Circuit/System Testing
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
To help avoid personal injury, additional precautions must be taken prior to working on the generator control module or the generator starter. After removing the 36V battery cables from the generator battery, remove both engine wiring harness connectors from the generator control module. Wait at least 5 minutes and then remove the generator control module cover. Verify voltage levels at all 36V, 12V, and 3-phase connections, are less than 3 volts using a DMM before proceeding.
- Inspect for any open fuses.
- Inspect all the 12 volt battery connections for proper torque as follows:
- At Battey
- At SGCM
- At Fuse block
Refer to Fastener Tightening Specifications .
- If all connections were within torque specifications, replace the SGCM.