B1275

DTC B1275 ACCESSORY BUS BUFFER COMMUNICATION STOP

CIRCUIT DESCRIPTION

DTC Detection Condition:

This DTC is detected when communication between the BEAN bus buffer (telephone transceiver and speaker relay) and the gateway ECU stops for more than 10 seconds.

Wiring Diagram:

Step 1 - 2:

Step 3 - 4:

INSPECTION PROCEDURE