Kia Rio: Radiator: Description - Cooling System - Engine Mechanical System - Kia Rio UB 2012-2024 Service ManualKia Rio: Radiator: Description

[Air conditioning type]
The cooling fan operates in 2 stages (HIGH/LOW). The engine control module (ECM) controls the cooling fan according to the coolant temperature, vehicle speed and A/C operation.
[Cooling fan operation conditions]
A/C switch
A/C pressure
[kgf/cm² G (psi G)
Vehicle speed
[km/h (mph)]
Coolant temperature
[°C (°F)]
Cooling fan speed
OFF

V < 45 (28)
95 ~ 100 (203 ~ 212)
LOW
100 (212) or above
HIGH
45 (28) ≤ V < 80 (49.7)
95 ~ 100 (203 ~ 212)
LOW
100 (212) or above
HIGH
80 (49.7) ≤ V
105 (221) or above
HIGH
ON
P < 6 (85.3)
All
105 (221) or above
HIGH
6 (85.3) ≤ P < 12 (170.7)
V < 45 (28)
45 ~ 100 (113 ~ 212)
LOW
100 (212) or above
HIGH
45 (28) ≤ V < 80 (49.7)
95 ~ 100 (203 ~ 212)
LOW
100 (212) or above
HIGH
80 (49.7) ≤ V
105 (221) or above
HIGH
12 (170.7) ≤ P < 15.5 (120.5)
V < 45 (28)
-30 ~ 95 (-22 ~ 203)
LOW
95 (203) or above
HIGH
45 (28) ≤ V < 80 (49.7)
95 ~ 100 (203 ~ 212)
LOW
100 (212) or above
HIGH
80 (49.7) ≤ V
105 (221) or above
HIGH
15.5 (120.5) ≤ P
All
-30 (-22) or above
HIGH

[Non-Air conditioning type]
The cooling fan operates in single stage. The engine control module (ECM) controls the cooling fan according to the coolant temperature, and vehicle speed.
[Cooling fan operation conditions]
Vehicle speed
[km/h (mph)]
Coolant temperature
[°C (°F)]
Cooling fan operation
V < 45 (28)
95 ~ 100 (203 ~ 212) or above
On
45 (28) ≤ V < 80 (49.7)
95 ~ 100 (203 ~ 212) or above
On
80 (49.7) ≤ V
105 (221) or above
On

Radiator: Components
1.  Cooling fan & reservoir tank assembly 2.  Radiator lower hose 3.  Air guard 4.  Upper cover 5.  Radiator upper hose 6.  Filler neck ...

Radiator: Specifications
Item Specification Non - Air conditioning type Air conditioning type Fan type PULLER Fan speed control Resistor (On-Off) ...

See also:

Removal
1. Turn ignition switch OFF, and disconnect the negative (-) battery cable. 2. Remove the battery and ECM. (Refer to Engine Electr ...

Inspection
1. Turn the ignition switch OFF. 2. Disconnect the HO2S connector. 3. Measure resistance between the HO2S termi ...

Components
...

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