Lexus NX: Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
- Use the same procedure for the RH and LH sides.
- The procedure described below is for the LH side.
PROCEDURE
1. INSTALL HEADLIGHT ASSEMBLY LH
| (a) w/o Headlight ECU: Connect the 2 connectors and attach the wire harness clamp. |
|
(b) w/ Headlight ECU:
Connect the connector and lock the connector lock lever.
(c) Attach the guide to set the headlight assembly LH.
(d) Connect the seat of the screw at the location indicated by the white arrow shown in the illustration and set the headlight assembly LH in place.
(e) Install the bolt and 3 screws.
Torque:
for Bolt :
5.4 N·m {55 kgf·cm, 48 in·lbf}
2. INSTALL FRONT BUMPER ASSEMBLY
(a) except Sport Package:
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(b) for Sport Package:
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3. ADJUST HEADLIGHT AIMING
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4. PERFORM INITIALIZATION (When Replacing The Headlight Assembly LH or Headlight Light Control ECU Sub-assembly LH)
NOTICE:
-
If any of the work in the table below has been performed, vehicle information registration and initialization of the headlight ECU sub-assembly LH is necessary.
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Performed Work or System Condition
Necessary Procedures
Replacement of the headlight ECU sub-assembly LH
Vehicle information registration for the headlight ECU sub-assembly LH
Initialization of the headlight ECU sub-assembly LH
Replacement of the headlight assembly LH
Vehicle information registration for the headlight ECU sub-assembly LH
Initialization of the headlight ECU sub-assembly LH
- A new headlight ECU sub-assembly LH cannot operate until the vehicle information is registered.
- After replacing the headlight ECU sub-assembly LH, it is necessary to register the vehicle information and then perform initialization.
- Even if the headlight ECU sub-assembly RH is replaced with a new one, vehicle information registration and initialization are not necessary.
- Vehicle information registration must be performed with the multiplex network body ECU (main body ECU) and ECM connected via CAN communication.
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Repair
REPAIR CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
If the installation area of the headlight assembly is damaged
Components
COMPONENTS ILLUSTRATION *1 DECK FLOOR BOX LH *2 NO. 3 DECK BOARD SUB-ASSEMBLY *3 REAR DECK FLOOR BOX *4 AUXILIARY BATTERY NEGATIVE TERMINAL N*m (kgf*cm, ft.*lbf): Specified
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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
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
