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Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 129 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B2494: Liftgate Handle Switch Circuit >> Component Testing
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Component Testing

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the S58A Rear Compartment Lid Unlatch Switch-Exterior.
  2. Test for infinite resistance between the signal terminal 1 and the ground terminal 2 with the switch in the open position.
    • If less than infinite resistance 

      Replace the S58A Rear Compartment Lid Unlatch Switch-Exterior.

    • If infinite resistance 
  3. Test for less than 3 Ω between the signal terminal 1 and the ground terminal 2 with the switch in the closed position.
    • If 3 Ω or greater 

      Replace the S58A Rear Compartment Lid Unlatch Switch-Exterior.

    • If less than 3 Ω 
  4. All OK
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