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Home >> Buick >> 2017 >> Envision Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Power Door Lock System And Release Systems >> Diagnostic Information and Procedures >> DTC B396E: Liftgate Close Switch Malfunction >> Component Testing

Component Testing

  1. Ignition/Vehicle - Off
  2. Disconnect the electrical connector: B70 Liftgate Close Switch
  3. Test for infinite resistance between the test points: Signal terminal 3 & Low Reference terminal 4 - Switch - Not Pressed
    • If less than infinite resistance 

      Replace the component: B70 Liftgate Close Switch

    • If infinite resistance 
  4. Test for less than 3 ohms between the test points: Signal terminal 3 & Low Reference terminal 4 - Switch - Pressed
    • If 3 ohms or greater 

      Replace the component: B70 Liftgate Close Switch

    • If less than 3 ohms 
  5. All OK.
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