Kia Optima: Accelerator Position Sensor (APS). Description and Operation
Description
Accelerator Position Sensor (APS) is installed on the accelerator pedal module and detects the rotation angle of the accelerator pedal. The APS is one of the most important sensors in engine control system, so it consists of the two sensors which adapt individual sensor power and ground line. The second sensor monitors the first sensor and its output voltage is half of the first one. If the ratio of the sensor 1 and 2 is out of the range (approximately 1/2), the diagnostic system judges that it is abnormal.
Installation
1.
Installation is reverse of removal.
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Accelerator Position Sensor (APS). Specifications
Specification
Accelerator
Position
Output Voltage (V)
APS1
APS2
C.T
0.7 ~ 0.8
0.29 ~ 0.46
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See also:
Manual operation
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1. Remove the rectangular plastic lens in the front of the roof panel.
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Repair procedures
Adjustment
TCM Learning
When shift shock is occurred or parts related with the transaxle are replaced, TCM
learning should be performed.
In the following case, TCM learning is requir ...
Brake Pedal. Components and Components Location
Components
1. Cowl bracket
2. Brake pedal member assembly
3. Stop lamp switch
4. Return spring
5. Brake pedal stopper
6. Clevis pin
7. Snap pin
8. Brake pe ...
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