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SFI System - Diagnostics Expand All (for easy ctrl-f) Collapse All Precaution Definition Of Terms Part And System Name List Location System Diagram How To Proceed With Troubleshooting Customer Problem Analysis Check Check For Intermittent Problems Basic Inspection Registration List Of Disable A Monitor O2S Test Result Checking Monitor Status Readiness Monitor Drive Pattern Problem Symptoms Table Terminals Of ECM Diagnosis System DTC Check/Clear Check Mode Procedure Fail-Safe Chart Data List/Active Test Diagnostic Trouble Code Chart DTC P0010, P0020: Camshaft Position "A" Actuator Circuit (Bank 1)/(Bank 2) DTC P0011, P0012, P0021, P0022: Camshaft Position "A" -Timing Over-Advanced Or System Performance/Retarded (Bank 1)/(Bank2) DTC P0016, P0018: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)/(Bank 2 Sensor A) DTC P0031, P0032, P0051, P0052: Oxygen (A/F) Sensor Heater Control Circuit Low/High (Bank 1 Sensor 1)/(Bank 2 Sensor 1) DTC P0037, P0038, P0057, P0058: Oxygen Sensor Heater Control Circuit /(Bank 1 Sensor 2)/(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, 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 Correlation 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 P0136, P0137, P0138, P0156, P0157, P0158, Oxygen Sensor Circuit Malfunction/Low Voltage/High Voltage (Bank 1 Sensor 2)/(Bank 2 Sensor 2) DTC P0171 System Too Lean (Bank 1); DTC P0172 System Too Rich (Bank 1); DTC P0174 System Too Lean (Bank 2); DTC P0175 System Too Rich (Bank 2) DTC P0230 Fuel Pump Primary Circuit DTC P0300 Random/Multiple Cylinder Misfire Detected; DTC P0301 Cylinder 1 Misfire Detected; DTC P0302 Cylinder 2 Misfire Detected; DTC P0303 Cylinder 3 Misfire Detected; DTC P0304 Cylinder 4 Misfire Detected; DTC P0305 Cylinder 5 Misfire Detected; DTC P0306 Cylinder 6 Misfire Detected; DTC P0307 Cylinder 7 Misfire Detected; DTC P0308 Cylinder 8 Misfire Detected DTC P0325 Knock Sensor 1 Circuit (Bank 1 Or Single Sensor); DTC P0327 Knock Sensor 1 Circuit Low Input (Bank 1 Or Single Sensor); DTC P0328 Knock Sensor 1 Circuit High Input (Bank 1 Or Single Sensor); DTC P0330 Knock Sensor 2 Circuit (Bank 2); DTC P0332 Knock Sensor 2 Circuit Low Input (Bank 2); DTC P0333 Knock Sensor 2 Circuit High Input (Bank 2) DTC P0335 Crankshaft Position Sensor "A" Circuit; DTC P0339 Crankshaft Position Sensor "A" Circuit Intermittent DTC P0340 Camshaft Position Sensor "A" Circuit (Bank 1 Or Single Sensor); DTC P0341 Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 Or Single Sensor); DTC P0345 Camshaft Position Sensor "A" Circuit (Bank 2); DTC P0346 Camshaft Position Sensor "A" Circuit Range/Performance (Bank 2) DTC P0351 Ignition Coil "A" Primary/Secondary Circuit; DTC P0352 Ignition Coil "B" Primary/Secondary Circuit; DTC P0353 Ignition Coil "C" Primary/Secondary Circuit; DTC P0354 Ignition Coil "D" Primary/Secondary Circuit; DTC P0355 Ignition Coil "E" Primary/Secondary Circuit; DTC P0356 Ignition Coil "F" Primary/Secondary Circuit; DTC P0357 Ignition Coil "G" Primary/Secondary Circuit; DTC P0358 Ignition Coil "H" Primary/Secondary Circuit DTC P0412 Secondary Air Injection System Switching Valve "A" Circuit DTC P0418 Secondary Air Injection System Relay "A" Circuit DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1); DTC P0430 Catalyst System Efficiency Below Threshold (Bank 2) DTC P043E Evaporative Emission System Reference Orifice Clog Up; DTC P043F Evaporative Emission System Reference Orifice High Flow DTC P0441 Evaporative Emission Control System Incorrect Purge Flow DTC P0450 Evaporative Emission Control System Pressure Sensor Malfunction; DTC P0451 Evaporative Emission Control System Pressure Sensor Range/Performance; DTC P0452 Evaporative Emission Control System Pressure Sensor/Switch Low Input; DTC P0453 Evaporative Emission Control System Pressure Sensor/Switch High Input DTC P0455 Evaporative Emission Control System Leak Detected (Gross Leak); DTC P0456 Evaporative Emission Control System Leak Detected (Very Small Leak) DTC P0500 Vehicle Speed Sensor "A"; DTC P0503 Vehicle Speed Sensor "A" Intermittent/Erratic/High DTC P0504 Brake Switch "A"/"B" Correlation DTC P0505 Idle Air Control System DTC P050A Cold Start Idle Air Control System Performance DTC P0560 System Voltage DTC P0604 Internal Control Module Random Access Memory (Ram) Error; DTC P0606 ECM/Pcm Processor; DTC P0607 Control Module Performance; DTC P0657 Actuator Supply Voltage Circuit/Open DTC P0617 Starter Relay Circuit High DTC P0630 VIN Not Programmed Or Mismatch - ECM/Pcm DTC P1340 Camshaft Position Sensor "A" (Bank 1 Sensor 2); DTC P1341 Camshaft Position Sensor "A" (Bank 1 Sensor 2) DTC P1440 Secondary Air Injection System Control Valve Circuit Bank 1; DTC P1443 Secondary Air Injection System Control Valve Circuit Bank 2 DTC P1441 Secondary Air Injection System Switching Valve No. 2 Bank 1 Stuck Open; DTC P1444 Secondary Air Injection System Switching Valve No. 2 Bank 2 Stuck Open; DTC P2440 Secondary Air Injection System Switching Valve Stuck Open Bank 1 DTC P1442 Secondary Air Injection System Switching Valve No. 2 Bank 1 Stuck Close; DTC P1445 Secondary Air Injection System Switching Valve No. 2 Bank 2 Stuck Close; DTC P2441 Secondary Air Injection System Switching Valve Stuck Close Bank1 DTC P1613 Secondary Air Injection System Driver DTC P2102 Throttle Actuator Control Motor Circuit Low; DTC P2103 Throttle Actuator Control Motor Circuit High DTC P2111 Throttle Actuator Control System - Stuck Open; DTC P2112 Throttle Actuator Control System - Stuck Closed DTC P2118 Throttle Actuator Control Motor Current Range/Performance DTC P2119 Throttle Actuator Control Throttle Body Range/Performance DTC P2120 Throttle/Pedal Position Sensor/Switch "D" Circuit; DTC P2122 Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input; DTC P2123 Throttle/Pedal Position Sensor/Switch "D" Circuit High Input; DTC P2125 Throttle/Pedal Position Sensor/Switch "E" Circuit; DTC P2127 Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input; DTC P2128 Throttle/Pedal Position Sensor/Switch "E" Circuit High Input; DTC P2138 Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation DTC P2121 Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance DTC P2195 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1); DTC P2196 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1); DTC P2197 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 2 Sensor 1); DTC P2198 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 2 Sensor 1) DTC P2238 Oxygen Sensor Pumping Current Circuit Low (For A/F Sensor)(Bank 1 Sensor 1); DTC P2239 Oxygen Sensor Pumping Current Circuit High (For A/F Sensor)(Bank 1 Sensor 1); DTC P2241 Oxygen Sensor Pumping Current Circuit Low (For A/F Sensor)(Bank 2 Sensor 1); DTC P2242 Oxygen Sensor Pumping Current Circuit High (For A/F Sensor)(Bank 2 Sensor 1); DTC P2252 Oxygen Sensor Reference Ground Circuit Low (For A/F Sensor)(Bank 1 Sensor 1); DTC P2253 Oxygen Sensor Reference Ground Circuit High (For A/F Sensor)(Bank 1 Sensor 1); DTC P2255 Oxygen Sensor Reference Ground Circuit Low (For A/F Sensor)(Bank 2 Sensor 1); DTC P2256 Oxygen Sensor Reference Ground Circuit High (For A/F Sensor)(Bank 2 Sensor 1) DTC P2401 Evaporative Emission System Leak Detection Pump Control Circuit Low; DTC P2402 Evaporative Emission System Leak Detection Pump Control Circuit High DTC P2419 Evaporate Emission System Switching Valve Control Circuit Low; DTC P2420 Evaporate Emission System Switching Valve Control Circuit High DTC P2430 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Bank1; DTC P2431 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance Bank1; DTC P2432 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low Bank1; DTC P2433 Secondary Air Injection System Air Flow/Pressure Sensor Circuit High Bank1 DTC P2444 Secondary Air Injection System Pump Stuck On Bank1; DTC P2445 Secondary Air Injection System Pump Stuck Off Bank1 DTC P2610 ECM/Pcm Internal Engine Off Timer Performance DTC P2A00 A/F Sensor Circuit Slow Response (Bank 1 Sensor 1); DTC P2A03 A/F Sensor Circuit Slow Response (Bank 2 Sensor 1) EVAP Inspection Procedure ECM Power Source Circuit Cranking Holding Function Circuit Fuel Pump Control Circuit IACV Control Circuit Mil Circuit