DTC B2451: Variation Code not Written [11/2018 - 12/2021]: Procedure
WARNING: This page is about a different car, the 2021 Toyota RAV4, 2020 Toyota RAV4, and 2019 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
- SYNCHRONIZE VEHICLE INFORMATION
- Synchronize the vehicle information.
Refer to INITIALIZATION [11/2018 - 12/2021]
Result
Proceed to NEXT
Result:
NEXT
See step 2
- Synchronize the vehicle information.
- CLEAR DTC
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: Body Electrical / HL AutoLeveling / Clear DTCs.
- Clear the DTCs.
Body Electrical > HL AutoLeveling > Clear DTCs
Result
Proceed to NEXT
Result:
NEXT
See step 3
- CHECK FOR DTC
- Connect the Techstream to the DLC3.
- Turn the ignition switch to ON.
- Turn the Techstream on.
- Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.
- Check for DTCs.
Body Electrical > HL AutoLeveling > Trouble Codes
OK
DTC B2451 is not output.
HINT:
If the headlight ECU sub-assembly LH stores DTC B2451 even though the vehicle information has been synchronized, the headlight ECU sub-assembly LH may be malfunctioning.
Result
Proceed to OK NG
Result:
OK
END (VEHICLE SPECIFICATIONS WERE NOT STORED)
Result:
NG
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 12/2021]