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Circuit/System Testing

WARNING: This page is about a different car, the 2012 Chevrolet Cruze. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the A23D Door Latch Assembly - Driver.
  2. Ignition ON, verify that a test lamp does not illuminate between control circuit terminal 5 and ground.
    • If the test lamp illuminates, test the control circuit for a short to voltage. If the circuit tests normal. replace the K84 Keyless Entry Control Module.
  3. Verify that a test lamp does not illuminate between control circuit terminal 10 and ground.
    • If the test lamp illuminates, test the control circuit for a short to voltage. If the circuit tests normal. replace the K84 Keyless Entry Control Module.
  4. Verify that a test lamp does not illuminate between control circuit terminal 5 and B+.
    • If the test lamp illuminates, test the control circuit for a short to ground. If the circuit tests normal. replace the K84 Keyless Entry Control Module.
  5. Verify that a test lamp does not illuminate between control circuit terminal 10 and B+.
    • If the test lamp illuminates, test the control circuit for a short to ground. If the circuit tests normal. replace the K84 Keyless Entry Control Module.
  6. Connect a test lamp between the control circuit terminals 5 and 10.
  7. Verify the test lamp illuminates briefly, while pulling the exterior door handle.
    • If the test lamp does not illuminate, test the control circuits for an open/high resistance. If the circuits test normal, replace K84 Keyless Entry Control Module.
  8. If all circuits test normal, test or replace the A23D Door Latch Assembly - Driver.
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