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Home >> Toyota >> 2000 >> Corolla CE, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - Introduction >> Self-Diagnostic System >> Retrieving Diagnostic Trouble Codes >> CHECK Mode Code Retrieval (Toyota Hand-Held Tester Only)
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CHECK Mode Code Retrieval (Toyota Hand-Held Tester Only)

NOTE: If ignition switch is turned from ON to ACC or OFF position, all DTCs and freeze-frame data will be erased. DO NOT switch modes until all DTCs and freeze-frame data are recorded.
  1. Ensure vehicle battery is fully charged. Apply parking brake. Shift transmission/transaxle into Neutral (M/T) or Park (A/T). Turn A/C and all accessories off. Ensure throttle valve is fully closed. Turn ignition off. Connect scan tool to Data Link Connector (DLC) No. 3. Turn ignition on with engine off. Turn scan tool on.
  2. Switch scan tool from NORMAL mode to CHECK mode. CHECK mode is operational if MIL on instrument cluster flashes. Start engine. If no DTCs are present, MIL will turn off. Try to simulate conditions of driveability complaint described by customer.
  3. Record any DTCs and freeze-frame data displayed for system diagnosis. If driveability problem exists and no codes are present, go to TROUBLE SHOOTING - NO CODES article for diagnosis by symptom.
  4. If any DTCs are present, perform appropriate DTC test. See appropriate DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION table. For more information on freeze-frame data, see FREEZE-FRAME DATA  under INTRODUCTION. For information on 2-trip detection logic codes, see TWO-TRIP DETECTION LOGIC  under INTRODUCTION.
  5. After repairs for DTC have been completed, DTC must be cleared from ECM memory. See CLEARING DIAGNOSTIC TROUBLE CODES . Road test vehicle to ensure all symptoms and/or complaints have been repaired.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (AVALON)

DTC (1) Description
B2795 (2) Unmatched Key Code
B2796 (2) No Communication In Immobilizer System
B2797 (2) Communication Malfunction No. 1
P0100(3) Mass Airflow (MAF) Meter Circuit
P0101 Mass Airflow (MAF) Meter Circuit Range/Performance
P0110(3) Intake Air Temperature (IAT) Sensor Circuit
P0115(3) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(3) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control
P0128 Thermostat Malfunction
P0136 Heated Oxygen Sensor No. 2 Circuit
P0141(3) Heated Oxygen Sensor No. 2 Heater Circuit
P0171 System Too Lean
P0172 System Too Rich
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0305 Cylinder No. 5 Misfire Detected
P0306 Cylinder No. 6 Misfire Detected
P0325(3) Knock Sensor No. 1 Circuit
P0330(3) Knock Sensor No. 2 Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0420 Catalyst System Efficiency Below Threshold
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0442 Evaporative Emission Control System Leak Detected
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit
P0750 (4) Shift Solenoid Valve No. 1 Malfunction
P0753 (4) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (4) Shift Solenoid Valve No. 2 Malfunction
P0758 (4) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (4) Lock-Up Solenoid Malfunction
P0773 (4) Lock-Up Solenoid Circuit Electrical Malfunction
P1130 Air/Fuel Sensor Circuit Range/Performance
P1133 Air/Fuel Sensor Circuit Response
P1135(3) Air/Fuel Sensor Heater Circuit
P1150 Air/Fuel Sensor Circuit Range/Performance
P1153 Air/Fuel Sensor Circuit Response
P1155(3) Air/Fuel Sensor Heater Circuit
P1300(3) Ignitor No. 1 Circuit
P1305(3) Ignitor No. 2 Circuit
P1310(3) Ignitor No. 3 Circuit
P1315(3) Ignitor No. 4 Circuit
P1320(3) Ignitor No. 5 Circuit
P1325(3) Ignitor No. 6 Circuit
P1335(5) Crankshaft Position (CKP) Sensor Circuit
P1345 Variable Valve Timing (VVT) Sensor Circuit (Bank No. 1)
P1346 Variable Valve Timing (VVT) Circuit Range/Performance (Bank No. 1)
P1349 Variable Valve Timing (VVT) System Malfunction (Bank No. 1)
P1350 Variable Valve Timing (VVT) Sensor Circuit (Bank No. 2)
P1351 Variable Valve Timing (VVT) Circuit Range/Performance (Bank No. 2)
P1354 Variable Valve Timing (VVT) System Malfunction (Bank No. 2)
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1656 Oil Control Valve (OCV) Malfunction (Bank No. 1)
P1663 Oil Control Valve (OCV) Malfunction (Bank No. 2)
P1705 (4) Direct Clutch Speed Sensor Malfunction
P1765 (4) Shift Solenoid Valve SLN Malfunction
P1780 Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(3) If this code is set, ECM will enter fail-safe mode.
(4) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(5) MIL will not illuminate.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (CAMRY 4-CYLINDER - CNG)

DTC (1) Description
P0105(2) Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit
P0106 Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit Range/Performance
P0110(2) Intake Air Temperature (IAT) Sensor Circuit
P0115(2) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(2) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control
P0136 Heated Oxygen Sensor No. 2 Circuit
P0141(2) Heated Oxygen Sensor No. 2 Heater Circuit
P0171 System Too Lean
P0172 System Too Rich
P0180 Fuel Temperature Sensor "A" Circuit Malfunction
P0190 Fuel Rail Pressure Sensor Circuit Malfunction
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0400 Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit
P0750 (3) Shift Solenoid Valve No. 1 Malfunction
P0753 (3) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (3) Shift Solenoid Valve No. 2 Malfunction
P0758 (3) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (3) Lock-Up Solenoid Malfunction
P0773 (3) Lock-Up Solenoid Circuit Electrical Malfunction
P1130 Air/Fuel Sensor Circuit Range/Performance
P1135(2) Air/Fuel Sensor Heater Circuit
P1190 Fuel Pressure Regulator Malfunction
P1240(4) Fuel Rail Fuel Shutoff Valve Circuit Malfunction
P1245(4) Fuel Pressure Regulator Fuel Shutoff Valve Circuit Malfunction
P1300(2) Ignitor No. 1 Circuit
P1310(2) Ignitor No. 2 Circuit
P1335(4) Crankshaft Position (CKP) Sensor Circuit
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1780 Park/Neutral Position (PNP) Switch Circuit
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) If this code is set, ECM will enter fail-safe mode.
(3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4) MIL will not illuminate.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (CAMRY 4-CYLINDER - GASOLINE)

DTC (1) Description
B2795 (2) Unmatched Key Code
B2796 (2) No Communication In Immobilizer System
B2797 (2) Communication Malfunction No. 1
B2798 (2) Communication Malfunction No. 2
P0105(3) Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit
P0106 Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit Range/Performance
P0110(3) Intake Air Temperature (IAT) Sensor Circuit
P0115(3) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(3) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130 Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133 Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135(3) Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136 Heated Oxygen Sensor No. 2 Circuit
P0141(3) Heated Oxygen Sensor No. 2 Heater Circuit
P0171 System Too Lean (Except Calif. Emissions)
P0171 System Too Lean (Calif. Emissions)
P0172 System Too Rich (Except Calif. Emissions)
P0172 System Too Rich (Calif. Emissions)
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0325(3) Knock Sensor Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0401 Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0402 Excessive Exhaust Gas Recirculation (EGR) Flow Detected
P0420 Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420 Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0442 Evaporative Emission Control System Leak Detected
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit (Except Calif. Emissions)
P0505 Idle Air Control (IAC) System Circuit (Calif. Emissions)
P0750 (4) Shift Solenoid Valve No. 1 Malfunction
P0753 (4) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (4) Shift Solenoid Valve No. 2 Malfunction
P0758 (4) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (4) Lock-Up Solenoid Malfunction
P0773 (4) Lock-Up Solenoid Circuit Electrical Malfunction
P1130 Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133 Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135(3) Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300(3) Ignitor No. 1 Circuit
P1310(3) Ignitor No. 2 Circuit
P1335(5) Crankshaft Position (CKP) Sensor Circuit
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1780 Park/Neutral Position (PNP) Switch Circuit
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(3) If this code is set, ECM will enter fail-safe mode.
(4) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(5) MIL will not illuminate.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (CAMRY V6)

DTC (1) Description
B2795 (2) Unmatched Key Code
B2796 (2) No Communication In Immobilizer System
B2797 (2) Communication Malfunction No. 1
B2798 (2) Communication Malfunction No. 2
P0100(3) Mass Airflow (MAF) Meter Circuit
P0101 Mass Airflow (MAF) Meter Circuit Range/Performance
P0110(3) Intake Air Temperature (IAT) Sensor Circuit
P0115(3) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(3) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0128 Thermostat Malfunction
P0130(4) Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133(4) Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135(3)(4) Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136(5) Heated Oxygen Sensor No. 2 Circuit
P0141(3)(5) Heated Oxygen Sensor No. 2 Heater Circuit
P0150(6) Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0153(6) Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0155(3)(6) Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0171 System Too Lean (Except Calif. Emissions)
P0171 System Too Lean (Calif. Emissions)
P0172 System Too Rich (Except Calif. Emissions)
P0172 System Too Rich (Calif. Emissions)
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0305 Cylinder No. 5 Misfire Detected
P0306 Cylinder No. 6 Misfire Detected
P0325(3) Knock Sensor No. 1 Circuit
P0330(3) Knock Sensor No. 2 Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0401 Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0402 Excessive Exhaust Gas Recirculation (EGR) Flow Detected
P0420 Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420 Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0442 Evaporative Emission Control System Small Leak Detected (A/T)
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit
P0750 (7) Shift Solenoid Valve No. 1 Malfunction
P0753 (7) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (7) Shift Solenoid Valve No. 2 Malfunction
P0758 (7) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (7) Lock-Up Solenoid Malfunction
P0773 (7) Lock-Up Solenoid Circuit Electrical Malfunction
P1130(4) Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133(4) Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135(4) Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1150(6) Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1153(6) Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1155(6) Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300(3) Ignitor Circuit
P1335(8) Crankshaft Position (CKP) Sensor Circuit
P1410 EGR Valve Position Sensor Circuit
P1411 EGR Valve Position Sensor Circuit Range/Performance
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1705 (7) Direct Clutch Speed Sensor Malfunction
P1765 (7) Shift Solenoid Valve SLN Malfunction
P1780 Park/Neutral Position (PNP) Switch Circuit
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(3) If this code is set, ECM will enter fail-safe mode.
(4) This code applies to bank No. 1, sensor No. 1.
(5) This code applies to bank No. 1, sensor No. 2.
(6) This code applies to bank No. 2, sensor No. 1.
(7) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(8) MIL will not illuminate.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (CAMRY SOLARA 4-CYLINDER)

DTC (1) Description
B2795 (2) Unmatched Key Code
B2796 (2) No Communication In Immobilizer System
B2797 (2) Communication Malfunction No. 1
B2798 (2) Communication Malfunction No. 2
P0105(3) Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit
P0106 Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit Range/Performance
P0110(3) Intake Air Temperature (IAT) Sensor Circuit
P0115(3) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(3) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130 Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133 Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135(3) Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136 Heated Oxygen Sensor No. 2 Circuit
P0141(3) Heated Oxygen Sensor No. 2 Heater Circuit
P0171 System Too Lean (Except Calif. Emissions)
P0171 System Too Lean (Calif. Emissions)
P0172 System Too Rich (Except Calif. Emissions)
P0172 System Too Rich (Calif. Emissions)
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0325(3) Knock Sensor Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0401 Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0402 Excessive Exhaust Gas Recirculation (EGR) Flow Detected
P0420 Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420 Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0442 Evaporative Emission Control System Leak Detected
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit (Except Calif. Emissions)
P0505 Idle Air Control (IAC) System Circuit (Calif. Emissions)
P0750 (4) Shift Solenoid Valve No. 1 Malfunction
P0753 (4) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (4) Shift Solenoid Valve No. 2 Malfunction
P0758 (4) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (4) Lock-Up Solenoid Malfunction
P0773 (4) Lock-Up Solenoid Circuit Electrical Malfunction
P1130 Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133 Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135(3) Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300(3) Ignitor No. 1 Circuit
P1310(3) Ignitor No. 2 Circuit
P1335(5) Crankshaft Position (CKP) Sensor Circuit
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1780 Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(3) If this code is set, ECM will enter fail-safe mode.
(4) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(5) MIL will not illuminate.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (CAMRY SOLARA V6)

DTC (1) Description
B2785 (2) Ignition Switch On Malfunction
B2786 (2) Ignition Switch Off Malfunction
B2791 (2) Key Unlock Warning Switch Off Malfunction
B2795 (2) Unmatched Key Code
B2796 (2) No Communication In Immobilizer System
B2797 (2) Communication Malfunction No. 1
B2798 (2) Communication Malfunction No. 2
P0100(3) Mass Airflow (MAF) Meter Circuit
P0101 Mass Airflow (MAF) Meter Circuit Range/Performance
P0110(3) Intake Air Temperature (IAT) Sensor Circuit
P0115(3) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(3) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0128 Thermostat Malfunction
P0130(4) Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133(4) Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135(3)(4) Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136(5) Heated Oxygen Sensor No. 2 Circuit
P0141(3)(5) Heated Oxygen Sensor No. 2 Heater Circuit
P0150(6) Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0153(6) Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0155(3)(6) Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0171 System Too Lean (Except Calif. Emissions)
P0171 System Too Lean (Calif. Emissions)
P0172 System Too Rich (Except Calif. Emissions)
P0172 System Too Rich (Calif. Emissions)
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0305 Cylinder No. 5 Misfire Detected
P0306 Cylinder No. 6 Misfire Detected
P0325(3) Knock Sensor No. 1 Circuit
P0330(3) Knock Sensor No. 2 Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0401 Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0402 Excessive Exhaust Gas Recirculation (EGR) Flow Detected
P0420 Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420 Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0442 Evaporative Emission Control System Leak Detected
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit
P0750 (7) Shift Solenoid Valve No. 1 Malfunction
P0753 (7) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (7) Shift Solenoid Valve No. 2 Malfunction
P0758 (7) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (7) Lock-Up Solenoid Malfunction
P0773 (7) Lock-Up Solenoid Circuit Electrical Malfunction
P1130(4) Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133(4) Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135(3)(4) Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1150(6) Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1153(6) Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1155(3)(6) Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300(3) Ignitor Circuit
P1335(8) Crankshaft Position (CKP) Sensor Circuit
P1410 EGR Valve Position Sensor Circuit
P1411 EGR Valve Position Sensor Circuit Range/Performance
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1705 (7) Direct Clutch Speed Sensor Malfunction
P1765 (7) Shift Solenoid Valve SLN Malfunction
P1780 Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(3) If this code is set, ECM will enter fail-safe mode.
(4) This code applies to bank No. 1, sensor No. 1.
(5) This code applies to bank No. 1, sensor No. 2.
(6) This code applies to bank No. 2, sensor No. 1.
(7) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(8) MIL will not illuminate.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (CELICA)

DTC (1) Description
P0100(2) Mass Airflow (MAF) Meter Circuit
P0101 Mass Airflow (MAF) Meter Circuit Range/Performance
P0110(2) Intake Air Temperature (IAT) Sensor Circuit
P0115(2) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(2) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control
P0130 Heated Oxygen Sensor No. 1 Circuit
P0133 Heated Oxygen Sensor No. 1 Circuit Slow Response
P0135 Heated Oxygen Sensor No. 1 Heater Circuit
P0136 Heated Oxygen Sensor No. 2 Circuit
P0141 Heated Oxygen Sensor No. 2 Heater Circuit
P0171 System Too Lean
P0172 System Too Rich
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0325(2) Knock Sensor Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0420 Catalyst System Efficiency Below Threshold
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit
P0710 (3) Transmission Fluid Temperature Sensor Malfunction
P0750 (3) Shift Solenoid Valve SL1 Malfunction
P0753 (3) Shift Solenoid Valve SL1 Electrical Malfunction
P0755 (3) Shift Solenoid Valve SL2 Malfunction
P0758 (3) Shift Solenoid Valve SL2 Electrical Malfunction
P0765 (3)(4) Shift Solenoid Valve S4 Malfunction
P0768 (3)(4) Shift Solenoid Valve S4 Electrical Malfunction
P0770 (3) Lock-Up Solenoid Malfunction
P0773 (3) Lock-Up Solenoid Circuit Electrical Malfunction
P1300(2) Ignitor No. 1 Circuit
P1305(2) Ignitor No. 2 Circuit
P1310(2) Ignitor No. 3 Circuit
P1315(2) Ignitor No. 4 Circuit
P1335 Crankshaft Position (CKP) Sensor Circuit
P1346 Variable Valve Timing (VVT) Circuit Range/Performance
P1349 Variable Valve Timing (VVT) System Malfunction
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1645 Body ECU Malfunction
P1656 VVT Oil Control Valve (OCV) Malfunction
P1690 VVL Oil Control Valve (OCV) Circuit Malfunction (2ZZ-GE Only)
P1692 VVL OCV Open/Closed Malfunction (2ZZ-GE Only)
P1693 VVL OCV Open/Closed Malfunction (2ZZ-GE Only)
P1725 (3) Input Turbine Speed Sensor Circuit Malfunction
P1730 (3)(4) Counter Gear Speed Sensor Circuit Malfunction
P1760 (3) Shift Solenoid Valve SLT Malfunction
P1790 (3)(5) ST Solenoid Valve Circuit Malfunction
P1780 Park/Neutral Position (PNP) Switch Circuit
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) If this code is set, ECM will enter fail-safe mode.
(3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4) Only applies to U240E transmission (2ZZ-GE engine).
(5) Only applies to U341E transmission (1ZZ-FE engine).
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (COROLLA)

DTC (1) Description
P0100(2) Mass Airflow (MAF) Meter Circuit
P0101 Mass Airflow (MAF) Meter Circuit Range/Performance
P0110(2) Intake Air Temperature (IAT) Sensor Circuit
P0115(2) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(2) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control
P0128 Thermostat Malfunction
P0130 Heated Oxygen Sensor No. 1 Circuit
P0133 Heated Oxygen Sensor No. 1 Circuit Slow Response
P0135(2) Heated Oxygen Sensor No. 1 Heater Circuit
P0136 Heated Oxygen Sensor No. 2 Circuit
P0141(2) Heated Oxygen Sensor No. 2 Heater Circuit
P0171 System Too Lean
P0172 System Too Rich
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0325(2) Knock Sensor Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0420 Catalyst System Efficiency Below Threshold
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit
P0750 (3) Shift Solenoid Valve No. 1 Malfunction
P0753 (3) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (3) Shift Solenoid Valve No. 2 Malfunction
P0758 (3) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (3) Lock-Up Solenoid Malfunction
P0773 (3) Lock-Up Solenoid Circuit Electrical Malfunction
P1300(2) Ignitor No. 1 Circuit
P1305(2) Ignitor No. 2 Circuit
P1310(2) Ignitor No. 3 Circuit
P1315(2) Ignitor No. 4 Circuit
P1335(4) Crankshaft Position (CKP) Sensor Circuit
P1346 Variable Valve Timing (VVT) Circuit Range/Performance
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1656 Oil Control Valve (OCV) Malfunction
P1780 Park/Neutral Position (PNP) Switch Circuit
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) If this code is set, ECM will enter fail-safe mode.
(3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4) MIL will not illuminate.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (ECHO)

DTC (1) Description
P0100(2) Mass Airflow (MAF) Meter Circuit
P0101 Mass Airflow (MAF) Meter Circuit Range/Performance
P0110(2) Intake Air Temperature (IAT) Sensor Circuit
P0115(2) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(2) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control
P0130 Heated Oxygen Sensor No. 1 Circuit
P0133 Heated Oxygen Sensor No. 1 Circuit Slow Response
P0135(2) Heated Oxygen Sensor No. 1 Heater Circuit
P0136 Heated Oxygen Sensor No. 2 Circuit
P0141(2) Heated Oxygen Sensor No. 2 Heater Circuit
P0171 System Too Lean
P0172 System Too Rich
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0325(2) Knock Sensor Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0420 Catalyst System Efficiency Below Threshold
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit
P0550 Power Steering Oil Pressure Sensor Circuit Malfunction
P0710 (3) Transmission Fluid Temperature Sensor Malfunction
P0750 (3) Shift Solenoid Valve SL1 Malfunction
P0753 (3) Shift Solenoid Valve SL1 Electrical Malfunction
P0755 (3) Shift Solenoid Valve SL2 Malfunction
P0758 (3) Shift Solenoid Valve SL2 Electrical Malfunction
P0770 (3) Lock-Up Solenoid Malfunction
P0773 (3) Lock-Up Solenoid Circuit Electrical Malfunction
P1300(2) Ignitor No. 1 Circuit
P1305(2) Ignitor No. 2 Circuit
P1310(2) Ignitor No. 3 Circuit
P1315(2) Ignitor No. 4 Circuit
P1345 VVT/Camshaft Position Sensor Circuit Malfunction
P1346 Variable Valve Timing (VVT) Sensor Circuit Range/Performance
P1349 Variable Valve Timing (VVT) System Malfunction
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1656 Oil Control Valve (OCV) Malfunction
P1725 (3) Input Turbine Speed Sensor Circuit Malfunction
P1760 (3) Shift Solenoid Valve SLT Malfunction
P1790 (3) ST Solenoid Valve Circuit Malfunction
P1780 Park/Neutral Position (PNP) Switch Circuit
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) If this code is set, ECM will enter fail-safe mode.
(3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (LAND CRUISER)

DTC (1) Description
B2785 (2) Ignition Switch On Malfunction
B2786 (2) Ignition Switch Off Malfunction
B2791 (2) Key Unlock Warning Switch Off Malfunction
B2795 (2) Unmatched Key Code
B2796 (2) No Communication In Immobilizer System
B2797 (2) Communication Malfunction No. 1
B2798 (2) Communication Malfunction No. 2
P0100(3) Mass Airflow (MAF) Meter Circuit
P0101 Mass Airflow (MAF) Meter Circuit Range/Performance
P0110(3) Intake Air Temperature (IAT) Sensor Circuit
P0115(3) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(3) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control
P0130 Heated Oxygen Sensor No. 1 Circuit (Bank No. 1)
P0133 Heated Oxygen Sensor No. 1 Circuit Slow Response (Bank No. 1)
P0135(3) Heated Oxygen Sensor No. 1 Heater Circuit (Bank No. 1)
P0136 Heated Oxygen Sensor No. 2 Circuit (Bank No. 1)
P0141(3) Heated Oxygen Sensor No. 2 Heater Circuit (Bank No. 1)
P0150 Heated Oxygen Sensor No. 1 Circuit (Bank No. 2)
P0153 Heated Oxygen Sensor No. 1 Circuit Slow Response (Bank No. 2)
P0155(3) Heated Oxygen Sensor No. 1 Heater Circuit (Bank No. 2)
P0156 Heated Oxygen Sensor No. 2 Circuit (Bank No. 2)
P0161(3) Heated Oxygen Sensor No. 2 Heater Circuit (Bank No. 2)
P0171 System Too Lean
P0172 System Too Rich
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0305 Cylinder No. 5 Misfire Detected
P0306 Cylinder No. 6 Misfire Detected
P0307 Cylinder No. 7 Misfire Detected
P0308 Cylinder No. 8 Misfire Detected
P0325(3) Knock Sensor No. 1 Circuit
P0330(3) Knock Sensor No. 2 Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0420 Catalyst System Efficiency Below Threshold (Bank No. 1)
P0430 Catalyst System Efficiency Below Threshold (Bank No. 2)
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit
P0710 (4) Transmission Fluid Temperature Sensor Malfunction
P0715 (4) Turbine Speed Sensor Malfunction
P0750 (4) Shift Solenoid Valve No. 1 Malfunction
P0753 (4) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (4) Shift Solenoid Valve No. 2 Malfunction
P0758 (4) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (4) Lock-Up Solenoid Malfunction
P0773 (4) Lock-Up Solenoid Circuit Electrical Malfunction
P1120 Accelerator Pedal Position (APP) Sensor Circuit
P1121 Accelerator Pedal Position (APP) Sensor Range/Performance
P1125 Throttle Control Motor Circuit
P1126 Magnetic Clutch Circuit
P1127 Electronic Throttle Control System Actuator Power Source Circuit
P1128 Throttle Control Motor Lock Circuit
P1129 Electronic Throttle Control System Circuit
P1200(5) Fuel Pump Relay/ECU Circuit
P1300(3) Ignitor No. 1 Circuit
P1305(3) Ignitor No. 2 Circuit
P1310(3) Ignitor No. 3 Circuit
P1315(3) Ignitor No. 4 Circuit
P1320(3) Ignitor No. 5 Circuit
P1325(3) Ignitor No. 6 Circuit
P1330(3) Ignitor No. 7 Circuit
P1335(5) Crankshaft Position (CKP) Sensor Circuit
P1340(3) Ignitor No. 8 Circuit
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1633 ECM Malfunction (Electronic Throttle Control System Circuit)
P1700 (4) Vehicle Speed Sensor No. 2 Malfunction
P1760 (4) Shift Solenoid Valve SLT Malfunction
P1780 Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(3) If this code is set, ECM will enter fail-safe mode.
(4) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(5) MIL will not illuminate.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (RAV4)

DTC (1) Description
P0105(2) Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit
P0106 Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit Range/Performance
P0110(2) Intake Air Temperature (IAT) Sensor Circuit
P0115(2) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(2) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130 Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133 Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135(2) Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136 Heated Oxygen Sensor No. 2 Circuit
P0141(2) Heated Oxygen Sensor No. 2 Heater Circuit
P0171 System Too Lean (Except Calif. Emissions)
P0171 System Too Lean (Calif. Emissions)
P0172 System Too Rich (Except Calif. Emissions)
P0172 System Too Rich (Calif. Emissions)
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0325(2) Knock Sensor Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0401 Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0402 Excessive Exhaust Gas Recirculation (EGR) Flow Detected
P0420 Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420 Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit
P0750 (3) Shift Solenoid Valve No. 1 Malfunction
P0753 (3) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (3) Shift Solenoid Valve No. 2 Malfunction
P0758 (3) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (3) Lock-Up Solenoid Malfunction
P0773 (3) Lock-Up Solenoid Circuit Electrical Malfunction
P1130 Air/Fuel Sensor Circuit Range/Performance Malfunction (Calif. Emissions)
P1133 Air/Fuel Sensor Circuit Response Malfunction (Calif. Emissions)
P1135 Air/Fuel Sensor Heater Circuit Malfunction (Calif. Emissions)
P1300(2) Ignitor No. 1 Circuit
P1310(2) Ignitor No. 2 Circuit
P1335(4) Crankshaft Position (CKP) Sensor Circuit
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1700 (3)(5) Vehicle Speed Sensor No. 2 Malfunction
P1715 (3)(5) Rear Wheel Speed Sensor Malfunction
P1760 (3)(5) Shift Solenoid Valve SLT Malfunction
P1775 (3)(5) Differential Lock Solenoid No. 1 Malfunction
P1780 Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) If this code is set, ECM will enter fail-safe mode.
(3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4) MIL will not illuminate.
(5) These codes only apply to models equipped with all-wheel drive.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (SIENNA)

DTC (1) Description
B2785 (2) Ignition Switch On Malfunction
B2786 (2) Ignition Switch Off Malfunction
B2791 (2) Key Unlock Warning Switch Off Malfunction
B2795 (2) Unmatched Key Code
B2796 (2) No Communication In Immobilizer System
B2797 (2) Communication Malfunction No. 1
B2798 (2) Communication Malfunction No. 2
P0100(3) Mass Airflow (MAF) Meter Circuit
P0101 Mass Airflow (MAF) Meter Circuit Range/Performance
P0110(3) Intake Air Temperature (IAT) Sensor Circuit
P0115(3) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(3) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130(4) Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133(4) Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135(3)(4) Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136(5) Heated Oxygen Sensor No. 2 Circuit
P0141(3)(5) Heated Oxygen Sensor No. 2 Heater Circuit
P0150(6) Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0153(6) Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0155(3)(6) Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0171 System Too Lean (Except Calif. Emissions)
P0171 System Too Lean (Calif. Emissions)
P0172 System Too Rich (Except Calif. Emissions)
P0172 System Too Rich (Calif. Emissions)
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0305 Cylinder No. 5 Misfire Detected
P0306 Cylinder No. 6 Misfire Detected
P0325(3) Knock Sensor No. 1 Circuit
P0330(3) Knock Sensor No. 2 Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0420 Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420 Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit
P0710 (7) Transmission Fluid Temperature Sensor Malfunction
P0750 (7) Shift Solenoid Valve No. 1 Malfunction
P0753 (7) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (7) Shift Solenoid Valve No. 2 Malfunction
P0758 (7) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (7) Lock-Up Solenoid Malfunction
P0773 (7) Lock-Up Solenoid Circuit Electrical Malfunction
P1130(4) Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133(4) Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135(4) Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1150(6) Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1153(6) Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1155(6) Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300(3) Ignitor Circuit
P1335(8) Crankshaft Position (CKP) Sensor Circuit
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1780 Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(3) If this code is set, ECM will enter fail-safe mode.
(4) This code applies to bank No. 1, sensor No. 1.
(5) This code applies to bank No. 1, sensor No. 2.
(6) This code applies to bank No. 2, sensor No. 1.
(7) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(8) MIL will not illuminate.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (TACOMA 4-CYLINDER)

DTC (1) Description
P0100(2) Mass Airflow (MAF) Meter Circuit
P0101 Mass Airflow (MAF) Meter Circuit Range/Performance
P0110(2) Intake Air Temperature (IAT) Sensor Circuit
P0115(2) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(2) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130 Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133 Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135(2) Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136 Heated Oxygen Sensor No. 2 Circuit
P0141(2) Heated Oxygen Sensor No. 2 Heater Circuit
P0171 System Too Lean (Except Calif. Emissions)
P0171 System Too Lean (Calif. Emissions)
P0172 System Too Rich (Except Calif. Emissions)
P0172 System Too Rich (Calif. Emissions)
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0325(2) Knock Sensor Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340(2) Camshaft Position (CMP) Sensor Circuit
P0401 Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0402 Excessive Exhaust Gas Recirculation (EGR) Flow Detected
P0420 Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420 Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit (Except Calif. Emissions)
P0505 Idle Air Control (IAC) System Circuit (Calif. Emissions)
P0710 (3) Transmission Fluid Temperature Sensor Malfunction
P0750 (3) Shift Solenoid Valve No. 1 Malfunction
P0753 (3) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (3) Shift Solenoid Valve No. 2 Malfunction
P0758 (3) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (3) Lock-Up Solenoid Malfunction
P0773 (3) Lock-Up Solenoid Circuit Electrical Malfunction
P1130 Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133 Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135 Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300 Ignitor No. 1 Circuit (Except Calif. Emissions)
P1300(2) Ignitor No. 1 Circuit (Calif. Emissions)
P1305(2) Ignitor No. 2 Circuit (Calif. Emissions)
P1310(2) Ignitor No. 2 Circuit (Except Calif. Emissions)
P1310(2) Ignitor No. 3 Circuit (Calif. Emissions)
P1315(2) Ignitor No. 4 Circuit (Calif. Emissions)
P1335(4) Crankshaft Position (CKP) Sensor Circuit
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1700 (3) Vehicle Speed Sensor No. 2 Malfunction
P1780 Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) If this code is set, ECM will enter fail-safe mode.
(3) These codes only apply to models with 2.7L engine with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4) MIL will not illuminate.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (TACOMA V6)

DTC (1) Description
P0100(2) Mass Airflow (MAF) Meter Circuit
P0101 Mass Airflow (MAF) Meter Circuit Range/Performance
P0110(2) Intake Air Temperature (IAT) Sensor Circuit
P0115(2) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(2) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130 Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133 Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135(2) Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136 Heated Oxygen Sensor No. 2 Circuit
P0141(2) Heated Oxygen Sensor No. 2 Heater Circuit
P0171 System Too Lean (Except Calif. Emissions)
P0171 System Too Lean (Calif. Emissions)
P0172 System Too Rich (Except Calif. Emissions)
P0172 System Too Rich (Calif. Emissions)
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0305 Cylinder No. 5 Misfire Detected
P0306 Cylinder No. 6 Misfire Detected
P0325(2) Knock Sensor No. 1 Circuit
P0330(2) Knock Sensor No. 2 Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340(2) Camshaft Position (CMP) Sensor Circuit
P0420 Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420 Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit
P0710 (3) Transmission Fluid Temperature Sensor Malfunction
P0750 (3) Shift Solenoid Valve No. 1 Malfunction
P0753 (3) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (3) Shift Solenoid Valve No. 2 Malfunction
P0758 (3) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (3) Lock-Up Solenoid Malfunction
P0773 (3) Lock-Up Solenoid Circuit Electrical Malfunction
P1130 Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133 Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135 Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300(2) Ignitor Circuit
P1335(4) Crankshaft Position (CKP) Sensor Circuit
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1700 (3) Vehicle Speed Sensor No. 2 Malfunction
P1780 Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) If this code is set, ECM will enter fail-safe mode.
(3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4) MIL will not illuminate.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (TUNDRA V6)

DTC (1) Description
P0100(2) Mass Airflow (MAF) Meter Circuit
P0101 Mass Airflow (MAF) Meter Circuit Range/Performance
P0110(2) Intake Air Temperature (IAT) Sensor Circuit
P0115(2) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(2) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130 Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133 Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135(2) Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136 Heated Oxygen Sensor No. 2 Circuit
P0141(2) Heated Oxygen Sensor No. 2 Heater Circuit
P0171 System Too Lean (Except Calif. Emissions)
P0171 System Too Lean (Calif. Emissions)
P0172 System Too Rich (Except Calif. Emissions)
P0172 System Too Rich (Calif. Emissions)
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0305 Cylinder No. 5 Misfire Detected
P0306 Cylinder No. 6 Misfire Detected
P0325(2) Knock Sensor No. 1 Circuit
P0330(2) Knock Sensor No. 2 Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0420 Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420 Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit
P0710 (3) Transmission Fluid Temperature Sensor Malfunction
P0715 (3) Turbine Speed Sensor Malfunction
P0750 (3) Shift Solenoid Valve No. 1 Malfunction
P0753 (3) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (3) Shift Solenoid Valve No. 2 Malfunction
P0758 (3) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (3) Lock-Up Solenoid Malfunction
P0773 (3) Lock-Up Solenoid Circuit Electrical Malfunction
P1130 Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133 Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135 Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300(2) Ignitor Circuit
P1335(4) Crankshaft Position (CKP) Sensor Circuit
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1700 (3) Vehicle Speed Sensor No. 2 Malfunction
P1760 (3) Shift Solenoid Valve SLT Malfunction
P1780 Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) If this code is set, ECM will enter fail-safe mode.
(3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4) MIL will not illuminate.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (TUNDRA V8)

DTC (1) Description
P0100(2) Mass Airflow (MAF) Meter Circuit
P0101 Mass Airflow (MAF) Meter Circuit Range/Performance
P0110(2) Intake Air Temperature (IAT) Sensor Circuit
P0115(2) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(2) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control
P0130 Heated Oxygen Sensor No. 1 Circuit (Bank No. 1)
P0133 Heated Oxygen Sensor No. 1 Circuit Slow Response (Bank No. 1)
P0135(2) Heated Oxygen Sensor No. 1 Heater Circuit (Bank No. 1)
P0136 Heated Oxygen Sensor No. 2 Circuit (Bank No. 1)
P0141(2) Heated Oxygen Sensor No. 2 Heater Circuit (Bank No. 1)
P0150 Heated Oxygen Sensor No. 1 Circuit (Bank No. 2)
P0153 Heated Oxygen Sensor No. 1 Circuit Slow Response (Bank No. 2)
P0155(2) Heated Oxygen Sensor No. 1 Heater Circuit (Bank No. 2)
P0156 Heated Oxygen Sensor No. 2 Circuit (Bank No. 2)
P0161(2) Heated Oxygen Sensor No. 2 Heater Circuit (Bank No. 2)
P0171 System Too Lean
P0172 System Too Rich
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0305 Cylinder No. 5 Misfire Detected
P0306 Cylinder No. 6 Misfire Detected
P0307 Cylinder No. 7 Misfire Detected
P0308 Cylinder No. 8 Misfire Detected
P0325(2) Knock Sensor No. 1 Circuit
P0330(2) Knock Sensor No. 2 Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0420 Catalyst System Efficiency Below Threshold
P0430 Catalyst System Efficiency Below Threshold
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit
P0710 (3) Transmission Fluid Temperature Sensor Malfunction
P0715 (3) Turbine Speed Sensor Malfunction
P0750 (3) Shift Solenoid Valve No. 1 Malfunction
P0753 (3) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (3) Shift Solenoid Valve No. 2 Malfunction
P0758 (3) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (3) Lock-Up Solenoid Malfunction
P0773 (3) Lock-Up Solenoid Circuit Electrical Malfunction
P1120 Accelerator Pedal Position (APP) Sensor Circuit
P1121 Accelerator Pedal Position (APP) Sensor Range/Performance
P1125 Throttle Control Motor Circuit
P1126 Magnetic Clutch Circuit
P1127 Electronic Throttle Control System Actuator Power Source Circuit
P1128 Throttle Control Motor Lock Circuit
P1129 Electronic Throttle Control System Circuit
P1200 Fuel Pump Relay Circuit
P1300(2) Ignitor Circuit Malfunction (No. 1)
P1305(2) Ignitor Circuit Malfunction (No. 2)
P1310(2) Ignitor Circuit Malfunction (No. 3)
P1315(2) Ignitor Circuit Malfunction (No. 4)
P1320(2) Ignitor Circuit Malfunction (No. 5)
P1325(2) Ignitor Circuit Malfunction (No. 6)
P1330(2) Ignitor Circuit Malfunction (No. 7)
P1335(4) Crankshaft Position (CKP) Sensor Circuit
P1340(2) Ignitor Circuit Malfunction (No. 8)
P1520 Stoplight Switch Signal Malfunction (A/T)
P1600 ECM BATT Malfunction
P1633 ECM Malfunction (Electronic Throttle Control System Circuit)
P1700 (3) Vehicle Speed Sensor No. 2 Malfunction
P1760 (3) Shift Solenoid Valve SLT Malfunction
P1780 Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) If this code is set, ECM will enter fail-safe mode.
(3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4) MIL will not illuminate.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (4RUNNER 4-CYLINDER)

DTC (1) Description
P0100(2) Mass Airflow (MAF) Meter Circuit
P0101 Mass Airflow (MAF) Meter Circuit Range/Performance
P0110(2) Intake Air Temperature (IAT) Sensor Circuit
P0115(2) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(2) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130 Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133 Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135(2) Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136 Heated Oxygen Sensor No. 2 Circuit
P0141(2) Heated Oxygen Sensor No. 2 Heater Circuit
P0171 System Too Lean (Except Calif. Emissions)
P0171 System Too Lean (Calif. Emissions)
P0172 System Too Rich (Except Calif. Emissions)
P0172 System Too Rich (Calif. Emissions)
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0325(2) Knock Sensor Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340(2) Camshaft Position (CMP) Sensor Circuit
P0401 Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0402 Excessive Exhaust Gas Recirculation (EGR) Flow Detected
P0420 Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420 Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Range/Performance
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit (Except Calif. Emissions)
P0505 Idle Air Control (IAC) System Circuit (Calif. Emissions)
P0710 (3) Transmission Fluid Temperature Sensor Malfunction
P0750 (3) Shift Solenoid Valve No. 1 Malfunction
P0753 (3) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (3) Shift Solenoid Valve No. 2 Malfunction
P0758 (3) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (3) Lock-Up Solenoid Malfunction
P0773 (3) Lock-Up Solenoid Circuit Electrical Malfunction
P1130 Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133 Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135 Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300(2) Ignitor No. 1 Circuit (Except Calif. Emissions)
P1300(2) Ignitor No. 1 Circuit (Calif. Emissions)
P1305(2) Ignitor No. 2 Circuit (Calif. Emissions)
P1310(2) Ignitor No. 2 Circuit (Except Calif. Emissions)
P1310(2) Ignitor No. 3 Circuit (Calif. Emissions)
P1315(2) Ignitor No. 4 Circuit (Calif. Emissions)
P1335(4) Crankshaft Position (CKP) Sensor Circuit
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1700 (3) Vehicle Speed Sensor No. 2 Malfunction
P1780 Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) If this code is set, ECM will enter fail-safe mode.
(3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4) MIL will not illuminate.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (4RUNNER V6)

DTC (1) Description
B2785 (2) Ignition Switch On Malfunction
B2786 (2) Ignition Switch Off Malfunction
B2791 (2) Key Unlock Warning Switch Off Malfunction
B2795 (2) Unmatched Key Code
B2796 (2) No Communication In Immobilizer System
B2797 (2) Communication Malfunction No. 1
B2798 (2) Communication Malfunction No. 2
P0100(3) Mass Airflow (MAF) Meter Circuit
P0101 Mass Airflow (MAF) Meter Circuit Range/Performance
P0110(3) Intake Air Temperature (IAT) Sensor Circuit
P0115(3) Engine Coolant Temperature (ECT) Sensor Circuit
P0116 Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120(3) Throttle Position (TP) Sensor Circuit
P0121 Throttle Position (TP) Sensor Circuit Range/Performance
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130 Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133 Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135(3) Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136 Heated Oxygen Sensor No. 2 Circuit
P0141(3) Heated Oxygen Sensor No. 2 Heater Circuit
P0171 System Too Lean (Except Calif. Emissions)
P0171 System Too Lean (Calif. Emissions)
P0172 System Too Rich (Except Calif. Emissions)
P0172 System Too Rich (Calif. Emissions)
P0300 Random Misfire Detected
P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0305 Cylinder No. 5 Misfire Detected
P0306 Cylinder No. 6 Misfire Detected
P0325(3) Knock Sensor No. 1 Circuit
P0330(3) Knock Sensor No. 2 Circuit
P0335 Crankshaft Position (CKP) Sensor Circuit
P0340 Camshaft Position (CMP) Sensor Circuit
P0420 Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420 Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440 Evaporative Emission Control System
P0441 Incorrect EVAP Purge Flow
P0446 EVAP Vent Control Circuit
P0450 EVAP Pressure Sensor Circuit
P0451 EVAP Pressure Sensor Range/Performance
P0500 Vehicle Speed Sensor Circuit
P0505 Idle Air Control (IAC) System Circuit
P0710 (4) Transmission Fluid Temperature Sensor Malfunction
P0750 (4) Shift Solenoid Valve No. 1 Malfunction
P0753 (4) Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (4) Shift Solenoid Valve No. 2 Malfunction
P0758 (4) Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (4) Lock-Up Solenoid Malfunction
P0773 (4) Lock-Up Solenoid Circuit Electrical Malfunction
P1130 Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133 Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135 Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300(3) Ignitor Circuit
P1335(5) Crankshaft Position (CKP) Sensor Circuit
P1520 Stoplight Switch Signal Circuit (A/T)
P1600 ECM BATT Circuit
P1700 (4) Vehicle Speed Sensor No. 2 Malfunction
P1780 Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see ENGINE IMMOBILIZER SYSTEMS - 4RUNNER article in ACCESSORIES & EQUIPMENT.
(3) If this code is set, ECM will enter fail-safe mode.
(4) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(5) MIL will not illuminate.
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