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Circuit/System Testing

WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the X3 harness connector at the K84 keyless entry control module.
  2. Verify that a test lamp does not illuminate between the 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 A23D door latch assembly-driver.
  3. Verify that a test lamp does not illuminate between the 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 A23D door latch assembly-driver.
  4. Test for infinite resistance between the control circuit terminal 5 and ground.
    • If not the specified value, test the control circuit for a short to ground. If the circuit tests normal. replace the A23D door latch assembly-driver.
  5. Test for infinite resistance between the control circuit terminal 10 and ground..
    • If not the specified value, test the control circuit for a short to ground. If the circuit tests normal. replace the A23D door latch assembly-driver.
  6. If all circuits test normal, replace the K84 keyless entry control module.
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