Lexus NX: Problem Symptoms Table
Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Automatic High Beam System / Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
- When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
-
If the main body ECU (multiplex network body ECU) is replaced, refer to Registration.
Click here
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- When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.
-
If the forward recognition camera has been replaced with a new one, be sure to perform Forward Recognition Camera Learning.
for sequential recognition: Click here
for one time recognition: Click here
| Symptom | Suspected Area | Link |
|---|---|---|
| Automatic high beam system does not operate or automatic high beam indicator does not illuminate (low beam headlights and high beam headlights are normal) | Check millimeter wave radar sensor assembly | |
| Check Data List (Front Recognition Camera High Temperature 2) | ||
| Check auto high beam indicator light | ||
| Check Data List (Auto H Beam STS) | ||
| Check combination switch assembly (auto high beam main switch) | ||
| Harness or connector | ||
| Combination meter assembly | ||
| Forward recognition camera | ||
| Main body ECU (multiplex network body ECU) |
READ NEXT:
Terminals Of Ecu
TERMINALS OF ECU CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *1 Main Body ECU (Multiplex Network Body ECU) - - (a) Measure the voltage an
Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Automatic high beam system data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfu
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (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 / Main Body / Trouble
SEE MORE:
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (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 / Smart Access / Trouble Codes. Body Electrical > Smart Access > Trouble Codes (e) Check the details of the DTCs. Cl
Components
COMPONENTS ILLUSTRATION *1 INSTRUMENT SIDE PANEL LH *2 NO. 1 INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY *3 TRIP SWITCH (LIGHT CONTROL RHEOSTAT) - -
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