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

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

DESCRIPTION

If there is no answer-back of the hazard warning lights and wireless door lock buzzer while the wireless control function is operating normally, the hazard light signal and the wireless door lock buzzer signal output from the body ECU may be malfunctioning.

NOTE: Confirm that the answer-back function has been switched on as a result of customization before starting troubleshooting.

Wiring Diagram:

INSPECTION PROCEDURE

Step 1-3:

Step 3 (Continued)-5:

Step 6:

When using intelligent tester:

Step 1:

Step 2-3:

Step 4:

When not using intelligent tester: