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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SEE MORE:
Removal
REMOVAL CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. PRECAUTION CAUTION: Be sure to read Precaution thoroughly before
Removal
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