Lexus NX manuals

Lexus NX: Right Headlight ECU Variation Error (B2455)

Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System (for Triple Beam Headlight) / Right Headlight ECU Variation Error (B2455)

DESCRIPTION

This DTC is output when a headlight ECU sub-assembly RH that is incompatible with the vehicle is installed.

The headlight ECU sub-assembly LH outputs DTC B2455.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B2455

Right Headlight ECU Variation Error

Headlight ECU sub-assembly RH variation mismatch

Headlight ECU sub-assembly RH

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Click here

Body Electrical > AFS > Clear DTCs

(b) Turn the power switch on (IG).

(c) Check for DTCs.

Click here

Body Electrical > AFS > Trouble Codes

OK:

DTC B2455 output does not occur.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH

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 Removal

REMOVAL PROCEDURE 1. REMOVE NO. 1 SPEAKER OPENING COVER ASSEMBLY Click here 2. REMOVE AUTOMATIC LIGHT CONTROL SENSOR (a) Detach the 2 claws and remove the automatic light control sensor.

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