B2074

PRE-COLLISION: PRE-COLLISION SYSTEM: B2074,B2075: Driver Side Seat Belt Buckle Switch Circuit Malfunction
B2075 - Passenger Side Seat Belt Buckle Switch Circuit Malfunction

DESCRIPTION

The seat belt control ECU receives buckle switch condition information from the center airbag sensor through the CAN communication line and controls the pre-collision system.

This code is output when a buckle switch malfunction signal is received from the airbag system.

When DTC B2074 is detected, DTC B1655 is also output.

When DTC B2075 is detected, DTC B1650 is also output.





INSPECTION PROCEDURE

NOTICE:
* If DTC B1655 is not cleared first, DTC B2074 continues to be output.
* If DTC B1650 is not cleared first, DTC B2075 continues to be output.

PROCEDURE

1. CHECK FOR DTC (AIRBAG SYSTEM)

(a) Check for DTC DTC Check / Clear.

Result





B -- GO TO AIRBAG SYSTEM How To Proceed With Troubleshooting

A -- REPLACE SEAT BELT CONTROL ECU Removal