Lexus NX manuals

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

Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Automatic Headlight Beam Level Control System (for Triple Beam Headlight) / 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 leveling motor LH
  • 10 seconds or more

Headlight unit assembly LH

B2418

Headlight Beam Level Control Motor RH Malfunction
  • Power switch on (IG)
  • Malfunction in headlight leveling motor RH
  • 10 seconds or more

Headlight unit assembly RH

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 B2417 or B2418 is not output.

Result

Proceed to

OK

A

NG (DTC B2417 is output)

B

NG (DTC B2418 is output)

C
A

USE SIMULATION METHOD TO CHECK

B

REPLACE HEADLIGHT UNIT ASSEMBLY LH

C

REPLACE HEADLIGHT UNIT ASSEMBLY RH

READ NEXT:

 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

 Initialization has not been Performed (B2450)

DESCRIPTION The vehicle height must be initialized for the headlight ECU sub-assembly LH to perform auto leveling control. DTC No. Detection Item DTC Detection Condition Trouble Area B245

 Height Control Sensor Data Out of Range When Initializing (B2452)

DESCRIPTION The headlight ECU sub-assembly LH stores this DTC if the value from the rear height control sensor sub-assembly LH is out of range when performing initialization of the headlight ECU sub-a

SEE MORE:

 Components

COMPONENTS ILLUSTRATION *1 AIR CONDITIONING CONTROL ASSEMBLY *2 CENTER INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY *3 COWL SIDE TRIM BOARD LH *4 DOOR SCUFF PLATE ASSEMBLY LH *5 INSTRUMENT SIDE PANEL LH *6 INSTRUMENT SIDE PANEL RH *7 LOWER NO. 1 INSTRUMENT PANEL FINIS

 Initialization

INITIALIZATION Inspection After Repair Perform learning value reset and idle learning after replacing or servicing parts related to engine operation. Details on procedures required are indicated by an asterisk and a number, and are explained in detail following the table. Part Replaced Engine O

© 2016-2026 Copyright www.lexunx.com