B2415

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

DTC 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 (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)
OK -- USE SIMULATION METHOD TO CHECK
2. CHECK FOR DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)
(a) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.
OK:
Electronically controlled brake system DTCs are not output.

NG -- GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM
OK -- REPLACE AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY)