Lexus NX: Steering Position Sensor Malfunction (B2414)
DESCRIPTION
The headlight ECU sub-assembly LH receives steering angle signals from the steering sensor.
The headlight ECU sub-assembly LH outputs DTC B2414.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2414 | Steering Position Sensor Malfunction | Steering angle sensor malfunction |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this DTC.
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After the headlight ECU sub-assembly LH is replaced, vehicle information registration and initialization are necessary.
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The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.
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PROCEDURE
| 1. | CHECK FOR DTC |
(a) Clear the DTCs.
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(b) Check for DTCs.
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OK:
DTC B2414 output does not occur.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
|
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| 2. | REPLACE STEERING SENSOR |
(a) Temporarily replace the steering sensor with a new or normally functioning one.
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|
| 3. | CHECK FOR DTC |
(a) Clear the DTCs.
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(b) Check for DTCs.
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OK:
DTC B2414 output does not occur.
| OK | | END (STEERING SENSOR WAS DEFECTIVE) |
| NG | | REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
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Open in IG Circuit (B242E)
DESCRIPTION This DTC is output when there is a problem in the power supply for the headlight ECU sub-assembly RH. The headlight ECU sub-assembly LH outputs DTC B242E. DTC No. Detection Item DTC
Headlamp LH Circuit (B2439,B243A)
DESCRIPTION This DTC is output when the headlight ECU sub-assembly receives an abnormal signal from the headlight unit. The headlight ECU sub-assembly LH outputs DTC B2439 and B243A DTC No. Detec
SEE MORE:
Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / AFS / Trouble Codes. Body Electrical > AFS > Trouble Codes (e) Check for DTCs. CLEAR DTC (a) Connect the Techs
Components
COMPONENTS ILLUSTRATION *A w/o AVS - - *1 REAR NO. 1 SHOCK ABSORBER BRACKET LH *2 REAR SHOCK ABSORBER ASSEMBLY LH *3 REAR SUSPENSION ARM COVER LH - N*m (kgf*cm, ft.*lbf): Specified torque * For use with ball joint lock nut wrench ILLUSTRATION *A
