Power Door Locks Inoperative - Passenger Door Cargo Door
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Door Lock/Indicator Schematics Connector End View Reference: Power Door Systems Connector End Views DEFINITION: This diagnostic should be used to diagnose a failure of the driver door lock actuator (lock, unlock or both). | |||
1 | Did you perform the Power Door System Diagnostic System Check? | Go to Step 2 | |
2 | Actuate all the door lock switches to both the lock and unlock positions. Did the cargo door lock and unlock from all of the switches? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Did the passenger door(s) lock and unlock from all of the switches? | Go to Step 4 | |
4 | Is the vehicle equipped with keyless entry? | Go to Step 5 | Go to Step 12 |
5 | Did the cargo door lock? | Go to Step 7 | Go to Step 6 |
6 | Did the cargo door unlock? | Go to Step 9 | Go to Step 12 |
7 |
Did the test lamp illuminate? | Go to Step 8 | Go to Step 14 |
8 |
Did the data value change from inactive to active when the switch was actuated? | Go to Step 10 | Go to Step 16 |
9 |
Did the test lamp illuminate? | Go to Step 15 | Go to Step 22 |
10 | Connect a test lamp between the battery positive voltage circuit on the coil side of the cargo door lock relay at the fuse block and a good ground. Did the test lamp illuminate? | Go to Step 11 | Go to Step 23 |
11 | Connect a test lamp between the battery positive voltage circuit on the switched side of the cargo door lock relay at the fuse block and a good ground. Did the test lamp illuminate? | Go to Step 15 | Go to Step 23 |
12 |
Did the test lamp illuminate? | Go to Step 13 | Go to Step 20 |
13 |
Did the test lamp illuminate? | Go to Step 17 | Go to Step 21 |
14 | Test for an open in the cargo door unlock relay control circuit between the BCM and the cargo door unlock relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 26 | Go to Step 18 |
15 | Inspect for poor connections at the cargo door unlock relay. 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 26 | Go to Step 19 |
16 | Check for an open in the door unlock signal circuit between the BCM and the door lock switches. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 26 | Go to Step 18 |
17 | Inspect for poor connections at the cargo 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 26 | Go to Step 24 |
18 | 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 26 | Go to Step 25 |
19 | Replace the cargo door unlock relay. Did you complete the repair? | Go to Step 26 | -- |
20 | Repair the open in the door lock control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 26 | -- |
21 | Repair the open in the door unlock control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 26 | -- |
22 | Repair the open in the cargo door lock relay ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 26 | -- |
23 | Repair the open in the cargo door lock relay battery positive voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 26 | -- |
24 | Replace the door lock actuator. Refer to Power Door Lock Actuator Replacement . Did you complete the repair? | Go to Step 26 | -- |
25 | Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the repair? | Go to Step 26 | -- |
26 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
