Inspection Procedure

HINT: 

If "+B of GND short malfunction of communication bus" DTCs (B1214 and B1215) are detected at the same time as "communication stop" DTC B1278, repair the "+B or GND short malfunction of communication bus" DTCs first. Refer to DTC B1214: Short to B+ in Door System Communication Bus Malfunction; DTC B1215: Short to GND in Door System Communication Bus Malfunction .