DTC B2452: Height Control Sensor Data Out of Range When Initializing [04/2013 - 10/2016]: Procedure
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2020 Lexus IS 350, 2020 Lexus IS 300, 2019 Lexus IS 350, 2019 Lexus IS 300, and 2018 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
- PERFORM INITIALIZATION
- Perform initialization of the headlight leveling ECU assembly.
Refer to INITIALIZATION [04/2013 - 10/2016]
HINT:
- Before initializing the headlight leveling ECU assembly, make sure that the vehicle condition is proper for initialization.
- Be sure to perform initialization as instructed.
Result
Proceed to NEXT
Result:
NEXT
See step 2
- Perform initialization of the headlight leveling ECU assembly.
- RECHECK FOR DTC
- Using the Techstream, recheck for DTCs.
Refer to DTC CHECK / CLEAR [04/2013 - 09/2020]
Body Electrical > HL AutoLeveling > Trouble Codes
OK
DTC B2452 is not output.
HINT:
If the headlight leveling ECU assembly stores DTC B2452 even though the ECU has been initialized as instructed, there may be a malfunction in the headlight leveling ECU assembly.
Result
Proceed to OK NG
Result:
OK
END
Result:
NG
REPLACE HEADLIGHT LEVELING ECU ASSEMBLY. Refer to REMOVAL [04/2013 - 10/2016]
- Using the Techstream, recheck for DTCs.