Doors automatically relock 30 seconds after being unlocked with the transmitter even though a door has been opened

Keyless/Power Door Locks/Security System Symptom Troubleshooting - Doors automatically relock 30 seconds after being unlocked with the transmitter even though a door has been opened

Doors automatically relock 30 seconds after being unlocked with the transmitter even though a door has been opened

NOTE: Before troubleshooting, check the B-CAN DTCs. If any DTC is indicated, troubleshoot the indicated DTC first.

1. Determine possible failure area (MICU, door switch line):

Determine possible failure area (MICU, door switch line)
-1. Move the interior light switch to the DOOR position.

-2. Turn the ignition switch to LOCK (0).

-3. Watch the individual map light and the door indicators on the gauge control module.

Do the individual map light and door indicators come on when the door is open, and go off when the door is closed?
-YES- Faulty MICU, replace the under-dash fuse/relay box Service and Repair.
-NO- Go to step 2.

2. Open wire check (FL_DOOR_SW, FR_DOOR_SW, RL_DOOR_SW, RR_DOOR_SW lines):

Open wire check (FL_DOOR_SW, FR_DOOR_SW, RL_DOOR_SW, RR_DOOR_SW lines)
-1. Disconnect the following connectors.





-2. Check for continuity between test points 1 and 2.

































Is there continuity?
-YES- Replace the bad door switch.
-NO- Repair an open or high resistance in the wire between the MICU and each door switch.