No Answer-Back: Description
In some cases, wireless door lock control functions are normal but the hazard warning lights and wireless door lock buzzer are not. Malfunctions may be present in the main body ECU, certification ECU, hazard warning lights, and/or wireless door lock buzzer signal outputs.
NOTE:
- 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 function is set to the default setting.
- Check that DTC B1242 is not output.