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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC B097B: Power Mode Start Switch Circuit >> Component Testing >> Ignition Mode Switch Test

Ignition Mode Switch Test

  1. Ignition OFF/Vehicle OFF, disconnect the harness connector at the S38 Ignition Mode Switch.
  2. Test for 4.5-5.5 kΩ between the terminals listed below with the S38 Ignition Mode Switch released:
    • Signal terminal 6 and ground terminal 4
    • Signal terminal 3 and low reference terminal 7
    • If not between 4.5-5.5 kΩ 

      Replace the S38 Ignition Mode Switch.

    • If between 4.5-5.5 kΩ 
  3. Test for 1-1.5 kΩ between the terminals listed below with the S38 Ignition Mode Switch pressed :
    • Signal terminal 6 and ground terminal 4
    • Signal terminal 3 and low reference terminal 7
    • If not between 1-1.5 kΩ 

      Replace the S38 Ignition Mode Switch.

    • If between 1-1.5 kΩ 
  4. All OK.
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