Power Door Lock Inoperative - Driver Door
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
Power Door Lock Inoperative - Driver Door
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Door Lock/Indicator Schematics Connector End View Reference: Power Door Systems Connector End Views DEFINITION: This test checks the LF door lock switch, driver door lock actuator and associated circuits. |
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| 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 that the driver door power door lock inoperative fault is present. Does the driver door lock operate normally? |
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Are both the lock and unlock functions inoperative? | Go to Step 5 | Go to Step 4 |
| 4 | Is the lock function the inoperative function? | Go to Step 6 | Go to Step 7 |
| 5 | Test the ground circuit of the left front (LF) door lock switch for an open. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 17 | Go to Step 8 |
| 6 | Test the door lock control circuit of the LF door lock switch for a short to ground or an open. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 17 | Go to Step 11 |
| 7 | Test the door unlock control circuit of the LF door lock switch for a short to ground or an open. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 17 | Go to Step 11 |
| 8 |
|
Go to Step 9 | Go to Step 12 |
| 9 | Test the door lock actuator lock control circuit of the driver door lock actuator for an open. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 17 | Go to Step 10 |
| 10 | Test the driver door lock actuator unlock control circuit for an open. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 17 | Go to Step 13 |
| 11 | Inspect for poor connections at the harness connector of the LF door lock switch. 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 17 | Go to Step 14 |
| 12 | 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 17 | Go to Step 15 |
| 13 | Inspect for poor connections at the harness connector of the driver 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 17 | Go to Step 16 |
| 14 | Replace the LF door lock switch. Refer to Power Door Lock Switch Replacement - Driver Door . Did you complete the replacement? |
Go to Step 17 | - |
| 15 | 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 17 | - |
| 16 | Replace the driver door lock actuator. Refer to Lock Actuator Replacement - Front Door . Did you complete the replacement? |
Go to Step 17 | - |
| 17 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |