Doors Will Not Unlock/lock With Transmitter, But Will Unlock/lock With Door Lock Switch and Door Key Cylinder Switch

Keyless/Power Door Locks/Security System Symptom Troubleshooting - Doors will not unlock (or lock) with the transmitter, but will unlock (or lock) with the door lock switch and the door key cylinder switch

Doors will not unlock (or lock) with the transmitter, but will unlock (or lock) with the door lock switch and the door key cylinder switch

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

1. Problem verification:

Problem verification
-1. Turn the ignition switch to LOCK (0).

-2. Remove the ignition key from the ignition switch.

-3. Close all the doors.

-4. Try to lock/unlock the doors with the keyless transmitter.

Do the door lock actuators work normally?
-YES- Intermittent failure, the system is OK at this time.
-NO- Go to step 2.

2. Determine possible failure area (ignition switch or ignition switch wire, others):

Determine possible failure area (ignition switch or ignition switch wire, others)
-1. Open the driver's door.

Does the key-in reminder chime sound?
-YES- Replace the ignition switch Service and Repair.
-YES- Short to ground on the related ignition switch wire. Repair the wire as needed.
-NO- Go to step 3.

3. Transmitter check:

Transmitter check
-1. Do the transmitter test Keyless Entry Transmitter Test.

Is the transmitter OK?
-YES- Go to step 4.
-NO- Replace the transmitter, then register the new transmitter Testing and Inspection.

4. Under-dash fuse/relay box check (substitution):

Under-dash fuse/relay box check (substitution)
-1. Substitute a known-good under-dash fuse/relay box.

-2. Recheck the system.

Is the system normal?
-YES- Replace the original under-dash fuse/relay box Service and Repair.
-NO- Replace the immobilizer-keyless control unit Service and Repair.