Operation CHARM: Car repair manuals for everyone.

Engine Temperature Warning Lamp

Tests 1 - 4:




Tests 5 - 9:




SYMPTOM
ENGINE TEMPERATURE WARNING LAMP

POSSIBLE CAUSES
- Engine temperature lamp staying on
- Temp lamp not working
- Engine temperature lamp/bulb defective
- Fused ignition switch output circuit open
- Defective BCM
- Engine temperature warning lamp driver circuit open
- Temperature warning lamp driver circuit shorted to ground
- Information center defective
- Body control module defective
- Defective information center