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Description and Operation Door Ajar Indicator Description and Operation (w/AN3) or Door Ajar Indicator Electrical Information Reference Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Scan Tool Reference Control Module References for Scan Tool Information Circuit/System Verification 1. Install a scan tool and with the front doors closed, verify the DDS and PDS door ajar switch parameters are Inactive. If either of the door ajar switch parameters are Active while the doors are closed 2. Open the doors and verify the door ajar switch parameters are Active. If either of the door ajar switch parameters are Inactive while the doors are open 3. With the rear doors closed, verify the BCM door ajar switch parameters are Door Closed. If either of the door ajar switch parameters are Door Ajar while the doors are closed 4. Open the doors and verify the door ajar switch parameters are Door Ajar. If either of the door ajar switch parameters are Door Closed while the doors are open 5. If the door ajar switch inputs to the DDS, PDS, and BCM function normally replace the IPC. Circuit/System Testing Front Door Ajar Switch Circuit Test 1. Ignition OFF, disconnect the harness connector at the affected door latch.
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Vehicle Access - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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