Lexus NX: 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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 Main Switch Circuit

DESCRIPTION The headup display switch assembly and meter mirror sub-assembly are connected via direct line. The meter mirror sub-assembly can be turned off and on by operating the headup display switchassembly. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (MAIN SWITCH) (a) Conne

 Visual Mute Signal Circuit between Radio Receiver and Multi-display

DESCRIPTION The radio receiver assembly sends a visual mute signal to the multi-display assembly. As a result, a black screen is inserted when the screen changes so that noise and distorted images are not displayed. When an open exists in the circuit, noise and distorted images will be displayed ins

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