HYOSUNG 2010 ST7 Service Manual page 139

IAT sensor resistance
Intake Air Temp.
-40 ℃ (-40 ℉ )
-20 ℃ (-4 ℉ )
0 ℃ (32 ℉ )
20 ℃ (68 ℉ )
40 ℃ (104 ℉ )
60 ℃ (140 ℉ )
80 ℃ (176 ℉ )
100 ℃ (212 ℉ )
120 ℃ (248 ℉ )
130 ℃ (266 ℉ )
Tester knob indication : Resistance (
Is the resistance OK?
● Lg or GR wire open or shorted to
ground, or poor
connection of ECU coupler.
● If wire and connection are OK,
intermittent trouble or faulty
YES
ECU.
● Recheck each terminal and wire
harness for open circuit and
poor connection.
Replace the IAT sensor with a new
NO
one.
Resistance
㏀
44.642 ± 5%
㏀
14.958 ± 5%
㏀
± 5%
5.734
㏀
± 5%
2.438
㏀
± 5%
1.141
㏀
0.579 ± 5%
㏀
± 5%
0.315
㏀
± 5%
0.182
㏀
± 5%
0.111
㏀
0.088 ± 5%
㏀ ㏀
)
or
B8 B10
EI SYSTEM DIAGNOSIS 4-32
Gray
ECU Coupler
Black