2005 NISSAN NAVARA Repair Workshop Manual

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Page 2409 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual MTC-22
REFRIGERATION SYSTEM
Component Layout
EJS005FU
REFRIGERATION SYSTEM
MJIB0217E

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NISSAN NAVARA 2005 Repair Workshop Manual REFRIGERATION SYSTEM
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1. Defroster nozzle 2. LH side demister duct 3. LH ventilator duct
4. RH side demister duct 5. RH ventilator duct 6. Center ventilator duct
7. He

Page 2411 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual MTC-24
LUBRICANT
LUBRICANT
PFP:KLG00
Maintenance of Lubricant Quantity in CompressorEJS005FV
The lubricant in the compressor circulates through the system with the refrigerant. Add lubricant to compre

MTC-24
LUBRICANT
LUBRICANT
PFP:KLG00
Maintenance of Lubricant Quantity in CompressorEJS005FV
The lubricant in the compressor circulates through the system with the refrigerant. Add lubricant to compres-
sor when replacing any component or after a large refrigerant leakage has occurred. It is important to maintain
the specified amount.
If lubricant quantity is not maintained properly, the following malfunctions may result:
lLack of lubricant: May lead to a seized compressor
lExcessive lubricant: Inadequate cooling (thermal exchange interference)
LUBRICANT
Name: NISSAN A/C System Lubricant Type S (DH-PS)
Part number: KLH00-PAGS0
CHECKING AND ADJUSTING
CAUTION:
If excessive lubricant leakage is noted, do not perform the lubricant return operation.
Start the engine and set the following conditions:
test condition
lEngine speed: Idling to 1,200 rpm
lA/C switch: On
lBlower speed: Max. position
lTemp. control: Optional [Set so that intake air temperature is 25°to 30°C(77°to 86°F).]
lIntake position: Recirculation ( )
lPerform lubricant return operation for about ten minutes
Adjust the lubricant quantity according to the following table.
Lubricant Adjusting Procedure for Components Replacement Except Compressor
After replacing any of the following major components, add the correct amount of lubricant to the system.
Amount of lubricant to be added
l*1: If refrigerant leak is small, no addition of lubricant is needed.
Lubricant Adjustment Procedure for Compressor Replacement
1. Before connecting recovery/recycling equipment to vehicle, check recovery/recycling equipment gauges.
No refrigerant pressure should be displayed. If NG, recover refrigerant from equipment lines.
2. Discharge refrigerant into the refrigerant recovery/recycling equipment. Measure lubricant discharged into
the recovery/recycling equipment.
3. Drain the lubricant from the “old” (removed) compressor into a graduated container and recover the
amount of lubricant drained.
4. Drain the lubricant from the “new” compressor into a separate, clean container.
5. Measure an amount of new lubricant installed equal to amount drained from “old” compressor. Add this
lubricant to “new” compressor through the suction port opening.
6. Measure an amount of new lubricant equal to the amount recovered during discharging. Add this lubricant
to “new” compressor through the suction port opening.
7. If the liquid tank also needs to be replaced, add an additional 5 m (0.2 Imp fl oz) of lubricant at this time.
Do not add this 5 m (0.2 Imp fl oz) of lubricant if only replacing the compressor.
Part replacedLubricant to be added to system
Remarks
Amount of lubricant
m(Impfloz)
Evaporator 75 (2.6) —
Condenser 75 (2.6) —
Liquid tank 5 (0.2) Add if compressor is not replaced.
In case of refrigerant leak30 (1.1) Large leak
— Small leak *1

Page 2412 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual LUBRICANT
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Page 2413 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual MTC-26
AIR CONDITIONER CONTROL
AIR CONDITIONER CONTROL
PFP:27500
DescriptionEJS005FW
The front air control provides regulation of the vehicles interior temperature. The system is based on the posi-
t

Page 2414 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual AIR CONDITIONER CONTROL
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MAGNET CLUTCH CONTROL
When the A/C switch is pressed, or the mode switch is turned to the defroster position, the front air control out-
puts

Page 2415 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual MTC-28
AIR CONDITIONER CONTROL
Description of Control System
EJS005FY
The control system consists of input sensors, switches, the front air control (microcomputer) and outputs.
The relationship of the

Page 2416 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual AIR CONDITIONER CONTROL
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DISPLAY SCREEN
Displays the operational status of the system.
TEMPERATURE SWITCH (TEMPERATURE CONTROL) (FRONT)
Increases or decreases the set

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