No Answer-Back (Hazard Warning Lamp and Wireless Door Lock Buzzer)

NO ANSWER-BACK (HAZARD WARNING LAMP AND WIRELESS DOOR LOCK BUZZER)

CIRCUIT DESCRIPTION
In some cases, wireless control functions are normal but the hazard warning lamp and wireless door lock buzzer answer-back functions are not. In such cases, the multiplex network body ECU's hazard warning lamp and wireless door lock buzzer signal outputs may be malfunctioning.

NOTE: Troubleshooting should be started after confirming that the answer-back function has been switched ON.

Wiring Diagram:

Step 1 - 3:

Step 4 - 5:

INSPECTION PROCEDURE