Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001G2BZ
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 12/2021]
Title: LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): B2450; Height Sensor Initialization Incomplete; 2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]

DTC

B2450

Height Sensor Initialization Incomplete

DESCRIPTION

The headlight ECU sub-assembly LH stores this DTC if initialization has not been performed after it was replaced.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Note

B2450

Height Sensor Initialization Incomplete

Detection condition:

  • The ignition switch is ON

Malfunction status:

  • Headlight ECU sub-assembly LH initialization not completed

Malfunction duration:

  • -

Headlight ECU sub-assembly LH

HL AutoLeveling

-

CAUTION / NOTICE / HINT

NOTICE:

If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.

Click here 2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): INITIALIZATION

PROCEDURE

1.

INITIALIZATION HEADLIGHT ECU SUB-ASSEMBLY LH

(a) Perform initialization of the headlight ECU sub-assembly LH.

Click here 2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): INITIALIZATION

NEXT

2.

CLEAR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / HL AutoLeveling / Clear DTCs.

(e) Clear the DTCs.

Body Electrical > HL AutoLeveling > Clear DTCs

NEXT

3.

CHECK FOR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.

(e) Check for DTCs.

Body Electrical > HL AutoLeveling > Trouble Codes

OK:

DTC B2450 is not output.

HINT:

If the headlight ECU sub-assembly LH stores DTC B2450 even though the ECU has been initialized, there may be a malfunction in the headlight ECU sub-assembly LH.

OK

END (INITIALIZATION WAS NOT COMPLETED)

NG

REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL