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 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 Input
- DTC P0118: Engine Coolant Temperature Sensor Circuit High Voltage Input
- DTC P0122: Throttle Position Sensor Circuit Low Voltage Input
- DTC P0123: Throttle Position Sensor Circuit High Voltage Input
- DTC P0128 Or DTC P1486
- DTC P0131: Primary Heated Oxygen Sensor Circuit Low Voltage
- DTC P0132: Primary Heated Oxygen Sensor Circuit High Voltage
- DTC P0133: Primary Heated Oxygen Sensor Slow Response
- DTC P0135 Or DTC P0141
- DTC P0137: Secondary Heated Oxygen Sensor Low Voltage
- DTC P0138: Secondary Heated Oxygen Sensor High Voltage
- DTC P0139: Secondary Heated Oxygen Sensor Slow Response
- DTC P0171 Or DTC P0172
- 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 P0336 (3.2CL & 3.2TL A/T Models Only)
- DTC P0335, DTC P0336, DTC P0385 Or DTC P0386 (3.2CL M/T Model Only)
- DTC P0340, DTC P0341, DTC P0365 Or DTC P0366 (3.2CL M/T Only)
- DTC P0401: EGR System Insufficient Flow Detected
- DTC P0420: Catalyst System Efficiency Below Threshold
- 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 P0505: Idle Control System Malfunction
- DTC P0715: MAINSHAFT Speed Sensor Circuit Malfunction (3.2CL M/T Model Only)
- DTC P0720: Countershaft Speed Sensor Circuit Malfunction (3.2CL M/T Model Only)
- DTC P1106: Barometric Pressure Sensor Range/Performance Problem
- DTC P1107 Or DTC P1108
- DTC P1121: Throttle Position Sensor Signal Lower Than Expected
- DTC P1122: Throttle Position Sensor Signal Higher Than Expected
- DTC P1128: Manifold Absolute Pressure Sensor Signal Lower Than Expected
- DTC P1129: Manifold Absolute Pressure Sensor Signal Higher Than Expected
- DTC P1259: Variable Valve Timing & Lift Electronic Control System Malfunction
- DTC P1297: Low Voltage Electrical Load Detector Circuit
- DTC P1298: High Voltage In Electrical Load Detector Circuit
- DTC P1361, DTC P1362, DTC P1366 Or DTC P1367 (3.2CL & 3.2TL A/T Only)
- DTC P1456: Evaporative Emission Control System Leak Detected (Fuel Tank System)
- Fuel Tank Vapor Control Valve Test
- DTC P1457: Evaporative Emission Control System Leak Detected (Canister System)
- Evaporative Emission 2-Way Valve Test
- DTC P1491: Exhaust Gas RECIRCULATION Valve Insufficient Lift Detected
- DTC P1498: EGR Valve Lift Sensor Voltage High
- DTC P1519: Idle Air Control Valve Circuit Malfunction
- DTC P1607: Powertrain Control Module Internal Circuit Malfunction
- DTC P1676: Frame-To-Powertrain Torque Down Request Signal Line Malfunction (A/T Models Only)
- DTC P1678: Frame-To-Powertrain Torque Down Request Signal Line Malfunction (A/T Models Only)