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Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the liftgate release actuator.
  2. Test for less than 1 ohm between the ground circuit terminal 5 and ground.
    • If greater than the specified value, test the ground circuit for an open/high resistance.
  3. Ignition ON, verify the scan tool Rear Closure Ajar Sw. parameter is Inactive.
    • If not the specified parameter, test the signal circuit terminal 6 for a short to ground. If the circuit tests normal, replace the BCM.
  4. Install a 3A fused jumper wire between the signal circuit terminal 6 and ground. Verify the scan tool Rear Closure Ajar Sw. parameter is Active.
    • If not the specified parameter, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal replace the BCM.
  5. If all circuits test normal, test or replace the liftgate release actuator.
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