Lexus NX: System Diagram
Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System (for Single Beam Headlight) / System Diagram
SYSTEM DIAGRAM
Tail, Stop, Headlight Circuit
Turn Signal Circuit
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System Description
SYSTEM DESCRIPTION AUTOMATIC LIGHT CONTROL SYSTEM (a) When the headlight dimmer switch is in the AUTO position, the automatic light control system detects ambient light levels and controls the headlig
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the lighting system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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Operation Check
OPERATION CHECK AUTOMATIC LIGHT CONTROL SYSTEM OPERATION CHECK (a) Turn the power switch on (IG). (b) Turn the headlight dimmer switch to the AUTO position. (c) Cover the automatic light control senso
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Removal
REMOVAL PROCEDURE 1. FRONT WHEELS FACING STRAIGHT AHEAD 2. SECURE STEERING WHEEL Click here 3. REMOVE COLUMN HOLE COVER SILENCER SHEET Click here 4. DISCONNECT NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY Click here 5. REMOVE FRONT WHEELS Click here 6. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY
No. 2 Clearance Warning Buzzer Circuit
DESCRIPTION This circuit consists of the No. 2 clearance warning buzzer and clearance warning ECU assembly. An ECU-excited type buzzer is used. The ECU operates the buzzers using a sound pattern that changes depending on the distance to the obstacle. WIRING DIAGRAM PROCEDURE 1. PERFORM ACTIVE
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