Dtc B2452 Height Control Sensor Data Out Of Range When Initializing


DESCRIPTION

INSPECTION PROCEDURE

PERFORM HEADLIGHT LEVELING ECU INITIALIZATION

CHECK FOR DTC

DTC B2452 Height Control Sensor Data Out of Range When Initializing


DESCRIPTION

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

DTC Code
DTC Detection Condition
Trouble Area
B2452
Value from rear height control sensor is out of the normal range when initializing.
  1. Vehicle condition when initializing
  2. Headlight leveling ECU assembly

INSPECTION PROCEDURE

HINT:
After replacing the headlight leveling ECU, initialization of the ECU is necessary (Toyota Fortuner RM000002CE402CX.html).
1.PERFORM HEADLIGHT LEVELING ECU INITIALIZATION

  1. Perform initialization of the headlight leveling ECU (Toyota Fortuner RM000002CE402CX.html).

    HINT:
    1. Before initializing, make sure that the vehicle condition is proper for initialization.
    2. Be sure to perform the initialization as instructed.

NEXT


2.CHECK FOR DTC

  1. Check for DTCs (Toyota Fortuner RM000002WP401BX.html).

    OK:
    DTC B2452 output does not occur.
    HINT:
    If the headlight leveling ECU sets B2452 even though the ECU has been initialized as instructed, there may be a malfunction in the headlight leveling ECU.


NG
REPLACE HEADLIGHT LEVELING ECU ASSEMBLY (Toyota Fortuner RM000000ZQ500LX.html)
OK

END