Lexus NX: Installation

INSTALLATION

CAUTION / NOTICE / HINT

HINT:

Perform "Inspection After Repair" after replacing the EGR valve assembly.

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PROCEDURE

1. INSTALL EGR VALVE ASSEMBLY

HINT:

Perform "Inspection After Repair" after replacing the EGR valve assembly.

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(a) Install 2 new gaskets to the No. 1 EGR pipe and intake manifold.

NOTICE:

Make sure that the gasket is installed in the correct direction.

*1

Gasket

*a

Claws

(b) Temporarily install the EGR valve assembly to the intake manifold with the 3 bolts.

(c) Connect the No. 1 EGR pipe to the EGR valve assembly and temporarily install the 2 nuts.

(d) Tighten the 3 bolts.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

(e) Using a 12 mm deep socket wrench, tighten the 2 nuts.

Torque:

21 N·m {214 kgf·cm, 15 ft·lbf}

(f) Using a 10 mm deep socket wrench, install the engine cover joint to the EGR valve assembly.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

(g) Connect the No. 1 water by-pass hose and No. 2 water by-pass hose to the EGR valve assembly, and slide the 2 clamps to secure the hose.

(h) Connect the connector to the EGR valve assembly.

2. INSTALL AIR CLEANER CAP AND HOSE

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3. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY

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4. ADD ENGINE COOLANT

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5. INSPECT FOR COOLANT LEAK

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 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

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 Fail-safe Chart

FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) Headlight ECU sub-assembly (1) The headlight ECU sub-assembly stops light operation if the following malfunctions are detected. Malfunction Multi-information Display Warning DTC Output Lighting on/off LED light source malfunction Low beam Displ

 Registration

REGISTRATION CAUTION / NOTICE / HINT NOTICE: The Vehicle Identification Number (VIN) must be input into a replacement ECM. HINT: The VIN is a 17-digit alphanumeric vehicle identification number. The Techstream is required to register the VIN. PROCEDURE 1. DESCRIPTION HINT: This registration section

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