Engine coolant temperature compensation inspection
- Connect the M-MDS to the DLC-2.
- Select the following PIDs: (See PID/DATA MONITOR INSPECTION
.)
- ECT
- IAT
- ENG_RPM
- Verify that the engine is cold, 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, inspect the following:
- ECT sensor and related wiring harness (Refer to ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [SKYACTIV-G 2.0] in service information.)
- Throttle body and related wiring harness (Refer to THROTTLE BODY INSPECTION [SKYACTIV-G 2.0] in service information.)
- If the engine speed does not decrease or decreases slowly, inspect the following: