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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Installation
INSTALLATION PROCEDURE 1. INSTALL HV WATER PUMP BRACKET SUB-ASSEMBLY (a) Temporarily install the HV water pump bracket sub-assembly to the inverter bracket with bolt A. *a Bolt A *b Bolt B (b) Install bolt B. Torque: 10 N·m {102 kgf·cm, 7 ft·lbf} (c) Tighten bolt
Drive Motor "A" Control Module (P0A1B-554,P0A1C-169)
DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that a large current flowed in the boost converter. The cause of this malfunction may be one of the following: Internal inverter malfunction
Inverter internal circuit malfunction
Malfunction in ECU that controls the inverter
DESCRIPTION
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