Lexus NX: System Diagram
Lexus NX Service Manual / Engine & Hybrid System / 2ar-fxe (emission Control) / Emission Control System / 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
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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Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. REMOVE FRONT SEAT ASSEMBLY LH Click here 2. REMOVE FRONT LOWER SEAT CUSHION SHIELD Click here 3. REMOVE POWER SEAT SWITCH KNOB LH Click here
Freeze Frame Data
FREEZE FRAME DATA DESCRIPTION (a) When a front camera system DTC is stored, the forward recognition camera stores the current vehicle (ECU or sensor) state as Freeze Frame Data. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream
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