Hyundai Santa Fe (DM): Cooling Fan. Description and Operation
Description
Control the cooling motor voltage in according to the duty(300Hz)
of ECM.
[ECU → PWM Input Signal(SI : 300Hz)]
|
SI Duty |
Motor Voltage (V) |
|
|
10% |
0 |
─ |
|
30% |
4.1 |
± 0.65 |
|
60% |
8.2 |
± 0.66 |
|
70% |
9.57 |
± 0.67 |
|
90% |
12.5 |
─ |
[Cooling Fan Operation Condition]
|
A/C Switch |
A/C Pressure (Kgf/cm² G) |
Vehicle Speed (Km/h) |
Coolant Temp (°C) |
Duty (%) |
|
OFF |
─ |
V < 45 |
98 above |
35 |
|
45 ≤ V < 80 |
101 above |
40 |
||
|
80 ≤ V |
105 above |
80 |
||
|
ON |
A/C Pressure < 6 |
ALL |
105 above |
90 |
|
6 ≤ A/C Pressure < 12 |
V < 45 |
82 above |
30 |
|
|
45 ≤ V < 80 |
96 above |
40 |
||
|
80 ≤ V |
96 above |
60 |
||
|
12 ≤ A/C Pressure < 15.5 |
V < 45 |
101 above |
70 |
|
|
45 ≤ V < 80 |
-30 above |
40 |
||
|
80 ≤ V |
82 above |
60 |
||
|
15.5 ≤ A/C Pressure |
V = 0 |
-30 above |
60 |
|
|
0 < V |
-30 above |
90 |
Cooling Fan. Components and Components Location
Components 1. Upper air guard 2. PWM module 3. Cooling fan shroud 4. Fan motor 5. Cooling fan ...
Cooling Fan. Specifications
Specification Fuction Specification Maximum Drive Capability 250 W 21.0 + 10% A Input Signal Frequency 300 ± 5% Duty 10, 30 ~ 90 % Voltage level HI 0.7 V above LOW 0 ~ 1.9 V ...
See also:
Air intake control
This is used to select the outside (fresh) air position or recirculated air position. To change the air intake control position, push the control button. Recirculated air position Type A, B The indicator ...
Positive Crankcase Ventilation (PCV) Valve. Description and Operation
Operation Principle ...
26 Brake Control Solenoid Valve(26/B_VFS). Repair procedures
Inspection 1. Turn ignition switch OFF. 2. Remove the air duct. 3. Disconnect the solenoid valve connector(A). 4. Measure resistance between sensor signal terminal and sensor ground terminal. 5. Check ...
