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Component Testing

WARNING: This page is about a different car, the 2017 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 S38 Ignition Mode Switch.
  2. With the S38 Ignition Mode Switch released, test for 4.5-5.5 k Ω between the terminals listed below:
    • Signal terminal 6 and ground terminal 4
    • Signal terminal 3 and low reference terminal 7
    • If not between 4.5-5.5 k Ω 

      Replace the S38 Ignition Mode Switch.

    • If between 4.5-5.5 k Ω 
  3. With the S38 Ignition Mode Switch pressed, test for 1-1.5 k Ω between the terminals listed below:
    • Signal terminal 6 and ground terminal 4
    • Signal terminal 3 and low reference terminal 7
    • If not between 1-1.5 k Ω 

      Replace the S38 Ignition Mode Switch.

    • If between 1-1.5 k Ω 
  4. All OK.
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