SSANGYONG Korando, Manual

Page: 334 / 1063

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d. Cooling fan and A/C compressor control
Conditions for cooling fan
▶
The cooling fan module controls the cooling fan relay, high speed relay and low speed relay. The
cooling fan is controlled by the series and parallel circuits.
A/C switch Cooling fan
Coolant temperature Refrigerant pressure
A/C
compressor
OFF
OFF
Coolant temp. < 90℃
-
LO
90℃ ≤ Coolant temp.
< 105℃
-
HI
105℃ ≤ Coolant temp
-
ON
LO
Coolant temp. < 105℃
Refrigerant pressure <
18 bar
ON
HI
18 bar ≤ Refrigerant
pressure
HI
105℃ ≤ Coolant temp.
< 115℃
-
HI
115℃ ≤ Coolant temp.
- OFF (cut)
A/C compressor OFF conditions
▶
Coolant temperature: below -20℃ or over
115℃
Approx. 4 seconds after starting the engine
Engine rpm: below 650 rpm or over 4500 rpm
When abrupt acceleration
Refrigerant pressure:
* OFF below 2.0 kg/㎠, then ON over 2.4 kg/㎠
* OFF over 30 kg/㎠, then ON below 21.4 kg/㎠
-
-
-
-
-
The output voltage from refrigerant pressure sensor is 1.7 V to 3.5 V when the refrigerant pressure
is 10 to 24 kgf/㎠ with A/C "ON".
Output voltage according to refrigerant pressure
▶
Cooling fan control according to ATF temperature
▶
ATF temperature Cooling fan Remark
Over 100˚C
High speed -