Lexus NX manuals

Lexus NX: Relay

Lexus NX Service Manual / Engine & Hybrid System / 2ar-fxe (cooling) / Relay

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT COOLING FAN RELAY (FAN NO. 1)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 5

Battery voltage not applied to terminals 1 and 2

10 kΩ or higher

Battery voltage applied to terminals 1 and 2

Below 1 Ω

If the result is not as specified, replace the cooling fan relay.

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 Thermostat

ComponentsCOMPONENTS ILLUSTRATION *1 THERMOSTAT *2 WATER INLET *3 GASKET - - N*m (kgf*cm, ft.*lbf): Specified torque ● Non-reusable part RemovalREMOVAL PROCEDURE

 Water Pump

 Components

COMPONENTS ILLUSTRATION *1 ENGINE WATER PUMP ASSEMBLY *2 FAN AND GENERATOR V BELT *3 RADIATOR RESERVE TANK ASSEMBLY *4 V-RIBBED BELT TENSIONER ASSEMBLY *5 WATER BY-PASSS HOSE

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 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: When replacing the radio receiver assembly or navigation ECU, always replace it with a new one. If a radio receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur: A communication malfunction DTC may be stored. T

 Removal

REMOVAL PROCEDURE 1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY Click here 2. DRAIN COOLANT (for Inverter Coolant) Click here 3. REMOVE UPPER RADIATOR SUPPORT SUB-ASSEMBLY Click here 4. DISCONNECT NO. 2 INVERTER COOLING HOSE ASSEMBLY Click here 5. REMOVE WATER PUMP WITH MOTOR (a) Disconn

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