9) Check for each pressure of low side and high side if it is within
shaded range of left graph.
NOTE:
Pressure registered on gauge varies with ambient tem-
perature. Therefore, use left graphs when determining if
pressures are normal or not.
Example:
If each gauge reading is out of specified pressure, correct de-
fective part referring to following Diagnosis Test table.
Ambient Temperature
10) Check inlet port temperature-to-outlet port temperature rela-
tionship using graph at the left.
For example, if evaporator inlet port temperature is 25
C and
center duct air outlet temperature is 8
C, their crossing point
is within acceptable range as shown in graph at the left.
11) If crossing point is out of acceptable range, diagnose trouble
referring to following Performance Diagnosis table.
Temp. at Evaporator Air Inlet
T
emp. at Center Duct Air Outlet
1B-10
AIR CONDITIONING (OPTIONAL)
SH410
Gauges should read as follows when ambient tempera-
ture is 30
C.
Pressure on high pressure
gauge (HI):
1.18 – 1.47 MPa
12.0 – 15.0 kg/cm
2
Pressure on high pressure
gauge (LO):
0.2 – 0.3 MPa
2.0 – 3.0 kg/cm
2