B1278
DTC B1278 Combination Switch ECU Communication StopDESCRIPTION
DTC Detection Condition:
This DTC is detected when communication between the combination switch (windshield wiper switch) and network gateway ECU stops for more than 10 seconds.
Wiring Diagram:
Step 1:
Step 1(Continued)-3:
Step 3(Continued):
INSPECTION PROCEDURE