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

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


Wiring Diagram:






CIRCUIT DESCRIPTION
If there is no answer-back in spite of the fact that the wireless door lock and unlock function is operating, there might be an abnormality in the outputs of the hazard lamp signal from the body ECU and also in the outputs of the wireless door lock buzzer.

NOTE: The troubleshooting should be started after the confirmation that the hazard answer-back function is customized.



INSPECTION PROCEDURE


Step 1 - 3:




Step 4 - 5:




When using hand-held tester:



Step 1 - 3:




Step 4:




When not using hand-held tester: