Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Door Systems Diagnostic System Check? | -- | Go to Step 2 | |
2 | Depress each door lock switch to LOCK and UNLOCK. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Are all of the door locks inoperative? | -- | Go to Step 4 | Go to Step 9 |
4 |
Did the scan tool display an active state from both switches? | -- | Go to Step 5 | Go to Step 7 |
5 |
Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 6 |
6 | Test the door lock motor circuits for an open or 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 15 |
7 |
Does the test lamp illuminate? | -- | Go to Step 14 | Go to Step 8 |
8 | Repair the open or short to ground in the battery positive voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 16 | -- |
9 |
Did the test lamp illuminate? | -- | Go to Step 10 | Go to Step 11 |
10 |
Did the test lamp illuminate? | -- | Go to Step 13 | Go to Step 12 |
11 | Repair the open in the lock control circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 16 | -- |
12 | Repair the open in the unlock control circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 16 | -- |
13 | Replace the door lock motor. Refer to Door Lock Replacement . Did you complete the replacement? | -- | Go to Step 16 | -- |
14 | Replace the door lock switch. Refer to Door Lock Switch Replacement . Did you complete the replacement? | -- | Go to Step 16 | -- |
15 | Replace the door lock/unlock relay. Did you complete the replacement? | -- | Go to Step 16 | -- |
16 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
