Toyota Venza: Height Control Sensor Data Out of Range When Initializing (B2452)

Toyota Venza Service Manual / Lighting (ext) / Lighting System / Height Control Sensor Data Out of Range When Initializing (B2452)

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.

DTC No.	DTC Detecting Condition	Trouble Area
B2452	Vehicle condition not specified when initializing	Vehicle condition when initializing Headlight leveling ECU assembly

CAUTION / NOTICE / HINT

NOTICE:

If the headlight leveling ECU assembly has been replaced, initialization of the headlight leveling ECU assembly is necessary (See page ).

PROCEDURE

1.	PERFORM INITIALIZATION

(a) Perform initialization of the headlight leveling ECU assembly (See page ).

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.

2.	RECHECK FOR DTC

(a) Using the Techstream, recheck for DTCs.

Result	Proceed to
DTC B2452 is not output.	A
DTC B2452 is output.	B

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.

END

REPLACE HEADLIGHT LEVELING ECU ASSEMBLY

Vehicle Speed Sensor Malfunction (B2415)

DESCRIPTION The AFS ECU (headlight swivel ECU assembly) receives signals indicating the front right wheel speed from the skid control ECU using CAN communication. DTC No. DTC ...

Variation Error (B2453)

DESCRIPTION This DTC is stored if the headlight leveling ECU assembly for another destination is installed on the vehicle. DTC No. DTC Detecting Condition Trouble ...

Other materials about Toyota Venza:

Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION (a) The power back door ECU (power back door motor unit) controls the power back door system functions. Power back door system data and Diagnostic Trouble Code (DTC) can be read through the Data Link Connector 3 (DLC3). W ...

Rear Power Window RH Auto Up / Down Function does not Operate with Rear Power Window Switch RH
DESCRIPTION If the manual up/down function can be performed but the auto up/down function cannot, the fail-safe mode may be functioning. If the power window initialization (See page ) has not been performed, the auto up/down function will not operate. ...

Front Stabilizer Bar(for 1ar-fe 2wd)
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT FRONT STABILIZER LINK ASSEMBLY (a) Inspect the turning torque of the ball joint. (1) Secure the front stabilizer link assembly in a vise using aluminum ...