B2452

LIGHTING (EXT): AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM: B2452: Height Control Sensor Data Out of Range When Initializing
B2452 - Height Control Sensor Data Out of Range When Initializing

DESCRIPTION

The headlight leveling ECU assembly stores this DTC if the sensor value received from the height control sensor is out of range when performing initialization of the headlight leveling ECU assembly; for example, the vehicle is not level or being jacked up.





INSPECTION PROCEDURE

NOTICE:
If the headlight leveling ECU assembly has been replaced, initialization of the headlight leveling ECU assembly is necessary Automatic Headlight.

PROCEDURE

1. PERFORM INITIALIZATION

(a) Perform initialization of the headlight leveling ECU assembly Automatic Headlight.

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.

NEXT -- Continue to next step.

2. RECHECK FOR DTC

(a) Using the Techstream, recheck for DTCs Automatic Headlight.

Result:





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.

B -- REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Removal

A -- END