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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 377 (Theft Deterrent System) >> Diagnostic Information and Procedures >> Content Theft Deterrent Malfunction >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition ON, vehicle in gear, individually open and close each vehicle door while observing the door ajar indicator/message. The indicator/message should accurately transition between the door ajar and door closed state when each door is opened and closed.
  2. Ignition ON, vehicle in PaRK, open and close the liftgate while observing the rear access indicator/message. The indicator/message should accurately transition between the rear access open and rear access closed state when the liftgate is opened and closed.
  3. Completely lower the driver door window and close all vehicle doors.
  4. Without disarming the system, reach in through the open driver window, unlock and open the driver door. Verify the scan tool CTD Status parameter displays Alarm Active.
    • If the parameter does not equal the specified value, replace the BCM.
  5. With the door open, verify the vehicle horn is pulsing and the exterior lamps are flashing.
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