P2012

Test 1 - Test 2:

Test 3 - Test 4:

SYMPTOM
P2012-ENGINE COOLANT TEMP SENSOR CIRCUIT PLAUSIBILITY

TEST NOTE
This symptom is diagnosed using the test P0115-ENGINE COOLANT TEMP SENSOR CIRCUIT PLAUSIBILITY.

POSSIBLE CAUSES
- ECT sensor
- ECT sensor - cold
- ECT sensor - hot
- High resistance in ECT sensor circuits
- Engine cold too long