FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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No Response From BCM (Battery Power Disconnected)

Test 1:




Test 2 - 7:




Test 8 - 9:




SYMPTOM
NO RESPONSE FROM BCM (BAT PWR DISCON'D)

TEST NOTE
This symptom is diagnosed using the test BATTERY POWER TO MODULE DISCONNECT.

POSSIBLE CAUSES
- BCM defect - fused IGN SW out
- Fused IGN SW OUT CKT SHRT TO GND - BCM
- CCD BCM ground circuit open
- BCM defect
- Fuse # 11 defective
- No response IGN SW output voltage
- No response fused B+ volt low
- No response fused ign output voltage