B2058

PRE-COLLISION: PRE-COLLISION SYSTEM: B2058: Steering Angle Sensor
B2058 - Steering Angle Sensor

DESCRIPTION

This DTC is output when a malfunction in the steering angle sensor is detected. This circuit consists of the steering angle sensor and seat belt control ECU. Signals are sent from the steering sensor using CAN communication.





WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
When the seat belt control ECU is replaced with a new one, INITIALIZATION must be performed Pre-Collision System.

PROCEDURE

1. CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM)

(a) Clear the DTCs Pre-Collision System.

(b) Recheck for DTCs.

OK:

CAN communication system DTC is not output.

NG -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
OK -- Continue to next step.

2. CHECK DTC OUTPUT (VEHICLE STABILITY CONTROL SYSTEM)

(a) Turn the engine switch off.

(b) Turn the engine switch on (IG) again.

(c) Drive the vehicle and turn the steering wheel to the right and left at a speed of 22 mph (35 km/h) or more.

(d) Check DTC for vehicle stability control system Reading and Clearing Diagnostic Trouble Codes.

OK:

Vehicle stability control system DTC is not output.

NG -- GO TO VEHICLE STABILITY CONTROL SYSTEM Diagnostic Trouble Code Descriptions
OK -- Continue to next step.

3. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM)

(a) Clear the DTCs Pre-Collision System.

(b) Recheck for DTCs.

OK:

DTC B2058 is not output.

NG -- REPLACE SEAT BELT CONTROL ECU

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