Up to 08/2009

PRE-COLLISION: PRE-COLLISION SYSTEM: C1A47: Steering Angle Sensor
C1A47 - Steering Angle Sensor

DESCRIPTION

The skid control ECU receives steering rotation angle information from the steering angle sensor, and sends the information to the driving support ECU through the CAN communication line.

When DTC C1A47 is detected, DTC C1433 is also stored in the "ABS/VSC/TRAC".





INSPECTION PROCEDURE

HINT
This circuit uses CAN communication. Therefore, be sure to check that the CAN communication system is normal before performing inspection How to Proceed With Troubleshooting.

PROCEDURE

1. CHECK DTC OUTPUT (VEHICLE STABILITY CONTROL SYSTEM)

(a) Check DTCs for vehicle stability control system Reading and Clearing Diagnostic Trouble Codes.

OK:

DTC C1433 is not output.

NG -- GO TO VEHICLE STABILITY CONTROL SYSTEM Vehicle Stability Control System
OK -- Continue to next step.

2. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM)

(a) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.

(b) Clear the DTCs Pre-Collision System.

(c) Drive the vehicle.

(d) Recheck for DTCs.

OK:

DTC C1A47 is not output.

NG -- REPLACE DRIVING SUPPORT ECU Removal

OK -- CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION
) How To Proceed With Troubleshooting