Engine Control System Self Diagnostics - 4-Cylinder
- Introduction
- Self-Diagnostic System
- Testing Procedure
- System Overview
- Two-Trip Detection Logic
- Freeze Frame Data
- Malfunction Indicator Light Inspection
- Retrieving Diagnostic Trouble Codes
- Clearing Diagnostic Trouble Codes
- Engine Control Module Location
- Test Drive Confirmation
- Fail-Safe Mode Chart
- Intermittent Problem Check (Hand-Held Tester Only)
- Engine Operating Condition
- Basic Inspection
- Programming
- Scan Tool Problems
- Summary
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- DTC P0100: Mass Air Flow Circuit Malfunction
- DTC P0101: Mass Airflow Circuit Range/Performance Problem
- DTC P0110: Intake Air Temperature Circuit Malfunction
- DTC P0115: Engine Coolant Temperature Circuit Malfunction
- DTC P0116: Engine Coolant Temperature Circuit Range/Performance Problem
- DTC P0120: Throttle/Pedal Position Sensor/Switch "A" Circuit Malfunction
- DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0128: Thermostat Malfunction
- DTC P0136: Oxygen Sensor Circuit Malfunction (Bank No. 1 Sensor No. 2) & DTC P0156: Oxygen Sensor Circuit Malfunction (Bank No. 2 Sensor No. 2)
- DTC P0141: Oxygen Sensor Heater Circuit Malfunction (Bank No. 1 Sensor No. 2) & DTC P0161: Oxygen Sensor Heater Circuit Malfunction (Bank No. 2 Sensor No. 2)
- DTC P0171, DTC P0172, DTC P0174 & DTC P0175
- DTC P0300, DTC P0301, DTC P0302, DTC P0303 & DTC P0304
- DTC P0325: Knock Sensor No. 1 Circuit Malfunction (Bank No. 1)
- DTC P0335: Crankshaft Position Sensor "A" Circuit Malfunction
- DTC P0340: Camshaft Position Sensor Circuit Malfunction
- DTC P0420: Catalyst System Efficiency Below Threshold (Bank No. 1) & DTC P0430: Catalyst System Efficiency Below Threshold (Bank No. 2)
- DTC P0440: EVAP System Malfunction & DTC P0442: EVAP System Leak Detected (Small Leak)
- DTC P0441: EVAP System Incorrect Purge Flow & DTC P0446: EVAP System Vent Control Malfunction
- DTC P0450: EVAP System Pressure Sensor Malfunction & DTC P0451: EVAP System Pressure Sensor Range/Performance
- DTC P0500: Vehicle Speed Sensor Malfunction
- DTC P0505: Idle Control System Malfunction
- DTC P1130: A/F Sensor Circuit Range/Performance Malfunction (Bank No. 1 Sensor No. 1) & DTC P1150: A/F Sensor Circuit Range/Performance Malfunction (Bank No. 2 Sensor No. 1)
- DTC P1133: A/F Sensor Circuit Response Malfunction (Bank No. 1 Sensor No. 1) & DTC P1153: A/F Sensor Circuit Response Malfunction (Bank No. 2 Sensor No. 1)
- DTC P1135: A/F Sensor Heater Circuit Malfunction (Bank No. 1 Sensor No. 1) & DTC P1155: A/F Sensor Heater Circuit Malfunction (Bank No. 2 Sensor No. 1)
- DTC P1300, DTC P1305, DTC P1310 & DTC P1315
- DTC P1335: Crankshaft Position Sensor Circuit Malfunction (During Engine Running)
- DTC P1346: VVT Sensor/Camshaft Position Sensor Circuit Range/Performance Problem (Bank No. 1)
- DTC P1349: VVT System Malfunction (Bank No. 1)
- DTC P1520: Stop Light Switch Circuit Malfunction
- DTC P1600: ECM Batt Malfunction
- DTC P1645: Body Ecu Malfunction
- DTC P1656: OCV Circuit Malfunction (Bank No. 1)
- DTC P1780: Park/Neutral Position Switch Malfunction