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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Door Lock System And Release Systems >> Diagnostic Information and Procedures >> Power Door Lock Key Cylinder Switches Malfunction >> Component Testing

Component Testing

  1. Ignition OFF, disconnect the harness connector at the A23D Door Latch Assembly-Driver.
  2. Test for infinite resistance between the signal terminal 9 and the ground terminal 8 with the switch in the open position:
    • If less than infinite resistance 

      Replace the A23D Door Latch Assembly-Driver.

    • If infinite resistance 
  3. Test for less than 2Ω between the signal terminal 9 and the ground terminal 8 with the switch in the closed position:
    • If 2Ω or greater 

      Replace the A23D Door Latch Assembly-Driver.

    • If less than 2Ω 
  4. All OK
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