Doors Will Not Unlock (Or Lock) With the Transmitter, But Will Unlock (Or Lock) With the Door Switch and the Door Key Cylinder

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

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

NOTE: Before troubleshooting, check the B-CAN DTCs. If any DTC is indicated, refer to the B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A troubleshoot the indicated DTC(s) first.

1. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

2. Remove the ignition key from the ignition switch.

3. Close and lock 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 5.


5. Open the driver's door.

Does the key-in reminder chime sound?
YES - Faulty ignition key switch, or short to ground on the ignition switch wire. Repair as necessary.

NO - Go to step 6.


6. Do the transmitter test. Keyless Entry Transmitter Test

Is the transmitter OK?
YES - Substitute a known-good driver's under-dash fuse/relay box and recheck. If there is still a problem, substitute a known-good immobilizer-keyless control unit and recheck. If the problem goes away, replace the original immobilizer-keyless control unit. Service and Repair

NO - Replace the transmitter.