A/C performance test inspection
2019 Nissan-Datsun Maxima V6-3.5L
A/C Performance test-Inspection
AIR CONDITIONING INSPECTION PROCEDURE:
- Connect recovery/recycling/recharging equipment (For HFC-134a) or manifold gauge.
- Start the engine, and set to the following condition.
| 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 | |
- Maintain test condition until A/C system becomes stable.(Approximately 10 minutes)
- Check that test results of recirculating-to-discharge air temperature and ambient air temperature-to-operating pressure are within the specified value.
- When test results are within the specified value, inspection is complete.
If any of test result is out of the specified value Click Here
| Inside air (Recirculating air) at blower assembly inlet. | Discharge air temperature from center ventilator C / F | ||
| Relative humidity % |
Air Temperature C/F |
1st Row | 2nd Row |
| 50-60 | 25 (77) | 9.6-10.7 (49-51) | 9.8-11.0(50-52) |
| 30 (86) | 9.5-10.5 (49-51) | 10.2-11.3 (50-52) | |
| 35 (95) | 13.9-15.0 (57-59) | 15.2-16.4 (59-62) | |
| 40 (104) | 16.9-18.8 (62-66) | 17.8-19.8 (64-68) | |
| 60-70 | 25 (77) | 10.7-11.9 (51-53) | 11.0-12.3 (52-54) |
| 30 (86) | 10.5-11.5 (51-53) | 11.3-12.4 (52-54) | |
| 35 (95) | 15.0-16.1 (59-61) | 16.4-17.6 (62-64) | |
| 40 (104) | 18.8-20.7 (66-69) | 19.8-21.8 (68-71) | |
AMBIENT AIR TEMPERATURE-TO-OPERATING PRESSURE TABLE
| Fresh 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 | 25 (77) | 1020-1255 (10.4-12.8,148-182) |
225-285 (2.3-2.9,33-41) |
| 30 (86) | 1020-1255 (10.4-12.8,148-182) |
215-265 (2.2-2.7,33-38) |
|
| 35 (95) | 1196-1461 (12.2-14.9,174-212) |
215-265 (2.2-2.7,33-38) |
|
| 40 (104) | 1471-1804 (15.0-18.4,213-262) |
285-345 (2.9-3.5,41-50) |