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 Active torque control 4WD system data can be read in the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs. Therefore ...

System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Communication Line A/C amplifier ECM Magnetic clutch request signal*1 CAN Idle up reques ...

Terminals Of Ecu
TERMINALS OF ECU 1. TCM HINT: Each TCM terminal standard voltage is shown in the table below. In the table, first follow the information under "Condition". Look under "Terminal No. (Symbol)" for the terminals to be inspected. The st ...