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HA-28 < PERIODIC MAINTENANCE > REFRIGERATION SYSTEM REFRIGERATION SYSTEM Inspection INFOID:0000000005514532 1. CHECK BLOWER MOTOR OPERATION Check blower motor operation. Refer to HAC-69, "Component Function Check" (WITHOUT 7 INCH DIS- PLAY) or HAC-191, "Component Function Check" (WITH 7 INCH DISPLAY). Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace the parts according to the inspection results. 2. CHECK COMPRESSOR OPERATION Check compressor operation. Refer to HAC-73, "Component Function Check" (WITHOUT 7 INCH DISPLAY) or HAC-195, "Component Function Check" (WITH 7 INCH DISPLAY). Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace the parts according to the inspection results. 3. CHECK REFRIGERANT CYCLE PRESSURE Connect recovery/recycling recharging equipment to the vehicle and perform the diagnosis with the gauge HA-8, "Trouble Diagnosis For Unusual Pressure" Is the inspection result normal? YES >> Perform the performance test. Refer to . NO >> Repair or replace the parts according to the inspection results. Performance Chart INFOID:0000000005514533 TEST CONDITION Testing must be performed under the following conditions: TEST READING Recirculating-to-discharge Air Temperature Table Vehicle condition Indoors or in the shade (in a well-ventilated place) Doors Closed Door windows Open Hood Open Temperature control dial/switch Maximum cold Mode switch (Ventilation) set Intake switch (Recirculation) set Fan (blower) speed Maximum speed set Engine speed Idle speed Operate the air conditioning system for 10 minutes before taking measurements. Inside air (Recirculating air) at blower assembly inlet Discharge air temperature at center ventilator ° C ( ° F) Relative humidity % Air temperature ° C ( ° F) 50 - 60 20 (68) 5.9 - 7.9 (43 - 46) 25 (77) 9.6 - 12.1 (49 - 54) 30 (86) 12.8 - 15.9 (55 - 61) 60 - 70 20 (68) 7.9 - 10.0 (46 - 50) 25 (77) 12.1 - 14.6 (54 - 58) 30 (86) 15.9 - 18.9 (61 - 66) |