Dtc B2452 Height Control Sensor Data Out Of Range When Initializing

Vehicle Exterior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Lighting (Ext). Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

PERFORM INITIALIZATION

CHECK FOR DTC

DTC B2452 Height Control Sensor Data Out of Range When Initializing


DESCRIPTION

The headlight leveling ECU*1 or headlight swivel ECU*2 stores this DTC if the sensor value received from the rear height control sensor LH is out of range when performing initialization of the headlight leveling ECU*1 or headlight swivel ECU*2; for example, the vehicle is not level or is being jacked up.
  1. *1: w/ Static Headlight Auto Leveling
  2. *2: w/ Dynamic Headlight Auto Leveling

DTC Code
DTC Detection Condition
Trouble Area
B2452
The sensor value received from the rear height control sensor LH is out of range when performing initialization.
  1. Vehicle condition when initializing
  2. Headlight leveling ECU assembly (w/ Static Headlight Auto Leveling)
  3. Headlight swivel ECU assembly (w/ Dynamic Headlight Auto Leveling)

INSPECTION PROCEDURE

NOTICE:
After replacing the headlight leveling ECU*1 or headlight swivel ECU*2, initialization of the ECU is necessary (Click here).
  1. *1: w/ Static Headlight Auto Leveling
  2. *2: w/ Dynamic Headlight Auto Leveling
1.PERFORM INITIALIZATION

  1. Perform initialization of the headlight leveling ECU*1 or headlight swivel ECU*2 (Click here).

    1. *1: w/ Static Headlight Auto Leveling
    2. *2: w/ Dynamic Headlight Auto Leveling
    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 (Click here).

    OK:
    DTC B2452 output does not occur.
    Result
    Result
    		Proceed to
    OK
    		A
    NG (w/ Static Headlight Auto Leveling)
    		B
    NG (w/ Dynamic Headlight Auto Leveling) (for LHD)
    		C
    NG (w/ Dynamic Headlight Auto Leveling) (for RHD)
    		D
    HINT:
    If the headlight leveling ECU*1 or headlight swivel ECU*2 stores DTC B2452 even though the ECU has been initialized as instructed, there may be a malfunction in the headlight leveling ECU*1 or headlight swivel ECU*2.
    1. *1: w/ Static Headlight Auto Leveling
    2. *2: w/ Dynamic Headlight Auto Leveling


B
REPLACE HEADLIGHT LEVELING ECU ASSEMBLY (Click here)

C
REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY (Click here)

D
REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY (Click here)
A

END