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Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 2:  Determines whether the DTC is current or intermittent.
  2. 3:  Determines whether the driver door lock switch lock signal circuit or a door lock switch is shorted to ground.
DTC B3272

Step Action Yes No
Schematic Reference: Door Lock/Indicator Schematics 
Connector End View Reference: Power Door Systems Connector End Views ,Computer/Integrating Systems Connector End Views in Computer/Integrating Systems, or Electrical Center Identification Views
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2 
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, observe the Door Unlock Switch parameter in the body control module (BCM) data list.
Does the scan tool display Inactive?		 Go to Diagnostic Aids Go to Step 3 
3 
  1. Turn OFF the ignition.
  2. Disconnect the driver and front passenger door lock switches.
  3. Turn ON the ignition, with the engine OFF.
  4. With a scan tool, observe the Door Unlock Switch parameter in the BCM data list.
Does the scan tool display Inactive?		 Go to Step 4  Go to Step 5 
4
  1. Turn OFF the ignition.
  2. Connect the driver door lock switch.
  3. Turn ON the ignition, with the engine OFF.
  4. With a scan tool, observe the Door Unlock Switch parameter in the BCM data list.
Does the scan tool display Inactive?		 Go to Step 7  Go to Step 8 
5 Test the driver door lock switch lock signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 10  Go to Step 6 
6 Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 10  Go to Step 9 
7 Replace the driver door lock switch. Refer to Power Door Lock Switch Replacement (Aztek)  or Power Door Lock Switch Replacement (Rendezvous) .
Did you complete the replacement?		 Go to Step 10  -
8 Replace the front passenger door lock switch. Refer to Power Door Lock Switch Replacement (Aztek)  or Power Door Lock Switch Replacement (Rendezvous) .
Did you complete the replacement?		 Go to Step 10  -
9 Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the replacement?		 Go to Step 10  -
10
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?		 Go to Step 2  System OK
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