For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Power Door Locks System Check? | -- | Go to Step 2 | Go to Power Door Locks System Check
2 | Can either of the switches unlock the doors? | -- | Go to Step 3 | Go to Step 6
3 | Test the BLU/WHT wire using a J 39200 DMM between connector C 1 cavity 1 of the multifunction alarm module and SP252 for an open. Does the wire have an open? | -- | Go to Step 4 | Go to Step 5
4 | Repair the open in the BLU/WHT wire or replace SP252 as needed. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Power Door Locks System Check | --
5 | Replace the multifunction alarm module. Refer to Multifunction Alarm Module Replacement . Is the repair complete? | -- | Go to Power Door Locks System Check | --
6 | Can either of the switches lock the doors? | -- | Go to Step 7 | Go to Step 5
7 | Test the BLU/YEL wire using a J 39200 DMM between connector C 1 cavity 2 of the Multifunction Alarm Module and SP252 for an open. Does the wire have an open? | -- | Go to Step 8 | Go to Step 5
8 | Repair the open in the BLU/YEL wire or replace the SP252 as needed. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Power Door Locks System Check | --