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Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool Trunk Lid/Liftgate Window Exterior Unlatch Switch parameter changes between Inactive and Active when pressing the S46B Liftgate Unlatch Switch.
    • If the parameter does not change 

      Refer to Circuit/System Testing - Liftgate Release Switch Inoperative.

    • If the parameter changes 
    3. NOTE:

    Verify all doors have been commanded UNLOCK with a scan tool prior to commanding the liftgate to unlatch

  3. Verify the M30 Liftgate Latch functions when commanding the Liftgate Unlatch with a scan tool.
    • If the M30 Liftgate Latch does not UNLATCH 

      Refer to Circuit/System Testing - Liftgate Latch Inoperative

    • If the M30 Liftgate Latch does UNLATCH 
  4. All OK.
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