Step | Action | Yes | No |
1 | Did you perform a Diagnostic System Check for the Doors system? | Go to Step 2 | |
2 | Verify that the driver power door lock is inoperative. Does the driver power door lock operate normally? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Are all of the power door locks inoperative? | Go to Step 4 | |
4 |
Did the test lamp flash or stay illuminated for each circuit when commanded to lock or unlock? | Go to Step 5 | Go to Step 7 |
5 | Did the test lamp stay illuminated for either of the relay control circuits? | Go to Step 6 | Go to Step 8 |
6 | Test the appropriate relay control 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 16 | Go to Step 10 |
7 | Test the door unlock relay 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 16 | Go to Step 10 |
8 | Backprobe the door lock relay Unlock controlled circuit, with a test lamp connected to ground, while commanding the door locks to unlock from a door lock switch. Did the test lamp flash when the door locks were commanded to unlock? | Go to Step 9 | Go to Step 12 |
9 | Test the door lock relay controlled circuits to the driver door actuator for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 16 | Go to Step 11 |
10 | 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 16 | Go to Step 15 |
11 | Inspect for poor connections at 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 16 | Go to Step 14 |
12 | Inspect for poor connections at the LH IP Junction Block. 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 16 | Go to Step 13 |
13 | Replace the driver door unlock relay. Did you complete the repair? | Go to Step 16 | -- |
14 | Replace the driver door lock actuator. Refer to Door Lock Actuator Replacement . Did you complete the repair? | Go to Step 16 | -- |
15 | Replace the BCM. Refer to Body Control Module Replacement in Body Controls. Did you complete the repair? | Go to Step 16 | -- |
16 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
