Kia Forte: Engine Control System / Ambient Temperature Sensor (ATS)
Specifications
Temperature[⁰C(⁰F)]
|
Resistance(kΩ)
|
-40(-40)
|
811.1 - 956.8
|
-20(-4)
|
255.6 - 287.7
|
0(32)
|
91.5 - 98.8
|
20(68)
|
36.6 - 38.0
|
30(86)
|
23.8 - 24.7
|
40(104)
|
15.7 - 16.6
|
50(122)
|
10.6 - 11.3
|
60(140)
|
7.2 - 7.9
|
80(176)
|
3.6 - 4.0
|
Description and operation
Ambient Temperature Sensor (ATS) is installed on the front-end module and senses
the ambient temperature. ECM receives not only the intake air temperatue but also
the ambient air temperature informations at the same time to control the intake
air quantity precisely provided through the turbo charger. The electrical resistance
of the thermistor decreases as the temperature increases, and increases as the temperature
decreases This sensor has a Negative Temperature Coefficient (NTC) and its resistance
is in inverse proportion to the temperature.

Repair procedures
1. |
Turn the ignition switch OFF.
|
2. |
Disconnect the ATS connector.
|
3. |
Measure resistance between the ATS terminals 1 and 2.
|
4. |
Check that the resistance is within the specification.
Temperature[⁰C(⁰F)]
|
Resistance(kΩ)
|
-40(-40)
|
811.1 - 956.8
|
-20(-4)
|
255.6 - 287.7
|
0(32)
|
91.5 - 98.8
|
20(68)
|
36.6 - 38.0
|
30(86)
|
23.8 - 24.7
|
40(104)
|
15.7 - 16.6
|
50(122)
|
10.6 - 11.3
|
60(140)
|
7.2 - 7.9
|
80(176)
|
3.6 - 4.0
|
|
1. |
Turn the ignition switch OFF and disconnect the battery (-) terminal.
|
2. |
Remove the engine room under cover.
(Refer to Engine Mechanical System - " Engine Room Under Cover")
|
3. |
Disconnect the connector and then remove the ambient temperature sensor
(A).

|
4. |
Install in the reverse order of removal.
Note that internal damage may occur when the component is dropped.
If the component has been dropped, inspect before installing.
|
|
Specifications
Specification
Temperature
Resistance (kΩ)
°C
°F
-40
-40
40.93 - 48.35 ...
Specifications
Specification
Pressure
[kPa (kg/cm² / psi)]
Output Voltage (V) [Vref=5V]
32.5 (0.33, 4.71)
0.5
...
Other information:
To set vehicle to vehicle distance:
This function allows you to program
the vehicle to maintain a relative distance
to the vehicle ahead without
depressing the accelerator pedal or
brake pedal.
The vehicle to vehicle distance will
automatically activate when the
smart cruise control ...
Repair procedures
Removal and Installation
Do not disassemble the oil pump (A) from timing chain cover because it
is supplied as timing chain cover & oil pump assembly.
...