Keyless Entry Transmitter Test

Keyless Entry Transmitter Test

NOTE:

- If the doors unlock or lock with the transmitter, but the LED on the transmitter does not come on, the LED is faulty; replace the transmitter.
- If any door is open, you cannot lock the doors with the transmitter.
- If you unlocked the doors with the transmitter, but do not open any of the doors within 30 to 90 seconds, the doors relock automatically.
- The doors do not lock/unlock, and panic does not work with the transmitter if the ignition key is inserted into the ignition switch.

With HDS

1. Press the transmitter lock or unlock button at least 10 times to reset the transmitter.

- If the locks work, the transmitter is OK.
- If any of the transmitter buttons do not work, replace the transmitter, then do the transmitter programming register Testing and Inspection.
- If the locks do not work, go to step 2.

2. Connect the HDS to the data link connector (DLC).

3. Select the KEYLESS TRANSMITTER from the BODY ELECTRICAL SYSTEM SELECT menu, next select the INSPECTION, then enter KEYLESS CHECK.

4. Follow the screen prompts to change to check each button operation.

NOTE: The door lock actuators may or may not cycle when receiving input from the transmitter.

- If KEYLESS ENTRY TRANSMITTER CODE IS RECEIVED is indicated, the transmitter is OK.
- If DIFFERENT KEYLESS ENTRY TRANSMITTER CODE IS RECEIVED is indicated, the transmitter is not registered to the vehicle, if necessary, reprogram and register the transmitter Testing and Inspection.
- If KEYLESS ENTRY TRANSMITTER CODE IS NOT RECEIVED is indicated, go to step 5.

5. Open the transmitter and check for water damage.

- If you find any water damage, replace the transmitter, then reprogram and register the new transmitter Testing and Inspection.
- If there is no water damage, go to step 6.





6. Replace the transmitter battery (A) with a new one, and press the lock or unlock button and check the response on the screen of the HDS.

- If KEYLESS ENTRY TRANSMITTER CODE IS RECEIVED is indicated, the transmitter is OK.
- If KEYLESS ENTRY TRANSMITTER CODE IS NOT RECEIVED is indicated, go to step 7.





7. Use a different known-good keyless transmitter assembly and repeat steps 3 and 4.

NOTE: The keyless transmitter does not need to be programmed to the vehicle for this test.

- If DIFFERENT KEYLESS ENTRY TRANSMITTER CODE IS RECEIVED is indicated, replace the keyless transmitter and do the immobilizer key registration Testing and Inspection.
- If KEYLESS ENTRY TRANSMITTER CODE IS NOT RECEIVED is indicated, the immobilizer-keyless control unit is faulty, replace it and do the immobilizer system registration Testing and Inspection.
NOTE: When the transponder is registered by the HDS, the keyless transmitter programming is completed automatically.

Without HDS

1. Start the engine.

- If the engine does not start, go to the immobilizer system symptom troubleshooting Immobilizer System Symptom Troubleshooting Index.
- If the engine starts, go to step 2.

2. Press the transmitter lock or unlock button at least 10 times to reset the transmitter.

- If the locks work, the transmitter is OK.
- If the locks do not work, go to step 3.

3. Open the transmitter and check for water damage.

- If you find any water damage, replace the transmitter and register the new transmitter Testing and Inspection.
- If there is no water damage, go to step 4.





4. Replace the transmitter battery (A) with a new one, and try to lock and unlock the doors with the transmitter by pressing the lock or unlock button at least 10 times.

- If the doors lock and unlock, the transmitter is OK.
- If the doors do not lock and unlock, go to step 5.





5. Reprogram and register the transmitter Testing and Inspection, then try to lock and unlock the doors.

- If the doors lock and unlock, the transmitter is OK.
- If the doors do not lock and unlock, substitute a known-good transmitter and recheck Testing and Inspection. If still not operating, replace the immobilizer-keyless control unit Service and Repair.