Lexus NX: System Diagram
Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System (for Triple 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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Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE NO. 1 COOLER CONDENSER CUSHION (a) Remove the 2 No. 1 cooler condenser cushions from the cooler condenser assembly. 2. REMOVE COOLER DRYER (a) Using a 14 mm hexagon socket wrench, remove the cap from the modulator. *1 Modulator
Mirror Heater does not Operate with Rear Defogger Switch
DESCRIPTION When therear window defogger switch (mirror heater switch) is operated, a mirror heater signal is sent to the air conditioning amplifier assembly via LIN communication. The air conditioning amplifier assembly sends the signal to the outer mirror control ECU assembly via CAN communication
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