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Circuit/System Verification

  1. Ignition ON, observe the scan tool window switch parameters located in the Driver Door Switch while activating all window switches located on the driver door switch assembly (DDSA) to the UP, DOWN, and EXPRESS positions. The readings should change between UP, DOWN, EXPRESS UP, and EXPRESS DOWN as the individual switches are activated.
    • If the readings do not change as the individual switches are activated, refer to Power Window Switch Malfunction - Driver Door Switch Assembly (DDSA).
    • If the readings change as the individual switches are activated, refer to Power Window Motor Malfunction.
  2. Observe the scan tool window switch parameters for the front passenger, LR passenger, and RR passenger power window switches while activating each passenger power window switch to the UP, DOWN, and EXPRESS positions. The readings should change between UP, DOWN, EXPRESS UP, and EXPRESS DOWN as the individual switches are activated.
    • If the readings do not change as the individual switches are activated, refer to Power Window Switch Malfunction - Passenger.
    • If the readings change as the individual switches are activated, refer to Power Window Motor Malfunction.
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