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Circuit/System Testing

WARNING: This page is about a different car, the 2011 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the S58 rear compartment lid unlatch switch.
  2. Ignition ON, verify the scan tool Interior Trunk Lid/Liftgate Window Unlatch Switch parameter is Inactive.
    • If not the specified value, test the signal circuit terminal C for a short to ground. If the circuit tests normal, replace the K9 BCM.
  3. Install a 3A fused jumper wire between the signal circuit terminal C and the ground circuit terminal A. Verify the scan tool Interior Trunk Lid/Liftgate Window Unlatch Switch parameter is Active.
    • If not the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the K9 BCM.
  4. If all circuits test normal, test or replace the S58 rear compartment lid unlatch switch.
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