For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Power Door Lock System Check? | -- | Go to Step 2 | Go to Power Door Locks System Check
2 | Does the LH front door lock actuator work? | -- | Go to Step 3 | Go to Step 4
3 | Using a test lamp, backprobe the multifunction alarm module connector C 1 cavity 8 to ground. When the door lock switch is in the UNLOCK position does the test lamp illuminate? | B+ | Go to Step 5 | Go to Step 6
4 | Using a test lamp, backprobe the multifunction alarm module connector C 1 cavity 7 to ground. When the door lock switch is in the UNLOCK position does the test lamp illuminate? | -- | Go to Step 7 | Go to Step 6
5 | Repair the short in the RED wire between the SP253 and the multifunction alarm module or replace the SP253, as needed. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Power Door Locks System Check | --
6 | Replace the multifunction alarm module. Refer to Multifunction Alarm Module Replacement . Is the repair complete? | -- | Go to Power Door Locks System Check | --
7 | Repair the short in the BLU wire between the SP253 and the multifunction alarm module or replace the SP253, as needed. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Power Door Locks System Check | --