No Answer-Back

No Answer-Back

DESCRIPTION
In some cases, wireless door lock control functions are normal but the turn signal lights and wireless door lock buzzer are not. Malfunctions may be present in the main body ECU and/or certification ECU, turn signal lights, wireless door lock buzzer signal and/or wireless door lock buzzer controller signal outputs.

NOTE:
- Before performing the inspection, check that there are no problems related to the "LIN COMMUNICATION SYSTEM".
- Before performing the inspection, check that there are no problems related to the "CAN COMMUNICATION SYSTEM".
- When troubleshooting a function, first make sure that the answer-back functions are set to the default setting.
- Check that DTC B1242 is not output.
- If the certification ECU is replaced, the codes must be registered.

Wiring Diagram:

Step 1-3:

Step 3 (Continued)-4:

Step 5:

Step 6-7:

Step 8:

INSPECTION PROCEDURE