DUAL PRESSURE SWITCH
INSPECTION
1) Check dual pressure switch (1) on liquid pipe for continuity at
normal temperature (approx. 25 C) when A/C system has a
proper charge of refrigerant and when A/C system (compres-
sor) is under operation. In each of these cases, switch should
show proper continuity.
Pressure
A
B
C
D
2) Using a manifold gauge set. Check switch for operation at spe-
cified pressure as shown, refer to PERFORMANCE DIAGNO-
SIS in this section.
Switch ON
: above C and below D
Switch OFF : below A or above B
A: Approx. 210 kPa (2.1 kg/cm
2
)
B: Approx. 2650 kPa (26.5 kg/cm
2
)
C: Approx. 230 kPa (2.3 kg/cm
2
)
D: Approx. 2060 kPa (20.6 kg/cm
2
)
Tightening torque for dual pressure switch
10 N·m (1.0 kg-m)
ON
(Continuity)
OFF
(No continuity)
A/C SWITCH
REMOVAL
1) Disconnect A/C switch coupler from instrument panel harness.
2) Remove instrument panel center garnish (1), refer to HEATER
CONTROL LEVER in section 1A.
3) Pull out A/C switch (2) by unlock the locking part.
INSPECTION
Press A/C Switch button and check if there is continuity between
terminals “A” and “B”.
With battery voltage (+) connected to terminal “C” and (–) to ter-
minal “A”, press A/C Switch button and check if indicator lamp
lights.
INSTALLATION
Reverse removal procedure for installation.
1B-34
AIR CONDITIONING (OPTIONAL)
SH410
Содержание Zen
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