B1200

DTC B1200 MPX Body ECU Stop

DESCRIPTION

DTC Detection Condition:

This DTC is detected when communication between the multiplex network body ECU and multiplex network gateway ECU stops for more than 10 seconds.

Wiring Diagram:

Step 1:

Step 1 (Continued)-3:

Step 4:

INSPECTION PROCEDURE

HINT: When "+B of GND short malfunction of communication bus" DTCs (B1214, B1215, etc.) are detected at the same time as "communication stop" DTC B1200, repair the "+B or GND short malfunction of communication bus" DTCs first.