Section 109 (Engine Control System Self Diagnostics - 4-Cylinder)
WARNING: This page is about a different car, the 2003 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Scan Tool Problems
- Summary
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- DTC P0036: Oxygen Sensor Heater Control Circuit (Bank 1 Sensor 2)
- 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 &/Or DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0120: Throttle Pedal Position Sensor/Switch "A" Circuit
- DTC P0121: Throttle Pedal Position Sensor/Switch "A" Circuit Range/Performance
- DTC P0128: Thermostat Malfunction
- DTC P0134: Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
- DTC P0135: Oxygen Sensor Heater Circuit (Bank 1 Sensor 1)
- DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
- DTC P0171: System Too Lean &/Or DTC P0172: System Too Rich
- DTC P0300 &/Or DTC P0301, DTC P0302, DTC P0303 Or DTC P0304
- DTC P0325: Knock Sensor 1 Circuit Malfunction
- DTC P0335: Crankshaft Position Sensor "A" Circuit &/Or DTC P0339: Crankshaft Position Sensor "A" Circuit Intermittent
- DTC P0340: Camshaft Position Sensor "A" Circuit (Bank 1) &/Or DTC P0341: Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1)
- DTC P0351, DTC P0352, DTC P0353 &/Or DTC P0354
- DTC P0401: Insufficient Exhaust Gas RECIRCULATION Flow Detected
- DTC P0402: Excessive Exhaust Gas RECIRCULATION Flow Detected
- DTC P0420: Catalyst System Efficiency Below Threshold
- DTC P0441: EVAP Emission Control System Incorrect EVAP Purge Flow & DTC P0446: EVAP Emission Control System Vent Control Circuit
- DTC P0442: EVAP Emission Control System Leak Detected (Small Leak) & DTC P0456: EVAP Emission Control System Leak Detected (Very Small Leak)
- DTC P0450: EVAP Emission Control System Pressure Sensor Malfunction &/Or DTC P0451: EVAP Emission Control System Pressure Sensor Range/Performance
- DTC P0500: Vehicle Speed Sensor "A"
- DTC P0505: Idle Air Control System & DTC P0511: Idle Air Control Circuit
- DTC P0560: System Voltage
- DTC P0617: Starter Relay Circuit High
- DTC P0724: Brake Switch "B" Circuit High
- DTC P2195: Oxygen (A/F) Sensor Circuit Stuck Lean (Bank 1 Sensor 1) & DTC P2196: Oxygen (A/F) Sensor Circuit Stuck Rich (Bank 1 Sensor 1)
- DTC P2237: Oxygen (A/F) Sensor Pumping Current Circuit Open (Bank 1 Sensor 1)
- DTC P2A00: Air/Fuel Sensor Circuit Slow Response (Bank 1 Sensor 1)