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Circuit/System Verification

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the SGCM coolant pump operates.
  2. Ignition ON, command the scan tool SGCM coolant pump output control ON and OFF.
    • If the SGCM coolant pump does not operate refer to SGCM Coolant Pump Malfunction.
  3. Inspect all 12-volt battery connections for a short to ground as follows:
    • At battery
    • At SGCM
    • At fuse block
  4. If all connections are normal, replace the SGCM.
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