Engine Controls (1ZZ-FE) - Diagnostics
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Pre-Check
- Readiness Monitor Drive Pattern
- Diagnostic Trouble Code Table
- Parts Location
- Terminals Of ECM
- Problem Symptoms Table
- DTC Tests & Circuit Inspection
- DTC P0010: Camshaft Position "A" Actuator circuit (Bank 1)
- DTC P0011, P0012: Camshaft Position "A" -Timing Over-Advanced or System Performance (Bank 1), Camshaft Position "A" -Timing Over-Retarded (Bank 1)
- DTC P0016: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
- DTC P0031, P0032, P0037, P0038: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 1), Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 1), Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2), Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2)
- DTC P0100: Mass or Volume Air Flow Circuit
- DTC P0101: Mass Air Flow Circuit Range/Performance Problem
- DTC P0110: Intake Air Temp. Circuit Malfunction
- DTC P0115: Engine Coolant Temperature Circuit
- DTC P0116: Engine Coolant Temperature Circuit Range/Performance Problem
- DTC P0120: Throttle 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: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
- DTC P0130: Oxygen Sensor Circuit (Bank 1 Sensor 1)
- DTC P0133: Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1)
- DTC P0134: Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
- DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
- DTC P0171, P0172: System too Lean (Bank 1), System too Rich (Bank 1)
- DTC P0300, P0301, P0302, P0303, P0304: Random/Multiple Cylinder Misfire Detected, Cylinder 1 Misfire Detected, Cylinder 2 Misfire Detected, Cylinder 3 Misfire Detected, Cylinder 4 Misfire Detected
- DTC P0325: Knock Sensor 1 Circuit (Bank 1 or Single Sensor)
- DTC P0335, P0339: Crankshaft Position Sensor "A" Circuit Malfunction, Crankshaft Position Sensor "A" Circuit Intermittent
- DTC P0340, P0341: Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor), Camshaft Position Sensor "A" Circuit Range/Performance
- DTC P0351, P0352, P0353, P0354: Igniter Coil "A" Primary/Secondary Circuit, Igniter Coil "B" Primary/Secondary Circuit, Igniter Coil "C" Primary/Secondary Circuit, Igniter Coil "D" Primary/Secondary Circuit
- DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1)
- DTC P0441, DTC P0446: Evaporative Emission Control System Incorrect Purge Flow, Evaporative Emission Control System Vent Control Malfunction
- DTC P0442, P0456: Evaporative Emission Control System Leak Detected (Small Leak), Evaporative Emission Control System Leak Detected (Very Small Leak)
- DTC P0451: Evaporative Emission Control System Pressure Sensor/Switch Range/Performance
- DTC P0500: Vehicle Speed Sensor Malfunction
- DTC P0505, DTC P0511: Idle Air Control System, Idle Air Control Circuit
- DTC P0560: System Voltage
- DTC P0617: Starter Relay Circuit High
- DTC P1645: Body ECU Malfunction
- ECM Power Source Circuit
- Fuel Pump Control Circuit
- TC Terminal Circuit