Toyota CH-R Service Manual: Vehicle Speed Sensor Malfunction (B2415)

Toyota CH-R Service Manual / Lighting (ext) / Automatic Headlight Beam Level Control System / Vehicle Speed Sensor Malfunction (B2415)

DESCRIPTION

The headlight ECU sub-assembly LH receives signals indicating the vehicle speed signal from the brake actuator assembly (skid control ECU) using CAN communication. The headlight ECU sub-assembly LH stores DTC B2415.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Note

B2415

Vehicle Speed Sensor Malfunction

Malfunction in vehicle speed signal
  • Headlight ECU sub-assembly LH
  • Brake actuator assembly (skid control ECU)

-

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • Confirm that there are no CAN communication system malfunctions before performing the following inspection.

    Click here

  • If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.

    Click here

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Click here

Body Electrical > HL AutoLeveling > Clear DTCs
NEXT

2.

CHECK FOR DTC

(a) Turn the ignition switch to ON.

(b) Check for DTCs.

Click here

Body Electrical > HL AutoLeveling > Trouble Codes

OK:

DTC B2415 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

3.

CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM)

(a) Check for DTCs.

Click here

Chassis > ABS/VSC/TRAC/EPB > Trouble Codes

OK:

Vehicle stability control system DTCs are not output.

OK

REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH

NG

GO TO VEHICLE STABILITY CONTROL SYSTEM

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