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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DESCRIPTION These DTCs are output when an internal malfunction in the headlight ECU sub-assembly occurs. The headlight ECU sub-assembly LH outputs DTC B242C and B242D. DTC No. Detection Item DT
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:
Removal
REMOVAL PROCEDURE 1. REMOVE SERVICE PLUG GRIP Click here 2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY Click here 3. REMOVE REAR ENGINE UNDER COVER RH Click here 4. REMOVE FAN AND GENERATOR V BELT Click here 5. DISCONNECT RADIATOR RESERVE TANK ASSEMBLY Click here 6. REMOVE AIR CLEANER C
Hybrid transmission
Select the shift position depending
on your purpose and situation.
Shift position purpose and functions
*1: To improve fuel efficiency and reduce
noise, shift the shift lever to D for normal
driving.
You can choose gear range suitable for
your driving situation by operating the
paddle shif
