Multiplex Communication System
DIAGNOSTIC TROUBLE CODE CHARTB1200-B1296:
If a trouble code is displayed during DTC check, check the circuit corresponding to the code in the table below. Proceed to the troubleshooting given for the circuit.
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.