1.CHECK ENGINE COOLANT TEMPERATURE SENSOR POWER SUPPLY
2.CHECK ENGINE COOLANT TEMPERATURE SENSOR POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between ECT sensor harness connector and ECM harness connector.
+ | − | Continuity |
ECT sensor | ECM |
Connector | Terminal | Connector | Terminal |
F61 | 1 | F52 | 101 | Existed |
- Also check harness for short to ground.
Is the inspection result normal?
Perform the trouble diagnosis for power supply circuit. Repair or replace error-detected parts.
3.CHECK ENGINE COOLANT TEMPERATURE SENSOR GROUND CIRCUIT
4.CHECK ENGINE COOLANT TEMPERATURE SENSOR