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Home >> Pontiac >> 2005 >> Aztek Base, AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Door System, Mirror System & Window System >> Diagnostic Information and Procedures >> Power Door Locks Inoperative (Aztek) >> Test Description

Test Description

The number below refers to the step number on the diagnostic table.

  1. 3:  This step verifies that all of the power door locks, including the endgate locks, are inoperative.
Power Door Locks Inoperative (Aztek)

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 in Wiring Systems
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2 Verify the power door locks inoperative fault is present.
Do the power door locks operate normally?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring System Go to Step 3 
Are all of the power door locks inoperative, including the endgate locks? Go to Step 4  Go to Step 5 
4
  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.
  4. Activate a door lock switch to UNLOCK.
Does the scan tool display change from Inactive to Active?
Go to Step 8  Go to Step 7 
5 Test the appropriate door lock actuator unlock control circuit for a short to ground or an open. Refer to Circuit Testing andWiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 13  Go to Step 6 
6 Test the appropriate door lock actuator lock control circuit for a short to ground or an open. Refer to Circuit Testing andWiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 13  Go to Step 10 
7 Test the driver door lock switch lock signal circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 13  Go to Step 8 
8 Inspect for poor connections at the center console fuse block harness connector C2. 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 13  Go to Step 9 
9 Inspect for poor connections at 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 13  Go to Step 11 
10 Inspect for poor connections at the appropriate door lock actuator. 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 13  Go to Step 12 
11 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 13  -
12 Replace the appropriate door lock actuator. Refer to Lock Actuator Replacement - Front Door  or Lock Actuator Replacement - Rear Door .
Did you complete the repair?
Go to Step 13  -
13 Operate the system in order to verify the repair.
Did you find and correct the condition?
System OK Go to Step 3