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Engine Performance System Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Test Equipment
- Drive Cycles
- Summary
- Diagnostic Trouble Code Definitions
- Connector Identification
- Diagnostic Circuit Check
- Diagnostic Tests
- DTC P0097: Intake Air Temperature Sensor 2 Circuit, Low Voltage
- DTC P0098: Intake Air Temperature Sensor 2 Circuit, High Voltage
- DTC P0107: Manifold Absolute Pressure Sensor Circuit, Low Voltage Input
- DTC P0108: Manifold Absolute Pressure Sensor Circuit, High Voltage Input
- DTC P0112: Intake Air Temperature Sensor Circuit, Low Voltage Input
- DTC P0113: Intake Air Temperature Sensor Circuit, High Voltage Input
- DTC P0116: Engine Coolant Temperature Sensor Circuit, Range/Performance Problem
- DTC P0117: Engine Coolant Temperature Sensor Circuit, Low Voltage
- DTC P0118: Engine Coolant Temperature Sensor Circuit, High Voltage Input
- DTC P0122: Throttle Position Sensor 1 Circuit, Low Voltage
- DTC P0123: Throttle Position Sensor Circuit, High Voltage
- DTC P0125: Engine Coolant Temperature Sensor, Slow Response
- DTC P0128: Cooling System Malfunction
- DTC P0133 Or DTC P0153
- DTC P0134 Or DTC P0154
- DTC P0135 Or DTC P0155
- DTC P0137 Or DTC P0157
- DTC P0138 Or DTC P0158
- DTC P0139 Or DTC P0159
- DTC P0141 Or DTC P0161
- DTC P0171, DTC P0172, DTC P0174 Or DTC P0175
- DTC P0201, DTC P0202, DTC P0203, DTC P0204, DTC P0205 Or DTC P0206
- DTC P0222: Throttle Position Sensor 2 Circuit, Low Voltage
- DTC P0223: Throttle Position Sensor 2, Circuit, High Voltage
- DTC P0300: Random Misfire & With DTC P0301-DTC P0306
- DTC P0301, DTC P0302, DTC P0303, DTC P0304, DTC P0305 Or DTC P0306
- DTC P0325: Knock Sensor Circuit Malfunction
- DTC P0335 Or DTC P0385
- DTC P0339 Or DTC P0389
- DTC P0340: Camshaft Position Sensor No Signal
- DTC P0344: Camshaft Position Sensor Intermittent Interruption
- DTC P0401: EGR System Insufficient Flow Detected
- DTC P0403: EGR Control Circuit Malfunction
- DTC P0404: EGR Control Circuit Range/Performance Problem
- DTC P0406: EGR Valve Position Sensor Circuit, High Voltage
- DTC P0420 Or DTC P0430
- DTC P0443: EVAP Canister Purge Valve Circuit Malfunction
- DTC P0451: Fuel Tank Pressure Sensor Circuit, Range/Performance Problem
- DTC P0452: Fuel Tank Pressure Sensor Circuit, Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor Circuit, High Voltage
- DTC P0455: Evaporative Emission Control System, Very Large Leak Detected
- DTC P0456: Evaporative Emission Control System, Very Small Leak Detected
- DTC P0457: Evaporative Emission Control System Leak Detected, Fuel Fill Cap Loose/Off
- DTC P0461: Fuel Level Sensor Range/Performance
- DTC P0462: Fuel Level Sensor Circuit, Low Voltage
- DTC P0463: Fuel Level Sensor Circuit, High Voltage
- DTC P0496: EVAP Canister System High Purge Flow
- DTC P0497: EVAP System Low Purge Flow
- DTC P0498: EVAP Canister Vent Shut Valve Control Circuit, Low Voltage
- DTC P0499: EVAP Canister Vent Shut Valve Control Circuit, High Voltage
- DTC P0506: Idle Control System Rpm Lower Than Expected
- DTC P0507: Idle Control System Rpm Higher Than Expected
- DTC P0563: Pcm Power Source Circuit, Unexpected Voltage
- DTC P0603: Pcm Internal Control Module Keep Alive Memory Error
- DTC P0606: Pcm Processor Malfunction
- DTC P0627: PGM-FI Main Relay 2 Circuit Malfunction (Fuel Pump)
- DTC P0641 Or DTC P0651
- DTC P0657: Air Fuel Ratio Sensor Relay Circuit Malfunction
- DTC P0685: Pcm Power Control Circuit Malfunction
- DTC P1077: Intake Manifold Runner Control Valve Stuck Short
- DTC P1078: Intake Manifold Runner Control Valve Stuck Long
- DTC P1128: Manifold Absolute Pressure Sensor Signal Lower Than Expected
- DTC P1129: Manifold Absolute Pressure Sensor Signal Higher Than Expected
- DTC P1297: Electrical Load Detector Circuit, Low Voltage
- DTC P1298: Electrical Load Detector Circuit, High Voltage
- DTC P1450: Two Way Valve Bypass Valve Control Circuit, Low Voltage
- DTC P1451: Two Way Valve Bypass Valve Control Circuit, High Voltage
- DTC P1454: Fuel Tank Pressure Sensor Range/Performance Problem
- DTC P1460: Fuel Level Sensor Power Supply Circuit
- DTC P1683: Throttle Valve Default Position Spring Performance Problem
- DTC P1684: Throttle Valve Return Spring Performance Problem
- DTC P2101: Throttle Actuator System Malfunction
- DTC P2108: Throttle Actuator Control Module Problem
- DTC P2118: Throttle Actuator Control Module Range/Performance Problem
- DTC P2122: Accelerator Pedal Position (App) Sensor 1 Circuit, Low Voltage
- DTC P2123: Accelerator Pedal Position (App) Sensor 1 Circuit, High Voltage
- DTC P2127: Accelerator Pedal Position (App) Sensor 2 Circuit, Low Voltage
- DTC P2128: Accelerator Pedal Position (App) Sensor 2 Circuit, High Voltage
- DTC P2135: Throttle Position Sensor 1 & 2, Incorrect Voltage Correlation
- DTC P2138: Accelerator Pedal Position (App) Sensor 1 & 2, Incorrect Voltage Correlation
- DTC P2176: Throttle Actuator Control System, Idle Position Not Learned
- DTC P2195 Or DTC P2197
- DTC P2199: Intake Air Temperature Sensor 1 & 2 Correlation
- DTC P2227: Barometric Pressure Sensor, Range/Performance Problem
- DTC P2228 Or DTC P2229
- DTC P2237 Or DTC P2240
- DTC P2238 Or DTC P2241
- DTC P2243 Or DTC P2247
- DTC P2245 Or DTC P2249
- DTC P2251 Or DTC P2254
- DTC P2252 Or DTC P2255
- DTC P2279: Intake Air System Leak
- DTC P2413: EGR System Malfunction
- DTC P2422: EVAP Canister Vent Shut Valve, Close Malfunction
- DTC P2552: Throttle Actuator Control Module Relay Malfunction
- DTC P2610: 24-Hour Timer Malfunction
- DTC P2627 Or DTC P2630
- DTC P2628 Or DTC P2631
- DTC P2A00 Or DTC P2A03
- DTC P2646: VTEC Oil Pressure Switch Circuit, Low Voltage
- DTC P2647: VTEC Oil Pressure Switch Circuit, High Voltage
- DTC P2648: VTEC Solenoid Valve Circuit, Low Voltage
- DTC P2649: VTEC Solenoid Valve Circuit, High Voltage
- DTC U0107: Lost Communication With Throttle Actuator Control Module
- Fuel Tank Vapor Control Valve Test
- Evaporative Emission 2-Way Valve Test
- VTEC Rocker Arm Test