B1289

DTC B1289 Passenger Seat ECU Communication Stop

SYSTEM DESCRIPTION

DTC Detection Condition:

This DTC is detected when communication between the position control ECU and switch (passenger ECU) and network gateway ECU stops for more than 10 seconds.

HINT: When "+B of GND short malfunction of communication bus" DTCs (B1214 and B1215) are detected at the same time as "communication stop" DTC B1289, repair the "+B or GND short malfunction of communication bus" DTCs first.

Wiring Diagram:

Step 1-2:

Step 3:

INSPECTION PROCEDURE