Wireless Door Lock Buzzer Circuit

WIRELESS DOOR LOCK BUZZER CIRCUIT

CIRCUIT DESCRIPTION

When the answer-back function does not operate even though the wireless door LOCK/UNLOCK function is operating, the theft warning ECU's (theft deterrent ECU's) wireless door lock buzzer outputs may be abnormal.

NOTE: Before troubleshooting, confirm that the wireless door lock buzzer controller switch is not set to OFF and that the wireless buzzer volume is not OFF.

Wiring Diagram:

Step 1 - 2:

Step 3:

INSPECTION PROCEDURE