Multiplex Communication System
DIAGNOSTIC TROUBLE CODE CHARTIf a trouble code is displayed during DTC check, check the circuit corresponding to the code in the table given. Proceed to the respective "DTC Code" in the DTC Chart.
When DTCs indicating "+B or GND short malfunction of communication bus" (B1214, B1215, etc.) are detected at the same time as DTCs indicating "communication stop" (B1200, B1207, etc.), repair DTCs indicating "+B or GND short malfunction of communication bus" first.
