GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
HUMMER
🢒
2003
🢒
H2
🢒
Body and Accessories
🢒
Stationary Windows
🢒 Scan Tool Data Definitions
Body Control Module (BCM)
Rear Defog Relay:
The scan tool displays On or Off. When the BCM energizes the RR DEFOG relay, the scan tool will display On. When the BCM de-energizes the RR DEFOG relay, the scan tool will display Off.