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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 228 (Vehicle Access System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B107E or B107F >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

Door Lock Switch

  1. Vehicle OFF, disconnect the harness connector at the S13P Door Lock Switch - Passenger.
  2. Test for infinite resistance between the signal terminal 2 and the ground terminal 4 with the switch not pressed.
    • If less than infinite resistance 

      Replace the S13P Door Lock Switch - Right Front.

    • Go to next step: If infinite resistance 
  3. Test for infinite resistance between the signal terminal 3 and the ground terminal 4 with the switch not pressed.
    • If less than infinite resistance 

      Replace the S13P Door Lock Switch - Passenger

    • Go to next step: If infinite resistance 
  4. Test for less than 2 Ω between the signal terminal 2 and the ground terminal 4 with the switch in the Lock position.
    • If 2 Ω or greater 

      Replace the S13P Door Lock Switch - Passenger

    • Go to next step: If less than 2 Ω 
  5. Test for less than 2 Ω between the signal terminal 3 and the ground terminal 4 with the switch in the Unlock position.
    • If 2 Ω or greater 

      Replace the S13P Door Lock Switch - Passenger.

    • Go to next step: If less than 2 Ω 
  6. All OK
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