Pre-Collision System

PRE-COLLISION: PRE-COLLISION SYSTEM: U0122, U0151: Lost Communication with Vehicle Stability Control Module
U0151 - Lost Communication with Airbag ECU

DESCRIPTION

The seat belt control ECU receives signals from the master cylinder solenoid (skid control ECU) and the center airbag sensor via the CAN communication line.





WIRING DIAGRAM

Refer to DTC U0122 (CAN communication system) CAN Communication System.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC (CAN COMMUNICATION SYSTEM)

(a) Use the Techstream to check if the CAN communication system is functioning normally How to Proceed With Troubleshooting.

OK:

DTC is not output.

NG -- GO TO CAN COMMUNICATION SYSTEM (DIAGNOSIS SYSTEM) Diagnosis System

OK -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting