SSANGYONG Korando 2012 Manual page 334

15-36
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
OFF
OFF LO
HI
LO
HI
ON
HI
HI
▶ A/C compressor OFF conditions
▶ Output voltage according to refrigerant pressure
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".
▶ Cooling fan control according to ATF temperature
ATF temperature
Over 100˚C
Coolant temperature
Coolant temp. < 90℃
90℃ ≤ Coolant temp.
< 105℃
105℃ ≤ Coolant temp
Coolant temp. < 105℃
105℃ ≤ Coolant temp.
< 115℃
115℃ ≤ Coolant temp.
- 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/㎠
Cooling fan
High speed
Refrigerant pressure
-
-
-
Refrigerant pressure <
18 bar
18 bar ≤ Refrigerant
pressure
-
-
Remark
A/C
compressor
ON
OFF (cut)
-