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

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

• 1. Immobilizer system check:

  - 1. Try to start the engine.

  Does the engine start?

  YES 

  Go to step 2.

  NO 

  Go to the immobilizer symptom troubleshooting .

• 2. Transmitter check:

  - 1. Turn the vehicle to the OFF (LOCK) mode.

  - 2. Test the transmitter .

  Is the transmitter OK?

  YES 

  Replace the immobilizer-keyless control unit .

  NO 

  Replace the transmitter, then register the new transmitter .