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. |
|
PROCEDURE
| 1. | CHECK FOR DTC |
(a) Clear the DTCs.
Click here .gif)
(b) Check for DTCs.
Click here
OK:
DTC U023A is not output.
| OK | .gif) | 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
Components
COMPONENTS ILLUSTRATION *1 AUTOMATIC LIGHT CONTROL SENSOR *2 NO. 1 SPEAKER OPENING COVER ASSEMBLY
SEE MORE:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect
Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Rear Seat Heater - - *1 AIR CONDITIONING CONTROL ASSEMBLY *2 SEAT HEATER SWITCH (for Driver Side) *3 SEAT HEATER SWITCH (for Front Passenger Side) *4 NO. 3 RELAY BLOCK
- RR S-HTR RELAY (w/ Rear Seat Heater)
*5 REFRESHING SEA
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