Lexus NX: Vehicle Specifications have not been Stored (B2451)

Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System (for Triple Beam Headlight) / Vehicle Specifications have not been Stored (B2451)

DESCRIPTION

This DTC is output if the vehicle variation information is not written to the headlight ECU sub-assembly LH.

The headlight ECU sub-assembly LH outputs DTC B2451.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B2451

Vehicle Specifications have not been Stored

Vehicle specification information not written

Headlight ECU sub-assembly LH

CAUTION / NOTICE / HINT

NOTICE:

After the headlight ECU sub-assembly LH is replaced, vehicle information registration and initialization are necessary.

Click here

PROCEDURE

1.

VEHICLE INFORMATION HEADLIGHT ECU SUB-ASSEMBLY LH

(a) Register vehicle information for the headlight ECU sub-assembly LH.

Click here

NEXT

2.

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 B2451 output does not occur.

OK

END (NORMAL AFTER VEHICLE INFORMATION REGISTERED)

NG

REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH

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