Hyundai Santa Fe (2006 year). Manual — part 663
HA -30
HEATING, VENTILATION AND AIR CONDITIONING
A/C COMPRESSOR
CONTROLS (FULL AUTO)
IN CAR SENSOR
COMPONENT LOCATION
EE1F070B
In car sensor
SCMHA6120L
A/C COMPRESSOR CONTROLS (FULL AUTO)
HA -31
DESCRIPTION
EC707BB8
1.
In-car air temperature sensor is located at the lower
crush pad.
2.
The sensor contains a thermistor which measures the
temperature of the inside. The signal, decided by the
resistance value which changes in accordance with
perceived inside temperature, is delivered to heater
control unit and according to this signal the control
unit regulates incar temperature to intended value.
INSPECTION
EFF90998
1.
Ignition "ON"
2.
Blow air with changing temperature to the in car sen-
sor air inlet. Measure sensor resistance between 2
and 4 terminals.
1
2
3
4
5
6
1. Motor (-)
2. Sensor ground (-)
3. Humidity sensor signal
4. In-car sensor temp.signal
5. Sensor power (+)
6. Motor (+)
EQRF201B
SPECIFICATION
Temperature [℃(℉)]
Resistance between
terminals 2and 4 (㏀)
60(140)
7.463 ± 2.6%
50(122)
10.810 ± 2.2%
35(95)
19.59 ± 1.6%
25(77)
30.00 ± 1.2%
15(59)
47.130 ± 1.7%
0(32)
97.710 ± 2.4%
-15(5)
216.1 ± 3.2%
-30(-22)
50936 ± 4.1%
NOTE
In car sensor is negative type thermistor that resis-
tance will rise with lower temperature, and reduce with
higher temperature.
REPLACEMENT
EA7F2D51
1.
Disconnect the negative (-) battery terminal.
2.
Remove the A/C control pannel. (Refer to BD group).
3.
Disconnect the connector of in-car sensor (A).Loosen
the mounting 2 screws and then remove the in-car
sensor (B).
SCMHA6122D
4.
Installation is the reverse order of removal.
HA -32
HEATING, VENTILATION AND AIR CONDITIONING
PHOTO SENSOR
COMPONENT LOCATION
EF23C30B
Photo sensor
SCMHA6123L
A/C COMPRESSOR CONTROLS (FULL AUTO)
HA -33
DESCRIPTION
E9E29167
1.
The photo sensor (A) is located at the center of defrost
nozzle.
2.
The photo sensor contains a photovoltaic (sensitive
to sunlight) diode. The solar radiation received by
its light receiving portion, generates an electromotive
force in proportion to the amount of radiation received
which is transferred to the automatic temperature con-
trol module so that the solar radiation compensation
will be performed.
INSPECTION
E3DC5DB8
1.
Ignition "ON"
2.
Using the scan tool.
3.
Emit intensive light toward photo sensor using a lamp,
and check the output voltage change.
4.
The voltage will rise with higher intensive light and
reduce with lower intensive light.
1
2
3
4
5
6
1. Ground
2. 5V (VCC)
3. Signal
4. -
5. Photo sensor (+)
6. Photo sensor (-)
LQLG202B
REPLACEMENT
E6DB0564
1.
Disconnect the negative (-) battery terminal.
2.
With the (-) driver, remove the photo sensor (B) from
the center of defrost nozzle (A).
A
B
AQKF202C
3.
Install in the reverse order of removal.
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