Operation CHARM: Car repair manuals for everyone.

Electrically Heated Systems

Tests 1 - 4:




Test 5:





SYMPTOM
HEATED SEAT RELAY DOES NOT ENERGIZE WITH ENGINE RUNNING

POSSIBLE CAUSES
- Central timer module relay control
- PCM active on the bus
- Junction block fuse #1
- Junction block fused B+ circuit
- Heated seat relay
- Heated seat relay control wire