Lexus NX: Diagnostic Trouble Code Chart
Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Automatic High Beam System / Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Automatic High Beam System| DTC No. | Detection Item | Link |
|---|---|---|
| B124B | Automatic High Beam System | |
| B124C | Automatic High Beam Camera | |
| U023A | Lost Communication with Front Camera Module | |
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Vehicle Control History
VEHICLE CONTROL HISTORY CHECK VEHICLE CONTROL HISTORY HINT: The vehicle control history data stores the history of the reject function and system protection operations.
for Triple Beam Headlight:
C
Automatic High Beam System (B124B)
DESCRIPTION The main body ECU (multiplex network body ECU) determines the status of the automatic high beam system based on the automatic high beam system signal from the forward recognition camera.
Automatic High Beam Camera (B124C)
DESCRIPTION The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera. DTC No.
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Inspection
INSPECTION PROCEDURE 1. PRECAUTION NOTICE: After performing the following check, initialize the fold seat control ECU (initial position reset and initial position memorization). Click here 2. INSPECT REAR SEATBACK FRAME SUB-ASSEMBLY LH (a) Check the operation of the reclining motor. (1) Apply auxi
Diagnosis System
DIAGNOSIS SYSTEM DIAGNOSIS MODE FUNCTION (a) w/ Lane Centering Function: When a malfunction occurs in the lane tracing assist system system, the LTA indicator light illuminates yellow and a message is displayed on the multi-information display. Warning Message Details DTC/RoB LTA Indicator
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