B2415

LIGHTING: LIGHTING SYSTEM: B2415: Vehicle Speed Sensor Malfunction
B2415 - Vehicle Speed Sensor Malfunction

DESCRIPTION

The AFS ECU receives signals indicating the front 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. CLEAR DTC

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

NEXT -- Continue to next step.

2. CHECK DTC

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

OK:

DTC B2415 output does not occur.

NG -- CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)

OK -- NORMAL

3. CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)

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

Result





B -- GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM Electronically Controlled Brake System

A -- REPLACE AFS ECU Removal