Lexus NX: Lost Communication with Front Camera Module (U023A)

Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Automatic High Beam System / Lost Communication with Front Camera Module (U023A)

DESCRIPTION

These DTCs are stored when the CAN communication system is malfunctioning.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U023A

Lost Communication with Front Camera Module

The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for approximately 10 seconds or more.

  • CAN communication system
  • Forward recognition camera
  • Main body ECU (multiplex network body ECU)

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Click here

Body Electrical > Main Body > Clear DTCs

(b) Check for DTCs.

Click here

Body Electrical > Main Body > Trouble Codes

OK:

DTC U023A is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

GO TO CAN COMMUNICATION SYSTEM

READ NEXT:

 Automatic High Beam System does not Operate or Operation Indicator does not Illuminate

DESCRIPTION The main body ECU (multiplex network body ECU) controls the automatic high beam system based on signals received from the forward recognition camera. WIRING DIAGRAM CAUTION / NOTICE / HIN

 Automatic Light Control Sensor

 Components

COMPONENTS ILLUSTRATION *1 AUTOMATIC LIGHT CONTROL SENSOR *2 NO. 1 SPEAKER OPENING COVER ASSEMBLY

SEE MORE:

 Components

COMPONENTS ILLUSTRATION *1 COLUMN HOLE COVER SILENCER SHEET *2 COMBINATION SWITCH ASSEMBLY WITH SPIRAL CABLE SUB-ASSEMBLY *3 ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY *4 LOWER STEERING COLUMN COVER *5 NO. 1 AIR DUCT *6 NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY *7

 Dtc Check / Clear

DTC CHECK / CLEAR DTC CHECK USING Techstream (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 / ASC / Trouble Codes. (e) Check for DTCs. Click here Body Electrical > ASC > Trouble Codes DTC CL

© 2016-2024 Copyright www.lexunx.com