Up to 08/2009

LIGHTING (EXT): LIGHTING SYSTEM: B2414: Steering Position Sensor Malfunction
B2414 - Steering Position Sensor Malfunction

DESCRIPTION

The AFS ECU (headlight swivel ECU assembly) receives signals indicating the swerve-angle from the steering angle sensor (spiral cable sub-assembly) using CAN communication.





WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this symptom.

PROCEDURE

1. CHECK FOR DTC

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

OK:

DTC B2414 is not output.

NG -- REPLACE STEERING ANGLE SENSOR (SPIRAL CABLE SUB-ASSEMBLY)

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

2. REPLACE STEERING ANGLE SENSOR (SPIRAL CABLE SUB-ASSEMBLY)

(a) Temporarily replace the steering angle sensor (spiral cable sub-assembly) with a new or normally functioning one Components.

NEXT -- Continue to next step.

3. CHECK FOR DTC

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Recheck for DTCs Reading and Clearing Diagnostic Trouble Codes.

OK:

DTC B2414 is not output.

NG -- REPLACE AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY) Components

OK -- END