Hyundai Santa Fe: 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
...
See also:
Tail Gate Assembly. Components and Components Location
Component Location
1. Tail gate assembly
...
Output Speed Sensor. Repair procedures
Inspection
1.
Check signal waveform of Input & output speed sensor using the
GDS.
Specification:
Refer to "Signal Wave Form" ...
Door Ajar Warning Light
This warning light illuminates:
When a door is not closed securely. ...