Question about Pontiac Cars & Trucks
It should tell you which one .
Driver Door Ajar Malfunction
Passenger Door Ajar Malfunction
If not a scan tool would be the best way.
Ignition ON, observe the scan tool Driver Door Ajar Sw parameter while opening and closing the driver door. The parameter should change between Door Closed and Door Ajar
? If the parameter does not change, refer to Driver Door Ajar Malfunction.
With the passenger doors closed, observe the scan tool Door Ajar Switch parameter while opening and closing each door. The parameter should change between Door Closed and Door Ajar.
? If the parameter does not change, refer to Passenger Door Ajar Malfunction
Ignition OFF, disconnect the harness connector at the driver door latch.
Test for less than 5 ohms between the ground circuit terminal 8 and ground.
? If greater than the specified range, test the ground circuit for an open/high resistance.
Ignition ON, verify the scan tool Driver Door Ajar Sw parameter is Door Closed.
? If not the specified value, test the signal circuit terminal 6 for a short to ground. If the circuit tests normal, replace the BCM.
Install a 3A fused jumper wire between the signal circuit terminal 6 and the ground circuit terminal 8. Verify the scan tool Driver Door Ajar Sw parameter is Door Ajar.
? If not the specified value, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the BCM.
If all circuits test normal, test or replace the driver door latch
Posted on Dec 26, 2016
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Posted on Jan 02, 2017
Tips for a great answer:
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Body Control Module (BCM)
Driver Information Center (DIC)
Electronic Brake Control Module (EBCM)
Instrument Panel Cluster (IPC)
Powertrain Control Module (PCM)
Remote Playback Device-CD Player (if equipped with UQ3)
Inflatable Restraint Sensing and Diagnostic Module (SDM)
Vehicle Interface Unit (VIU) (if equipped)
The class 2 serial data link allows a scan tool to communicate with the above modules for diagnostic and testing purposes.
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