Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - LIGHTING EXT

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: w/ Static Headlight Auto Leveling
*2: w/ Dynamic Headlight Auto Leveling
DTC CodeDTC Detection ConditionTrouble Area
B2452The sensor value received from the rear height control sensor LH is out of range when performing initialization.
Vehicle condition when initializing
Headlight leveling ECU assembly (w/ Static Headlight Auto Leveling)
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 ().
*1: w/ Static Headlight Auto Leveling
*2: w/ Dynamic Headlight Auto Leveling
1.PERFORM INITIALIZATION

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

*1: w/ Static Headlight Auto Leveling
*2: w/ Dynamic Headlight Auto Leveling
  • HINT:
Before initializing, make sure that the vehicle condition is proper for initialization.
Be sure to perform the initialization as instructed.
NEXT
2.CHECK FOR DTC

Check for DTCs ().

  • OK:
  • DTC B2452 output does not occur.
Result
ResultProceed to
OKA
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: w/ Static Headlight Auto Leveling
*2: w/ Dynamic Headlight Auto Leveling
B
REPLACE HEADLIGHT LEVELING ECU ASSEMBLY ()
C
REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY ()
D
REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY ()
A
END
LIGHTING EXT
Land Cruiser URJ200 URJ202 GRJ200 VDJ200
LIGHTING SYSTEM