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Circuit/System Verification

WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the scan tool Driver LF Window Switch, Driver RF Window Switch, Driver LR Window Switch and Driver RR Window Switch parameters while using each window switch on the K15D door control module-driver. The parameters should change from Off to Up, Down, Express Up, and Express Down.
    • If the values do not change, replace the K15D door control module-driver.
  2. Command the driver window UP and DOWN with a scan tool, the driver window should perform the UP and DOWN functions.
    • If the driver window does not perform as specified, refer to Power Window Motor Malfunction in Circuit/System Testing .
  3. Observe the scan tool Passenger Window Switch parameters while using the window switch on the K15P door control module-passenger. The parameters should change from Off, Up, Down, Express Up, and Express Down.
    • If the values do not change, replace the K15P door control module-passenger.
  4. Command the passenger window UP and DOWN with a scan tool, the passenger window should perform the UP and DOWN functions.
    • If the passenger window does not perform as specified, refer to Power Window Motor Malfunction in Circuit/System Testing .
  5. Observe the scan tool Window Lockout Switch parameter while pressing and depressing the lockout switch on the K15D door control module-driver. The parameter should change between On and Off.
    • If the value does not change, replace the K15D door control module-driver.
  6. Command the left rear window and right rear window UP and DOWN by using the appropriate window switch in the K15D door control module-driver, each rear window should perform the UP and DOWN function.
    • If a rear window does not perform as specified, refer to Power Window Motor Malfunction in Circuit/System Testing .
  7. Command the left rear window UP and DOWN by using the S79LR window switch-left rear, the left rear window should perform the UP and DOWN functions.
    • If the left rear window does not perform as specified, refer to Rear Passenger Window Switch Malfunction in Circuit/System Testing .
  8. Command the right rear window UP and DOWN by using the S79RR window switch-right rear, the right rear window should perform the UP and DOWN functions.
    • If the right rear window does not perform as specified, refer to Rear Passenger Window Switch Malfunction in Circuit/System Testing .
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