Rear Window Defogger Grid Inoperative

SYMPTOM
REAR WINDOW DEFOGGER GRID INOPERATIVE

POSSIBLE CAUSES
- Defogger grid ground circuit open
- Rear window defogger grid open
- Fused B(+) circuit open
- Rear window defogger SW sense CKT open
- Rear window defogger relay control circuit open
- Rear window defogger relay control circuit short B+
- Rear window defogger relay control CKT short ground
- Rear window defogger switch sense circuit short ground
- Rear window defogger switch sense circuit short ground
- Rear window defogger relay defective
- Fused rear window defogger relay output circuit short ground
- Open relay output to grid
- Rear window defogger relay coil shorted
- Rear window defogger relay missing
- BCM defective
- BCM defective
- Rear window defogger switch defective, shorted open/closed
- Defective J/B fuse #2