Diesel Data: Automotive Repair

Keyless Operation Does Not Work (LOCK, UNLOCK, PANIC)




Keyless/Power Door Locks/Security System Symptom Troubleshooting - Keyless operation does not work (LOCK, UNLOCK, PANIC)

Keyless operation does not work (LOCK, UNLOCK, PANIC)

NOTE:

- If the LOCK and UNLOCK buttons work OK, but the PANIC button does not, see the troubleshooting for the horn does not sound/or the headlights do not flash when the PANIC button on the transmitter is pressed Keyless Entry Transmitter Test.
- 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, and troubleshoot the indicated DTC(s) first.

1. Insert the key into the ignition switch, but leave the switch in LOCK (0).

2. Open the driver's door, and listen for the key-in reminder beeper.

Does the beeper sound?

YES -

Go to step 3.

NO -

Test the ignition key-in reminder circuit, and recheck.

3. Turn the ignition switch to ON (II).

4. Try to start the engine.

Does the engine start?

YES -

Go to step 5.

NO -

Go to the immobilizer symptom troubleshooting.�

5. Turn the ignition switch to LOCK (0).

6. Do the transmitter test Keyless Entry Transmitter Test.

Is the transmitter OK?

YES -

Replace the immobilizer-keyless control unit Service and Repair.�

NO -

Replace the transmitter.�