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Home >> Cadillac >> 2009 >> STS V >> Repair and Diagnosis >> Body & Frame >> Windows >> Fixed And MOVEABLE Window System >> Diagnostic Information and Procedures >> Power Windows Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, observe the operation of the power windows while commanding each window UP and DOWN by using their respective window switches, each window should perform the UP and DOWN function from each switch.
    • If the driver window is malfunctioning, refer to Circuit/System Testing , under Driver Power Window Malfunction.
    • If the front or rear passenger window is malfunctioning, refer to Circuit/System Testing , under Passenger Power Window Malfunction.
  2. Observe the scan tool Window Lockout Switch parameter while pressing and depressing the window lockout switch on the driver master control. The parameter should change between On and Off.
    • If the value does not change between commanded states, replace the driver window switch.
  3. Command the EXPRESS UP and EXPRESS DOWN functions of each window by using the window switches on the driver master control, each window should perform the EXPRESS UP and EXPRESS DOWN functions.
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