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:
Open in Rear Floor Electrical Key Oscillator Circuit (B27A6)
DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the No. 2 indoor electrical key antenna assembly (rear floor). For the No. 2 indoor electrical key antenna assembly (rear floor) to detect when the electrical key transmitter sub-assembl
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. INSTALL OUTER REAR VIEW MIRROR ASSEMBLY LH (a) Attach the claw to temporarily install the outer rear view mirror assembly LH. (b) Install the
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