Back-Up Communication Bus Malfunction (Between Driver Side J/B ECU and Luggage Room J/B ECU)

DTC B1268 BACK-UP COMMUNICATION BUS MALFUNCTION (BETWEEN DRIVER SIDE J/B ECU AND LUGGAGE ROOM J/B ECU)

CIRCUIT DESCRIPTION

DTC Detecting Condition:

This DTC is output when (+)B or GND short occurs on back-up communication bus.

Wiring Diagram:

Step 1 - 3:

Step 3 (Continued):

INSPECTION PROCEDURE