Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Summary
- DTC Definition
- System Tests
- Diagnostic Tests
- DTC P0106: Manifold Absolute Pressure Sensor Circuit Performance Problem
- DTC P0107: Map Sensor Circuit Low Input
- DTC P0108: Map Sensor Circuit High Input
- DTC P0111: Intake Air Temperature Circuit Range/Performance Problem
- DTC P0112: Intake Air Temperature Sensor Circuit Low Input
- DTC P0113: Intake Air Temperature Sensor Circuit High Input
- DTC P0116: Engine Coolant Temperature Circuit Range/Performance Problem
- DTC P0117: Engine Coolant Temperature Sensor Circuit Low Input
- DTC P0118: Engine Coolant Temperature Sensor Circuit High Input
- DTC P0121: Throttle Position Sensor Circuit Range/Performance Problem
- DTC P0122: THOTTLE Position Sensor Circuit Low Input
- DTC P0123: Throttle Position Sensor Circuit High Input
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Operation
- DTC P0131: Heated Oxygen Sensor No. 1 Circuit Low Input, Or DTC P0132: Heated Oxygen Sensor No. 1 Circuit High Input
- DTC P0133: Heated Oxygen Sensor No. 1 Circuit Slow Response
- DTC P0134: Heated Oxygen Sensor No. 1 Circuit No Activity Detected
- DTC P0135: Heated Oxygen Sensor No. 1 Heater Circuit Malfunction
- DTC P0136: Heated Oxygen Sensor No. 2 Circuit Malfunction
- DTC P0141: Heated Oxygen Sensor No. 2 Heater Circuit Malfunction
- DTC P0171: Total Fuel Trim Is Greater Than Allowed Specification, Or P0172: Total Fuel Trim Is Less Than Allowed Specification
- DTC P0300: Random Misfire Detected, Or P0301-P0304 Cylinders No. 1-4 Misfire Detected
- DTC P0335: Crankshaft Position Sensor Circuit Malfunction
- DTC P0340: Camshaft Position Sensor Circuit Malfunction
- DTC P0420: Catalyst System Efficiency Below Threshold
- DTC P0440: EVAP System Leak Detected (Gross Leak)
- DTC P0450: EVAP System Pressure Sensor Malfunction
- DTC P0451: EVAP System Pressure Sensor Performance
- DTC P0461: Poor Fuel Level Sensor Circuit Performance
- DTC P0463: Fuel Level Sensor (Gauge) Circuit High Input
- DTC P0480: Low Fan Control Relay Terminal Voltage With Low Coolant Temperature
- DTC P0500: Vehicle Speed Sensor (VSS) Malfunction (A/T)
- DTC P0500: Vehicle Speed Sensor (VSS) Malfunction (M/T)
- DTC P0505: Target Idle Speed Not Obtained
- DTC P0506: Idle Rpm Is Lower Than Expected, Or P0507: Idle Rpm Is Higher Than Expected
- DTC P0601: Data Write Error, Or, Or DTC P0603: EEPROM Memory Error
- DTC P1410: Low Voltage Signal With High Fuel Level Reading
- DTC P1450: Barometric Pressure Sensor, Low Or High Input
- DTC P1451: Barometric Pressure Sensor Performance Problem During Cranking
- DTC P1500: No Input Or Constant Input From Starter Signal Circuit
- DTC P1510: No Back-Up Power Supply After Engine Start