Remote Keyless Entry Lock/Unlock Isolation Test
- Connect Tech 1 scan tool to ALDL Connector. Command Tech 1 to unlock all doors. If no doors unlock, see REMOTE DOOR LOCKING TEST. If door unlocks, command Tech 1 to unlock all doors. If all doors do not unlock, see REMOTE DOOR LOCKING TEST.
- If all doors unlock, set Tech 1 to monitor transmitter signal received by Remote Accessory Control (RAC) module. Press all transmitter buttons. If Tech 1 recognizes some but not all buttons, replace transmitter. If Tech 1 recognizes all buttons, replace RAC module. See REMOVAL & INSTALLATION. Program new RAC. See PROGRAMMING PROCEDURE.