Step
| Action
| Value(s)
| Yes
| No
|
1
|
- Turn the ignition OFF.
- Roll down the windows.
- Close all of the doors.
- Connect a scan tool.
- Turn the ignition to the ON position.
- Using the scan tool, inspect for any DTCs in the body control
module (BCM).
Does the scan tool show any DTCs?
| --
| Go to
Diagnostic System Check - Body Control System
in Body Controls
|
Go to Step 2
|
2
|
- Depress the door lock switch to the lock position.
- Using the scan tool, command the door unlock relay ON.
Do the doors unlock?
| --
| Go to
Power Door Locks Switch Inoperative - One
|
Go to Step 3
|
3
|
- Using the scan tool, read the pass door unlock input.
- While reading the scan tool, depress the door lock switch to the
unlock position.
Does the scan tool show active?
| --
|
Go to Step 4
| Go to
Power Door Locks Switch Inoperative - One
|
4
| Replace the door unlock relay.
Is the repair complete?
| --
| System OK
| --
|