Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Steering Position Sensor (B2414)

DESCRIPTION

The No. 1 headlight ECU sub-assembly LH receives steering angle signals from the steering sensor via CAN communication and performs light control.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

B2414

Steering Position Sensor

  • The engine switch is on (IG).
  • Sensor malfunction signals are continuously received from the steering sensor
  • 5 seconds or more

Vehicle stability control system

No. 1 headlight ECU sub-assembly LH

WIRING DIAGRAM

PROCEDURE

1.

CONFIRM MODEL

(a) Choose the model to be inspected.

Result

Proceed to

for Multiple Beam Headlight

A

for Single Beam Headlight

B

B

GO TO STEP 4

A

2.

CLEAR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / AFS / Trouble Codes.

(e) Clear the DTCs.

Body Electrical > AFS > Clear DTCs
NEXT

3.

CHECK FOR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Wait 10 seconds or more.

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / AFS / Trouble Codes.

(f) Check for DTCs.

Body Electrical > AFS > Trouble Codes

OK:

DTC B2414 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

GO TO VEHICLE STABILITY CONTROL SYSTEM

4.

CLEAR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.

(e) Clear the DTCs.

Body Electrical > HL AutoLeveling > Clear DTCs
NEXT

5.

CHECK FOR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Wait 10 seconds or more.

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.

(f) Check for DTCs.

Body Electrical > HL AutoLeveling > Trouble Codes

OK:

DTC B2414 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

GO TO VEHICLE STABILITY CONTROL SYSTEM

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