B1200

DTC B1200 MPX Body ECU Stop

DESCRIPTION

DTC Detection Condition:

This DTC is detected when communication between the main body ECU RH (cowl side J/B RH) and gateway ECU stops for more than 10 seconds.

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

Wiring Diagram:

Step 1:

Step 1(continued)-2:

Step 3:

INSPECTION PROCEDURE