B2415

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

DTC 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
NOTE:
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. How To Proceed With Troubleshooting

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
2. CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM)
(a) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.
OK:
DTC "C0200/31 Front Speed Sensor RH Circuit", "C0205/32 Front Speed Sensor LH Circuit", "C1235/35 Foreign Object is Attached on Top of Front Speed Sensor RH", and "C1236/36 Foreign Object is Attached on Top of Front Speed Sensor LH" output does not occur.
NG -- GO TO VEHICLE STABILITY CONTROL SYSTEM
OK -- REPLACE AFS ECU