Lexus NX: System Diagram

SYSTEM DIAGRAM

*1

ECM

*2

Engine Coolant Temperature Sensor

*3

Air Fuel Ratio Sensor (for Bank 1 Sensor 1)

*4

Heated Oxygen Sensor (for Bank 1 Sensor 2)

*5

Crankshaft Position Sensor

*6

Intake Manifold

*7

Manifold Absolute Pressure Sensor

*8

EGR Valve Assembly

*9

EGR Cooler Assembly

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-

*a

from Purge VSV

-

-

*1

Fuel Tank Cap Assembly

*2

Fuel Tank Assembly

*3

Fuel Cutoff Valve

*4

Canister Filter

*5

Charcoal Canister Assembly

*6

Vent Valve

*7

Canister Pump Module

*8

Canister Pressure Sensor

*9

Leak Detection Pump

*10

ECM

*11

Purge VSV

*12

Float Valve

*a

to Intake Manifold

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-

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 On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. VISUALLY INSPECT HOSES, CONNECTIONS AND GASKETS (a) Visually check that the hoses, connections and gaskets have no cracks, leaks or damage. NOTICE: Detachment or

 Fuel Tank Cap

InspectionINSPECTION PROCEDURE 1. INSPECT FUEL TANK CAP ASSEMBLY (a) Visually check that the fuel tank cap assembly and fuel tank cap gasket are not deformed or damaged. *1 Fuel Tank Cap Gasket

 Pcv Valve

ComponentsCOMPONENTS ILLUSTRATION *1 PCV VALVE SUB-ASSEMBLY *2 NO. 2 PCV HOSE N*m (kgf*cm, ft.*lbf): Specified torque Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent

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 Installation

INSTALLATION PROCEDURE 1. INSTALL CRUISE CONTROL MAIN SWITCH (a) Pass the wire harness under the rib as shown in the illustration. *1 Wire Harness *a Rib *b Guide Connector Screw (b) Attach the guide. (c) Temporarily install the cruise control main switch with the

 Parts Location

PARTS LOCATION ILLUSTRATION *1 NO. 2 ENGINE ROOM RELAY BLOCK - P/SEAT F/R FUSE *2 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - P/SEAT F/L FUSE ILLUSTRATION *A for Driver Side - - *1 LUMBAR SUPPORT ADJUSTER ASSEMBLY LH *2 FRONT LUMBAR POWER SEAT SWITCH *

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