Rear Defogger Relay Open

Test 1 - 2:

Test 3 - 7:

SYMPTOM
REAR DEFOGGER RELAY OPEN

WHEN MONITORED
With the ignition in the run position.

SET CONDITION
The rear defogger relay output of the BCM does not have battery voltage.

POSSIBLE CAUSES
- Fused B(+) CKT shorted to ground
- Rear defogger relay output CKT shorted to ground
- PDC fuse # 2 open
- Fused B(+) CKT open
- Rear window defogger relay
- Rear window defogger relay control short to ground.
- Junction block
- Body control module