Engine Coolant Temperature Compensation Inspection
- Connect the WDS or equivalent to DLC-2.
- Select following PIDs.
- ECT
- RPM
- Verify that the engine is in cold condition, then start the engine.
- Verify that the engine speed decreases as the engine warms up.
- If the engine speed does not decrease or decreases slowly, carry out the following:
- ECT Sensor Inspection
- IAC Valve Inspection
- If the engine speed does not decrease or decreases slowly, carry out the following: