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

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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

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 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / AFS / Trouble Codes. Body Electrical > AFS > Trouble Codes (e) Check for DTCs. CLEAR DTC (a) Connect the Techstrea

 Installation

INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. A bolt without a torque specification is shown in the standard bolt chart. Click here PROCEDURE 1. INSTALL REAR DOOR INSIDE LOCKING CABLE ASSEMBLY LH

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