Section 16 (Engine Control System Self-Diagnostics)
WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Service Precautions
- Self-Diagnostic System
- Programming
- Scan Tool Problems
- Inspection Mode
- Summary
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- DTC P0100: Mass Airflow Meter Circuit
- DTC P0101: Mass Airflow Meter Circuit Range/Performance
- DTC P0110: Intake Air Temperature Sensor Circuit
- DTC P0115: Engine Coolant Temperature Sensor Circuit
- DTC P0116: Engine Coolant Temperature Sensor Circuit Range/Performance
- DTC P0120: Throttle/Pedal Position Sensor/Switch Circuit
- DTC P0121: Throttle/Pedal Position Sensor/Switch Circuit Range/Performance
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0128: Thermostat Malfunction
- DTC P0130: Heated Oxygen Sensor No. 1 Circuit
- DTC P0133: Heated Oxygen Sensor No. 1 Circuit Slow Response
- DTC P0135: Heated Oxygen Sensor No. 1 Heater Circuit
- DTC P0136: Heated Oxygen Sensor No. 2 Circuit
- DTC P0141: Heated Oxygen Sensor No. 2 Heater Circuit
- DTC P0171: System Too Lean, Or DTC P0172: System Too Rich
- DTC P0300: Random/Multiple Cylinder Misfire Detected
- DTC P0301: Cylinder No. 1 Misfire Detected, DTC P0302: Cylinder No. 2 Misfire Detected, DTC P0303: Cylinder No. 3 Misfire Detected &/Or DTC P0304: Cylinder No. 4 Misfire Detected
- DTC P0325: Knock Sensor Circuit
- DTC P0335: Crankshaft Position Sensor Circuit
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0420: Catalyst System Efficiency Below Threshold
- DTC P0440: Evaporative Emission Control System
- DTC P0441: Incorrect EVAP Purge Flow, Or DTC P0446: EVAP Vent Control Malfunction
- DTC P0450: EVAP Pressure Sensor Circuit, Or DTC P0451: EVAP Pressure Sensor Range/Performance
- DTC P0500: Vehicle Speed Sensor Circuit
- DTC P0505: Idle Control System Malfunction
- DTC P1125: Throttle Control Motor Circuit
- DTC P1127: Electronic Throttle Control System Actuator Power Source Circuit
- DTC P1128: Throttle Control Motor Lock Malfunction
- DTC P1129: Electronic Throttle Control System Malfunction
- DTC P1300: IGNITOR No. 1 Circuit
- DTC P1305: IGNITOR No. 2 Circuit
- DTC P1310: IGNITOR No. 3 Circuit
- DTC P1315: IGNITOR No. 4 Circuit
- DTC P1346: Variable Valve Timing Sensor Circuit Range/Performance
- DTC P1349: Variable Valve Timing System Malfunction
- DTC P1430: Vacuum Sensor Circuit Malfunction
- DTC P1431: Vacuum Sensor Circuit Range/Performance
- DTC P1436: By-Pass Valve Malfunction
- DTC P1437: Vacuum Line Malfunction
- DTC P1455: Fuel Tank Leak Detected
- DTC P1525: Resolver Vehicle Malfunction
- DTC P1600: Engine Control Module Batt Circuit
- DTC P1633: Engine Control Module Malfunction (Electronic Throttle Control System Circuit)
- DTC P1636: HV Ecu Malfunction
- DTC P1637: ESTP Signal Malfunction
- DTC P1656: Oil Control Valve Circuit Malfunction
- DTC P3190: Poor Engine Power, Or DTC P3191: Engine Does Not Start