Mazda 6 2002, Workshop Manual

Page: 1159 / 1248

REFRIGERANT SYSTEM SERVICE PROCEDURES
U–13
U
10. Verify that the intersection of the pressure reading
of the SST (49 C061 001) and ambient
temperature is in the shaded zone.
•
If not as specified, troubleshoot the refrigerant
system. (See
U–64 TROUBLESHOOTING
INDEX .)
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REFRIGERANT SYSTEM PERFORMANCE TEST
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1. Perform refrigerant pressure check. (See U–12 REFRIGERANT PRESSURE CHECK .)
•
If they are correct, go to next step.
•
If not as specified, troubleshoot the refrigerant system. (See U–64 TROUBLESHOOTING INDEX .)
2. Place a dry-bulb thermometer in the driver-side center ventilator outlet.
3. Warm up the engine and run it at a constant
1,500 rpm .
4. Set the fan speed to MAX HI.
5. Turn the A/C switch on.
6. Set the RECIRCULATE mode.
7. Set the temperature control to MAX COLD.
8. Set the VENT mode.
9. Close all the doors and all the windows.
10. Wait until the air conditioner output temperature stabilizes.
Stabilized condition
•
The A/C compressor is repeatedly turned on and off based on the A/C compressor control of center panel
(manual air conditioner) or climate control unit (full-auto air condtioner).
11. Record driver-side center ventilator outlet temperature.
12. Determine and record ambient temperature.
13. Verify that the temperature reading is in the
shaded zone.
•
If the performance is not within the shaded
zone, troubleshoot the refrigerant system.
(See
U–64 TROUBLESHOOTING INDEX .)
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