Hyundai Santa Fe (2006 year). Manual — part 664
HA -34
HEATING, VENTILATION AND AIR CONDITIONING
WATER TEMPERATURE SENSOR
COMPONENT LOCATION
E4BFEDE4
Water temprature sensor
Heater core
SCMHA6126L
A/C COMPRESSOR CONTROLS (FULL AUTO)
HA -35
DESCRIPTION
EF9C5A75
1.
Water temperature sensor is located at the heater
unit.
2.
It detects coolant temperature. Its signal is used for
cold engine lockout control. When the driver operates
the heater before the engine is warmed up, the signal
from sensor causes the heater control unit to reduce
blower motor speed until coolant temperature reaches
the threshold value.
INSPECTION
EFC0971F
1.
Ignition "ON"
2.
Using the multi-tester, Measure resistance between
terminal "1" and "2" of water temperature sensor.
1
2
1. Water temperature sensor (+)
2. Ground (-)
EQRF203D
SPECIFICATION
Coolant
temperature
[℃(℉)]
Resistance (㏀)
Voltage (V)
-10(14)
55.85 ± 3%
4.24 ± 3%
0(32)
32.91 ± 3%
3.83 ± 3%
10(50)
19.99 ± 3%
3.33 ± 3%
20(68)
12.51 ± 3%
2.78 ± 3%
30(86)
8.047 ± 3%
2.23 ± 3%
40(104)
5.311 ± 3%
1.73 ± 3%
50(122)
3.588 ± 3%
1.32 ± 3%
60(140)
2.476 ± 3%
0.99 ± 3%
70(158)
1.742 ±3%
0.74 ± 3%
80(176)
1.246 ± 3%
0.55 ± 3%
3.
If the measured resistance is not specification, sub-
stitute with a known-good water temperature sensor
and check for proper operation.
4.
If the problem is corrected, replace the water temper-
ature sensor.
NOTE
Negative type thermistor that resistance will rise with
lower temperature, and reduce with higher tempera-
ture.
HA -36
HEATING, VENTILATION AND AIR CONDITIONING
REPLACEMENT
E22FAC9F
1.
Disconnect the negative (-) battery terminal.
2.
Remove the grove box. (Refer to BD group)
3.
Disconnect the connector (A) of water temperature
sensor and then remove the water temperature sen-
sor (B) by pulling out.
[LHD]
A
B
SCMHA6128D
[RHD]
A
B
SCMHA6128R
4.
Installation is the reverse order of removal.
NOTE
Take care that wire of water temperature sensor is not
to be damaged
A/C COMPRESSOR CONTROLS (FULL AUTO)
HA -37
AMBIENT TEMPERATURE
SENSOR
COMPONENT LOCATION
E63BA10B
Ambint temperature sensor
SCMHA6129L
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