Rear Defogger Relay Control Circuit Open/Shorted to Ground

Test 1 - 2:

Test 3 - 7:

SYMPTOM
REAR DEFOGGER RELAY CONTROL CIRCUIT OPEN/SHORT TO GROUND

WHEN MONITORED
With the ignition on.

SET CONDITION
When the BCM detects no voltage on the Rear Window Defogger Control circuit due to an open or short to ground.

POSSIBLE CAUSES
- Junction block fuse 39
- Code active
- Relay open or shorted
- Junction block - rear window defogger relay control short to ground
- Fused ignition switch output circuit open
- Junction block - rear window defogger relay control open
- Body control module