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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 729 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> Door Ajar Indicator Malfunction >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

The body control module (BCM) receives an input from all four door jamb switches, drivers, passengers, left rear, and right rear. The door jamb switches are normally open when the doors are fully closed. When a door is opened, the door jamb switch contacts close providing a path to ground. The driver information center (DIC) on the instrument panel cluster (IPC), illuminates the door ajar message when the one of the doors is open. The IPC receives a serial data message from the BCM, indicating the door ajar status. If this message is displayed and the vehicle speed is greater than 5 km/h (3 mph), a chime will sound.

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