B2058

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

DESCRIPTION

This DTC is stored 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 angle sensor through CAN communication.





INSPECTION PROCEDURE

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

PROCEDURE

1. CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM)

(a) Clear the DTCs Pre-Collision System.

(b) Turn the cruise control main switch on.

(c) Drive the vehicle at a speed for which cruise control operation is possible.

(d) Recheck for DTCs.

OK:

CAN communication system DTC is not output.

NG -- GO TO CAN COMMUNICATION SYSTEM
OK -- Continue to next step.

2. CHECK DTC OUTPUT (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)

(a) Turn the power switch off.

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

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

(d) Check DTC for electronically controlled brake system Reading and Clearing Diagnostic Trouble Codes.

OK:

Electronically controlled brake system DTC is not output.

NG -- GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM
OK -- Continue to next step.

3. REPLACE DISTANCE CONTROL ECU

(a) Replace the distance control ECU Removal.

(b) Initialize the distance control ECU Installation.

NEXT -- Continue to next step.

4. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM)

(a) Clear the DTC Pre-Collision System.

(b) Drive the vehicle.

(c) Recheck for DTCs.

OK:

DTC B2058 is not output.

NG -- REPLACE SEAT BELT CONTROL ECU

OK -- CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION)