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Home >> Chevrolet >> 2022 >> Tahoe PPV, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Vehicle Access - Diagnostic Information And Procedures (2 Of 2) >> Diagnostic Information and Procedures >> Liftgate/Liftgate Window Ajar Indicator Malfunction >> Component Testing

Component Testing

  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector: M33 Liftgate Window Latch
  3. Test for infinite resistance between the test points: Signal terminal 3 & Ground terminal 2 - The switch is in the open position.
    • If less than infinite resistance 

      Replace the component: M33 Liftgate Window Latch

    • Go to next step: If infinite resistance 
  4. Test for less than 3 ohms between the test points: Signal terminal 3 & Ground terminal 2 - The switch is in the closed position.
    • If 3 ohms or greater 

      Replace the component: M33 Liftgate Window Latch

    • Go to next step: If less than 3 ohms 
  5. All OK.
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