Engine Controls - Tests W/Codes

• Introduction
• Self-Diagnostic System
  • Hard Failures
  • Intermittent Failures
  • Retrieving DTC(S)
  • Clearing DTC(S)
  • ECM Location
  • Engine Diagnostic Trouble Code (DTC) Definition
• Summary
• Circuit Tests
  • Notes
  • DTC P0101 (QA_R): Mass Airflow (MAF) Sensor Circuit Range/Performance Problem
    • Condition
    • Diagnosis & Repair Procedure
  • DTC P0102 (QA_Low): Mass Airflow (MAF) Sensor Circuit Low Input
  • DTC P0103 (QA_Hi): Mass Airflow (MAF) Sensor Circuit High Input
  • DTC P0106 (P_R): Pressure Sensor Circuit Range/Performance Problem
  • DTC P0107 (P_Slow): Pressure Sensor Circuit Low Input
  • DTC P0108 (P_SHI): Pressure Sensor Circuit High Input
  • DTC P0116 (TW_Low): ECT Sensor Circuit Low Input
  • DTC P0117 (TW_High): ECT Sensor Circuit High Input
  • DTC P0120 (THV): Throttle Position (TP) Sensor Circuit Malfunction
  • DTC P0121 (Th_R): Throttle Position (TP) Sensor Circuit Range/Performance Problem
  • DTC P0122 (THV_Low): TP Sensor Circuit Low Input
  • DTC P0123 (THV_Hi): TP Sensor Circuit Low Input
  • DTC P0125 (TW_Cl): Insufficient Engine Coolant Temp. For Closed Loop Fuel Control
  • DTC P0130 (FO2_V): Front O2S Circuit Malfunction
  • DTC P0133 (FO2_R): Front O2S Circuit Slow Response
  • DTC P0135 (FO2H): Front O2S Heater Circuit Malfunction
  • DTC P0136 (RO2_V): Rear O2S Circuit Malfunction
  • DTC P0139 (RO2_R): Rear O2S Circuit Slow Response
  • DTC P0141 (RO2_H): Rear O2S Heater Circuit Malfunction
  • DTC P0170 (Fuel): Fuel Trim Malfunction
  • DTC P0181 (TNKT-F): Fuel Temperature Sensor "A" Circuit Range/Performance
  • DTC P0182 (TNKT_Low): Fuel Temperature Sensor "A" Circuit Low Input
  • DTC P0183 (TNKT_Hi): Fuel Temperature Sensor "A" Circuit High Input
  • DTC P0261 (INJ1), DTC P0264 (INJ2), DTC P0267 (INJ3), DTC P0270 (INJ4): Fuel Injector Circuit Low Input
  • DTC P0262 (INJ1), DTC P0265 (INJ2), DTC P0268 (INJ3), DTC P0271 (INJ4): Fuel Injector Circuit High Input
  • DTC P0301 (CYL1), DTC P0302 (CYL2), DTC P0303 (CYL3), DTC P0304 (CYL4): Cylinder Misfire Detected
  • DTC P0325 (Knock): Knock Sensor 1 (KS) Circuit Malfunction
  • DTC P0335 (Crank): Crankshaft Position (CKP) Sensor Circuit Malfunction
  • DTC P0336 (Crank_R): Crankshaft Position (CKP) Sensor Range/Performance Problem
  • DTC P0340 (Cam): Camshaft Position (CMP) Sensor Circuit Malfunction
  • DTC P0341 (Cam_R): Camshaft Position (CMP) Sensor Range/Performance Problem
  • DTC P0385 (Crank 2): Crankshaft Position (CKP) Sensor 2 Circuit Malfunction
  • DTC P0400 (EGR): EGR Flow Malfunction
  • Confirmation Of Actual Driving Pattern
    • "a"
    • "b"
    • "c"
    • "d"
    • "e"
    • "f"
  • DTC P0403 (ERGSOL): EGR Circuit Malfunction
  • DTC P0420 (Cat): Catalyst System Efficiency Below Threshold
  • DTC P0440 (EVAP): EVAP Emission Control System
  • DTC P0441 (CPC_F): EVAP Emission Control System Incorrect Purge Flow
  • DTC P0443 (CPC): EVAP Emission Control System Purge Control Valve Circuit Low Input
  • DTC P0446 (VCMSOL_Lo): EVAP Emission Control System Vent Control Low Input
  • DTC P0451 (TNKP_F): EVAP Emission Control System Pressure Sensor Range/Performance
  • DTC P0452 (TNKP_Low): EVAP Emission Control System Pressure Sensor Low Input
  • DTC P0453(TNKP_Hi): EVAP Emission Control System Pressure Sensor High Input
  • DTC P0461 (FLVL_R): Fuel Level Sensor Circuit Range/Performance Problem
  • DTC P0462 (FLVL_Low) : Fuel Level Sensor Circuit Low Input
  • DTC P0463 (FLVL_Hi): Fuel Level Sensor Circuit High Input
  • DTC P0500 (VSP): Vehicle Speed Sensor (VSS) Malfunction
  • DTC P0505 (ISC): Idle Control System Malfunction
  • DTC P0506 (ISC_RLOW): Idle Control System Rpm Lower Than Expected
  • DTC P0507 (ISC_RHI): Idle Control System Rpm Higher Than Expected
  • DTC P0600: Serial Communication Link Malfunction
  • DTC P0601 (Ram): Internal Control Module Memory Check Sum Error
  • DTC P1100 (St_SWOFF): Starter Switch Circuit Low Input
  • DTC P1101 (N_SWOFF): Neutral Position Switch Circuit Malfunction (A/T)
  • DTC P1101 (N_SW): Neutral Position Switch Circuit Malfunction (M/T)
  • DTC P1102 (BR): Pressure Sources Switching Solenoid Valve Circuit Low Input
  • DTC P1103 (TRQ): Engine Torque Control Signal Circuit Malfunction
  • DTC P1120 (St_SWON): Starter Switch Circuit High Input
  • DTC P1121 (N_SWON): Neutral Position Switch Circuit Low Input (A/T)
  • DTC P1122 (BR_Hi): Pressure Sources Switching Solenoid Valve Circuit High Input
  • DTC P1124 (TCS_Hi): Traction Control System (TCS) Circuit High Input
  • DTC P1141 (QA_RHI): Mass Air Flow Sensor Circuit Range/Performance Problem (High Input)
  • DTC P1142 (Th_RLOW): Throttle Position Sensor Circuit Range/Performance Problem (Low Input)
  • DTC P1143 (PS_RLOW): Pressure Sensor Circuit Range/Performance Problem (Low Input)
  • DTC P1144 (PS_RHI): Pressure Sensor Circuit Range/Performance Problem (High Input)
  • DTC P1300 (Crank2): Crankshaft Position (CKP) Sensor 2 Circuit Malfunction
  • DTC P1400 (PCVSOL_Lo): Fuel Tank Pressure Control Solenoid Valve Circuit Low Input
  • DTC P1420 (PCVSOL_Hi): Fuel Tank Pressure Control Solenoid Valve Circuit High Input
  • DTC P1421 (EGRSOL_Hi): Exhaust Gas RECIRCULATION Circuit High Input
  • DTC P1422 (CPC_Hi): EVAP Emission Control Valve Circuit High Input
  • DTC P1423 (VCMSOL_Hi): Evaporative Emission Control System Vent Control Circuit High Input
  • DTC P1440 (PCV_Flow): Fuel Tank Pressure Control System Function Problem Low Input
  • DTC P1441 (PCV_FHI): Fuel Tank Pressure Control System Function Problem High Input
  • DTC P1442 (FLVL_R2): Fuel Level Sensor Circuit Range/Performance Problem 2
  • DTC P1500 (Fan_1): Cooling Fan No. 1 Circuit Malfunction
  • DTC P1502 (Fan_F): Cooling Fan Function Problem
  • DTC P1507 (ISC_SHI): Idle Control System Malfunction (Fail-Safe)
  • DTC P1520 (Fan_1HI): Radiator Fan Relay 1 Circuit High Input
  • DTC P1540 (VSP_S): Vehicle Speed Sensor Malfunction