Circuit/System Testing
WARNING: This page is about a different variant/trim than selected.
WARNING:
Refer to Road Test Warning
.
- Use the scan tool ECM Starter Enable command output control to enable an autostart.
- If engine starts, road test the vehicle to confirm that the autostart is operating. Refer toDiagnostic Aids .
- Gain access to the following wiring connections:
- Starter/generator control module (SGCM) 36 volt and 3 phase connections. Refer to Generator Control Module Replacement .
- Motor generator unit (MGU) 3 phase cable connections. Refer to Generator with Starter Replacement .
- Verify the above listed connections are within specifications. Refer to Fastener Tightening Specifications .
- If all connections are within specifications, replace the MGU.