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 | - | - |
*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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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
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
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 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 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 *