B2415

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

DESCRIPTION

The AFS ECU (headlight swivel ECU assembly) 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 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 B2415 is not output.

NG -- CHECK FOR DTC (BRAKE CONTROL SYSTEM)

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

2. CHECK FOR DTC (BRAKE CONTROL SYSTEM)

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

OK:

Brake Control System DTCs are not output.

NG -- GO TO BRAKE CONTROL SYSTEM Electronically Controlled Brake System

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