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Circuit/System Testing

WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the appropriate passenger window switch.
  2. Ignition ON, verify the scan tool Window Switch parameter is Idle.
    • If not the specified value, test the signal circuit terminal 5 for a short to ground. If the circuit tests normal, replace the door control module.
  3. If all circuits test normal, test or replace the passenger window switch.