Lexus NX manuals

Lexus NX: Vehicle Speed Sensor Malfunction (B2415)

Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Automatic Headlight Beam Level Control System (for Triple Beam Headlight) / Vehicle Speed Sensor Malfunction (B2415)

DESCRIPTION

The headlight ECU sub-assembly LH receives speed signals from the brake booster with master cylinder assembly (skid control ECU) via CAN communication and performs light control.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B2415

Vehicle Speed Sensor Malfunction
  • Power switch on (IG)
  • Wheel speed sensor invalid signals are continuously received from the brake booster with master cylinder assembly (skid control ECU)
  • 10 seconds or more

Electronically controlled brake system

WIRING DIAGRAM

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Click here

Body Electrical > AFS > Clear DTCs

(b) Turn the power switch on (IG) and wait for at least 10 seconds or more.

(c) Check for DTCs.

Click here

Body Electrical > AFS > Trouble Codes

OK:

DTC B2415 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

READ NEXT:

 Height Control Sensor Malfunction (B2416,B241A)

DESCRIPTION The headlight ECU sub-assembly LH supplies 5 V to the rear height control sensor LH, reads changes in the voltage that occur due to height sensor resistance changes according to the vehicl

 Headlight Beam Level Control Motor LH Malfunction (B2417,B2418)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area B2417 Headlight Beam Level Control Motor LH Malfunction Power switch on (IG) Malfunction in headlight

 Headlight Leveling Motor LH Communication Malfunction (B2424,B2410,B2411,B2425)

DESCRIPTION Each headlight ECU sub-assembly and headlight swivel and leveling motor communicate via LIN communication. The headlight swivel and leveling motor operates according to power supplied and

SEE MORE:

 Seat Belt Buckle Switch (LH) (B1656)

DESCRIPTION The seat belt buckle switch LH circuit consists of the airbag ECU assembly and front seat inner belt assembly LH. DTC B1656 is stored when a malfunction is detected in the seat belt buckle switch LH circuit. DTC No. Detection Item DTC Detection Condition Trouble Area B1656

 Components

COMPONENTS ILLUSTRATION *A for 8 Inch Display *B for 10.3 Inch Display *1 CENTER INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY *2 CONSOLE ARMREST ASSEMBLY *3 INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY *4 INSTRUMENT PANEL FINISH PLATE *5 INSTRUMENT SIDE PANEL LH *6

© 2016-2025 Copyright www.lexunx.com