Vehicle Speed Sensor Malfunction (B2415)

The AFS ECU (headlight swivel ECU assembly) receives signals indicating the front right wheel speed from the skid control ECU using CAN communication.

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.

1. CHECK FOR DTC

(a) Clear the DTCs (See page ).

(b) Check for DTCs (See page ).

OK:

DTC B2415 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

1. CHECK FOR DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)

(a) Check for DTCs (See page ).

OK:

Electronically controlled brake system DTCs are not output.

OK

REPLACE AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY)

NG

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM