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:

- Before troubleshooting, check the B-CAN DTCs. If any DTCs are indicated, refer to B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A troubleshoot the indicated DTCs first.
- If the LOCK and UNLOCK buttons work OK, but the PANIC button does not, see the troubleshooting for the horn does not sound and/or the headlights do not flash when the PANIC button on the transmitter is pressed The Horn Does Not Sound and/or The Headlights Do Not Flash When The Panic Button On The Transmitter Is Pressed.

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 Reminder Systems (Drivers MICU and Gauge Control Module) Input Test, and recheck.

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

4. Start the engine.

Does the engine start?

YES -

The immobilizer system is OK, go to step 5.

NO -

Go to the immobilizer symptom troubleshooting.

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

6. Do the transmitter test.

Is the transmitter OK?

YES -

Replace the immobilizer-keyless control unit Service and Repair.

NO -

Replace the transmitter Service and Repair.