Multiplex Communication System

DIAGNOSTIC TROUBLE CODE CHART

B1200 - B1204:

If a malfunction code is displayed during DTC check, check the circuit corresponding to the code in the table.

HINT: When "+B or GND short malfunction of communication bus" DTCs (B1214, B1215, etc.) are detected at the same time as "communication stop" DTCs (B1211, B1212, etc.), please repair the "+B or GND short malfunction of communication bus" DTCs first.