FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Battery Power to Module Disconnected

Test 1:




Test 2 - 7:




Test 8 - 9:




SYMPTOM
BATTERY POWER TO MODULE DISCONNECTED

WHEN MONITORED
Constantly monitored.

SET CONDITION
The input voltage to the body control module drops below 5 volts.

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