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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> Door Ajar Indicator Malfunction (Coupe) >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2016 Cadillac ATS. 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 A23 Door Latch Assembly.
  2. Test for infinite resistance between the terminals listed below with the switch in the open position.
    • A23D Door Latch Assembly-Driver signal terminal 1 and ground terminal 3
    • A23P Door Latch Assembly-Passenger signal terminal 5 and ground terminal 3
    • If less than infinite resistance 

      Replace the A23 Door Latch Assembly.

    • If infinite resistance 
  3. Test for less than 5 Ω between the terminals listed below with the switch in the closed position.
    • A23D Door Latch Assembly-Driver signal terminal 1 and ground terminal 3
    • A23P Door Latch Assembly-Passenger signal terminal 5 and ground terminal 3
    • If 5 Ω or greater 

      Replace the A23 Door Latch Assembly.

    • If less than 5 Ω 
  4. All OK
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