Nissan Maxima. Instruction — part 702
HA-34
< PERIODIC MAINTENANCE >
REFRIGERATION SYSTEM
Ambient Air Temperature-to-operating Pressure Table
60 - 70
25 (77)
12.3 - 14.9 (54 - 59)
30 (86)
15.3 - 19.3 (60 - 67)
35 (95)
21.0 - 24.4 (70 - 76)
Inside air (Recirculating air) at blower assembly inlet
Discharge air temperature at center ventilator
°C (°F)
Relative humidity
%
Air temperature
°C (°F)
Ambient air
High-pressure (Discharge side)
kPa (kg/cm2, psi)
Low-pressure (Suction side)
kPa (kg/cm2, psi)
Relative humidity
%
Air temperature
°C (°F)
50 - 70
30 (86)
1,220 - 1,500
(12.44 - 15.30, 176.9 - 217.5)
240 - 295
(2.45 - 3.01, 34.8 - 42.8)
35 (95)
1,360 - 1,690
(13.87 - 17.24, 197.2 - 245.1)
275 - 335
(2.81 - 3.42, 39.9 - 48.6)
40 (104)
1,500 - 1,830
(12.44 - 18.67, 176.9 - 265.4)
310 - 375
(3.16 - 3.83, 45.0 - 54.4)
PERFORMANCE TEST
HA-35
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PERFORMANCE TEST
Inspection
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INSPECTION PROCEDURE
1. Connect recovery/recycling/recharging equipment (for HFC-134a) or manifold gauge.
2. Start the engine, and set to the following condition.
Test condition
3. Maintain test condition until A/C system becomes stable. (Approximately 10 minutes)
4. Check that test results of “recirculating-to-discharge air temperature” and “ambient air temperature-to-
operating pressure” are within the specified value.
5. When test results are within the specified value, inspection is complete.
If any of test result is out of the specified value, perform diagnosis by gauge pressure. Refer to
"WITH COLOR DISPLAY : Symptom Matrix Chart"
.
RECIRCULATING-TO-DISCHARGE AIR TEMPERATURE TABLE
AMBIENT AIR TEMPERATURE-TO-OPERATING PRESSURE TABLE
Surrounding condition
Indoors or in the shade (in a well-ventilated place)
Vehicle condition
Door
Closed
Door glass
Full open
Hood
Open
Engine speed
Idle speed
A/C condition
Temperature control switch or dial
Full cold
A/C switch
ON
Air outlet
VENT (ventilation)
Intake door position
Recirculation
Fan (blower) speed
Maximum speed set
Inside air (Recirculating air) at blower assembly inlet
Discharge air temperature from center ventilator
°C (°F)
Relative humidity
%
Air temperature
°C (°F)
50 – 60
20 (68)
4.7 – 6.7 (40 – 44)
25 (77)
8.6 – 11.1 (47 – 52)
30 (86)
12.6 – 15.6 (55 – 60)
35 (95)
19.0 – 22.5 (66 – 73)
60 – 70
20 (68)
6.7 – 8.7 (44 – 48)
25 (77)
11.1 – 13.6 (52 – 56)
30 (86)
15.6 – 18.6 (60 – 65)
35 (95)
22.5 – 26.0 (73 – 79)
HA-36
< PERIODIC MAINTENANCE >
PERFORMANCE TEST
Fresh air
High-pressure (Discharge side)
kPa (kg/cm
2
, psi)
Low-pressure (Suction side)
kPa (kg/cm
2
, psi)
Relative humidity
%
Air temperature
°C (°F)
50 – 70
25 (77)
909 – 1,112
(9.2 – 11.3, 131.8 – 161.2)
159 – 194
(1.6 – 2.0, 23.1 – 28.1)
30 (86)
1,073 -– 1,312
(10.9 – 13.4, 155.6 – 190.2)
211 – 259
(2.2 – 2.6, 30.6 – 37.6)
35 (95)
1,445 – 1,766
(14.7 – 18.0, 209.5 – 256.1)
247 – 300
(2.5 – 3.1, 35.8 – 43.5)
40 (104)
1,650 – 2,017
(16.8 – 20.6, 239.3 – 292.5)
290 – 355
(3.0 – 3.6, 42.1 – 51.5)
COMPRESSOR
HA-37
< REMOVAL AND INSTALLATION >
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REMOVAL AND INSTALLATION
COMPRESSOR
Removal and Installation for Compressor
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REMOVAL
CAUTION:
Before servicing, turn the ignition switch off, disconnect both battery terminals and wait at least three
minutes.
1. Disconnect the battery negative and positive terminals. Refer to
PG-67, "Removal and Installation (Bat-
2. Discharge the refrigerant. Refer to
3. Partially drain the engine cooling system. Refer to
CO-11, "Changing Engine Coolant"
4. Remove the front RH wheel and tire using a power tool. Refer to
5. Remove the engine under cover. Refer to
.
6. Remove the RH fender protector side cover and the RH fender protector. Refer to
.
7. Remove the engine room cover.
8. Remove the air cleaner assembly. Refer to
EM-24, "Removal and Installation"
9. Remove the upper radiator hose.
10. Remove the battery and battery tray. Refer to
PG-68, "Removal and Installation (Battery Tray)"
11. Remove the engine cooling fan and shroud assembly. Refer to
CO-16, "Removal and Installation"
12. Disconnect the high-pressure flexible hose and low-pressure flexible hose from the compressor.
CAUTION:
Cap or wrap the joint of the hose with suitable material such as vinyl tape to avoid the entry of air.
13. Reposition the power steering hose out of the way.
14. Disconnect the harness connector from the compressor.
15. Release the drive belt tension and reposition the drive belt off of the compressor clutch pulley. Refer to
EM-14, "Removal and Installation"
AWIIA1128GB
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