Rear Window Defogger (EBL) Inoperative

Test 376 - 381:

Test 382 - 387:

Test 388 - 393:

Test 394 - 398:

Test 399 - 401:

SYMPTOM
* REAR WINDOW DEFOGGER (EBL) INOPERATIVE

POSSIBLE CAUSES
- No response / CCD BUS failure (BCM)
- Fused ignition switch output circuit short to ground
- Ignition switch output circuit open
- Rear defogger grid GND CKT open
- Rear defogger grid open
- EBL fused B(+) circuit short to ground
- EBL fused B+ CKT open
- Rear defogger relay out circuit open
- Rear defogger relay output circuit short to ground
- BCM - rear defogger relay control open
- EBL relay - coil defective
- EBL relay coil shorted
- EBL relay contacts open
- JB - EBL fused B+ open
- JB - rear defogger open
- Junction block - rear defogger relay control open
- EBL button switch (stuck closed)
- EBL button switch (stuck open)
- HVAC control head - mode sense open
- EBL fuse defective
- Fuse #15 defective
- Junction block - fused ignition switch output open