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Key Reminder Buzzer Does Not Sound

Key Reminder Buzzer does not Sound

DESCRIPTION
The key reminder warning buzzer sounds when the driver side door is opened while the ignition switch in the LOCK or ACC positions. The key reminder warning buzzer is activated when the main body ECU sends a key switch signal and driver side courtesy switch signal to the combination meter.

Wiring Diagram:






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INSPECTION PROCEDURE

HINT: Since the key reminder warning system has functions that use CAN communication, firstly confirm that there is no malfunction in the communication system by inspecting the CAN communication functions in accordance with How to Proceed with Troubleshooting. Then, conduct the following troubleshooting procedure.