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:
Components Operations
PCM (Power Train Control Module)
1.
The PCM(ECM) (A) carries out
a check of the ignition key using a special encryption algorithm, which
is programmed into the transponder as well as ...
Reassembly
1.
Reassemble the CVVT assembly
(A) and camshaft (B).
Tightening torque :53.9
~ 63.7N.m (5.5 ~ 6.5kgf.m, 39.7 ~ 47.0lb-ft)
...
Engine Temperature Gauge
This gauge shows the temperature of the engine coolant when the ignition switch
is ON.
If the gauge pointer moves beyond the normal range area toward the H position,
it indicates overheating that ...
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