Engine (3UZ-FE) - Diagnostics
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Pre-Check
- Registration
- Readiness Monitor Drive Pattern
- Problem Symptoms
- Terminals Of ECM
- Diagnostic Trouble Code Chart
- Parts Location
- Circuit Inspection
- DTC P0010, P0020: Camshaft Position "A" Actuator circuit (Bank 1)/(Bank 2)
- DTC P0011, P0012, P0021, P0022: Camshaft Position "A" -Timing Over-Actuator or System Performance (Bank 1)/(Bank 2), Camshaft Position "A" -Timing Over-Retarded (Bank 1)/(Bank 2)
- DTC P0016, P0018: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)/(Bank 2 Sensor A)
- DTC P0031, P0032, P0037, P0038, P0051, P0052, P0057, P0058: Oxygen Sensor Heater Control Circuit Low/High (Bank 1 Sensor 1)/(Bank 1 Sensor 2)/(Bank 2 Sensor 1)/(Bank 2 Sensor 2)
- DTC P0100, P0102, P0103: Mass or Volume Air Flow Circuit, Mass or Volume Air Flow Circuit Low/High Input
- DTC P0101: Mass or Volume Air Flow Circuit Range/Performance Problem
- DTC P0110, P0112, P0113: Intake Air Temperature Circuit DTC Intake Air Temperature Circuit Low/High Input
- DTC P0115, P0117, P0118: Engine Coolant Temperature Circuit, Engine Coolant Temperature Circuit Low/High Input
- DTC P0116: Engine Coolant Temperature Circuit Range/Performance Problem
- DTC P0120, P0122, P0123, P0220, P0222, P0223, P2135: Throttle Pedal Position Sensor/Switch "A" Circuit, Throttle Pedal Position Sensor/Switch "A" Circuit Low/High Input, Throttle/Pedal Position Sensor/Switch "B" Circuit, Throttle Pedal Position Sensor/Switch "B" Circuit Low/High Input, Throttle/Pedal Position Sensor/Switch "A"/"B" Voltage Correction
- DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem
- DTC P0125: Insufficient coolant temperature for closed loop fuel control
- DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
- DTC P0130, P0150, P2195, P2196, P2197, P2198: Oxygen Sensor Circuit (Bank 1 Sensor1)/(Bank 2 Sensor1), Oxygen Sensor Signal Stack Lean/Rich (Bank 1 Sensor 1)/(Bank 2 Sensor 1)
- DTC P0133, P0153: Oxygen Sensor Circuit Slow Response (Bank 1 Sensor1)/(Bank 2 Sensor1)
- DTC P0134, P0154: Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1)/(Bank 2 Sensor 1)
- DTC P0136, P0138, P0156, P0158: Oxygen Sensor Circuit Malfunction/High Voltage (Bank 1 Sensor 2)/(Bank 2 Sensor 2)
- DTC P0171, P0172, P0174, P0175: System too Lean/Rich (Bank 1)/(Bank 2)
- DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308: Random/Multiple Cylinder Misfire Detected, Cylinder 1/2/3/4/5/6/7/8 Misfire Detected
- DTC P0325, P0330: Knock Sensor 1 Circuit (Bank 1 or Single Sensor), Knock Sensor 2 Circuit Malfunction (Bank 2)
- DTC P0335, P0339: Crankshaft Position Sensor "A" Circuit, Crankshaft Position Sensor "A" Circuit Intermittent
- DTC P0340, P0341, P0345, P0346: Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor)/(Bank 2), Camshaft Position Sensor "A" Circuit Range/Performance (Single Sensor)/(Bank 2)
- DTC P0351, P0352, P0353, P0354, P0355, P0356, P0357, P0358: Igniter Coil "A"/"B"/"C"/"D"/"E"/"F"/"G"/"H" Primary/Secondary Circuit
- DTC P0420, P0430: Catalyst System Efficiency Below Threshold (Bank 1)/(Bank 2)
- DTC P0441, P0446, P2418: Evaporative Emission Control System Incorrect Purge Flow/Vent Control Circuit/Valve Control Circuit/Open
- DTC P0442, P0455, P0456: Evaporative Emission Control System Leak Detected (Small Leak)/(Gross Leak)/(Very Small Leak)
- DTC P0451, P0452, P0453: Evaporative Emission Control System Pressure Sensor/Switch Range/Performance, Evaporative Emission Control System Pressure Sensor/Switch Low/High Input
- DTC P0500, P0503: Vehicle Speed Sensor "A", Vehicle Speed Sensor "A" Intermittent/Erratic/High
- DTC P0504: Brake Switch "A"/"B" Correlation
- DTC P0505: Idle Air Control System
- DTC P0513: Incorrect Immobilizer Key
- DTC P0560: System Voltage
- DTC P0604, P0607, P0606, P0657: Internal Control Module Random Access Memory (RAM) Error, ECM/PCM Processor, Control Module Performance, Actuator Supply Voltage Circuit Open
- DTC P0617: Starter Relay Circuit High
- DTC P0630: Vin Not Programmed or Mismatch - ECM/PCM
- DTC P1340, P1341: Camshaft Position Sensor "A" (Bank Sensor 1)
- DTC P1645: Body ECU Malfunction
- DTC P2102, P2103: Throttle Actuator Control Motor Circuit Low/High
- DTC P2111, P2112: Throttle Actuator Control System -Stuck Open/Closed
- DTC P2118: Throttle Actuator Control Motor Current Range/Performance
- DTC P2119: Throttle Actuator Control Throttle Body Range/Performance
- DTC P2120, P2122, P2123, P2125, P2127, P2128, P2138: Throttle/Pedal Position Sensor/Switch "D" Circuit, Throttle/Pedal Position Sensor/Switch "D" Circuit Low/High Input, Throttle/Pedal Position Sensor/Switch "E" Circuit, Throttle/Pedal Position Sensor/Switch "E" Circuit Low/High Input, Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation
- DTC P2121: Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance
- ECM Power Source Circuit
- Fuel Pump Control Circuit
- IACV Control Circuit
- MIL Circuit Malfunction
- TC Terminal Circuit