Lexus NX: Refrigerant Line

Components

COMPONENTS

ILLUSTRATION

*1

LIQUID TUBE SUB-ASSEMBLY

*2

DISCHARGE HOSE SUB-ASSEMBLY

*3

SUCTION HOSE SUB-ASSEMBLY

*4

AIR CONDITIONER TUBE AND ACCESSORY ASSEMBLY

*5

PIPING CLAMP

*6

O-RING

N*m (kgf*cm, ft.*lbf): Specified torque

Non-reusable part

Compressor oil ND-OIL 11 or equivalent

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-

Removal

REMOVAL

PROCEDURE

1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM

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2. REMOVE PIPING CLAMP

(a) Install SST to the piping clamp as shown in the illustration.

SST: 09870-00025

*1

Liquid Tube Sub-assembly

*2

Air Conditioner Tube and Accessory Assembly

(b) Hold the air conditioner tube and accessory assembly and liquid tube sub-assembly with each hand and push in SST with both thumbs.

NOTICE:

Do not apply excessive force to the air conditioner tube and accessory assembly or liquid tube sub-assembly as they may bend.

*a

Push in

(c) Raise the stopper of SST and remove SST and the piping clamp together from the air conditioner tube and accessory assembly.

*1

Air Conditioner Tube and Accessory Assembly

*a

Stopper

*b

Pull off

(d) Remove the piping clamp from SST.

(e) Remove the air conditioner tube and accessory assembly from the liquid tube sub-assembly.

(f) Remove the 2 O-rings from the liquid tube sub-assembly.

NOTICE:

Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.

Installation

INSTALLATION

PROCEDURE

1. INSTALL PIPING CLAMP

(a) Remove the vinyl tape from the air conditioner tube and accessory assembly and liquid tube sub-assembly.

(b) Sufficiently apply compressor oil to 2 new O-rings and the fitting surfaces of the liquid tube sub-assembly.

Compressor Oil:

ND-OIL 11 or equivalent

(c) Install the 2 O-rings to the liquid tube sub-assembly.

(d) Install the air conditioner tube and accessory assembly to the liquid tube sub-assembly.

(e) Install the piping clamp to the air conditioner tube and accessory assembly.

NOTICE:

Make sure that the piping clamp is engaged securely with no gap.

*a

Correct

*b

Incorrect

*c

No Gap

*d

Gap

2. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT

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3. WARM UP COMPRESSOR

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4. INSPECT FOR REFRIGERANT LEAK

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READ NEXT:

 Relay

On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT PTC HEATER RELAY(PTC HTR NO. 1, NO. 3) (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:

 Room Temperature Sensor

 Components

COMPONENTS ILLUSTRATION *1 CONSOLE ARMREST ASSEMBLY *2 COOLER THERMISTOR (ROOM TEMPERATURE SENSOR) *3 COWL SIDE TRIM BOARD LH *4 DOOR SCUFF PLATE ASSEMBLY LH *5 INSTRUMENT SI

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 Installation

INSTALLATION PROCEDURE 1. INSTALL OCCUPANT DETECTION ECU (a) Attach the claw to install the occupant detection ECU. NOTICE: If the occupant detection ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace the occupant detection ECU with a new one. (b)

 Accelerator Pedal Sensor

ComponentsCOMPONENTS ILLUSTRATION *1 ACCELERATOR PEDAL SENSOR ASSEMBLY *2 ACCELERATOR PEDAL SENSOR CONNECTOR N*m (kgf*cm, ft.*lbf): Specified torque - - On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT ACCELERATOR PEDAL SENSOR ASSEMBLY (a) Connect the Techstr

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