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Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Perform the scan tool control function: Driver Window Motor - Up & Down

    Verify the component works as specified: M74D Window Motor - Driver =Up & Down

    • If not the specified state 

      Test or replace the component: M74D Window Motor - Driver

    • If the specified state 
  3. Perform the scan tool control function: Driver Window Motor - Down
  4. Operate the component: S79D Window Switch - Driver - Pulled=Up & Release

    Verify the component works as specified: M74D Window Motor - Driver =Express Up

    • If the specified state 
  5. Ignition/Vehicle & All vehicle systems - Off - For greater than 2 min
  6. Ignition - On / Vehicle - In Service Mode
  7. Perform the scan tool control function: Driver Window Motor - Down
  8. Operate the component: S79D Window Switch - Driver - Pulled=Up & Release

    Verify the component works as specified: M74D Window Motor - Driver =Express Up

    • If not the specified state 

      Test or replace the component: M74D Window Motor - Driver

    • If the specified state 
  9. All OK.
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