Lexus NX: 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.
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PROCEDURE
| 1. | VEHICLE INFORMATION HEADLIGHT ECU SUB-ASSEMBLY LH |
(a) Register vehicle information for the headlight ECU sub-assembly LH.
Click here
|
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| 2. | CHECK FOR DTC |
(a) Clear the DTCs.
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(b) Turn the power switch on (IG).
(c) Check for DTCs.
Click here
OK:
DTC B2451 output does not occur.
| OK | .gif) | END (NORMAL AFTER VEHICLE INFORMATION REGISTERED) |
| NG | | REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
READ NEXT:
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
Left Headlight ECU Variation Error (B2456)
DESCRIPTION This DTC is output when a headlight ECU sub-assembly LH that is incompatible with the vehicle is installed. The headlight ECU sub-assembly LH outputs DTC B2456. DTC No. Detection Item
Control Module Communication Bus "A" Off (U0073,U0100,U0101,U0126,U0129,U0142,U0155,U0293)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area U0073 Control Module Communication Bus "A" Off Bus off condition is detected. CAN communication system U0
SEE MORE:
Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT SEAT ADJUSTER ASSEMBLY LH (w/o Memory) (a) Check the operation of the slide motor. (1) Apply auxiliary battery voltage to the slide motor connector, and check that the front seat adjuster assembly LH operates smoothly as follows. OK: Condition Specified
Components
COMPONENTS ILLUSTRATION *1 DECK BOARD ASSEMBLY *2 DECK FLOOR BOX LH *3 NO. 3 DECK BOARD SUB-ASSEMBLY *4 REAR DECK FLOOR BOX *5 NEGATIVE AUXILIARY BATTERY TERMINAL - - N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 DECK FLOOR BOX RH *2
