B2415

LIGHTING (EXT): LIGHTING SYSTEM: B2415: Vehicle Speed Sensor Malfunction
B2415 - Vehicle Speed Sensor Malfunction

DESCRIPTION

The headlight swivel ECU receives signals indicating the front right wheel speed from the skid control ECU 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 problem.

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 B2415 output does not occur.

NG -- CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM)

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

1. CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM)

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

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

OK:

DTCs output does not occur.

NG -- GO TO VEHICLE STABILITY CONTROL SYSTEM Vehicle Stability Control System

OK -- REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY