Kia Carens: Engine Control System / Accelerator Position Sensor (APS) Description and operation
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.

Inspection
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Measure the output voltage of the RPS at idle and various engine spee ...
Specification
Accelerator
Position
Output Voltage (V) [Vref=5V]
APS1
APS2
C.T
0.7 ~ 0.8
...
Other information:
MAINTENANCE UNDER SEVERE
USAGE CONDITIONS - FOR EUROPE, EXCEPT RUSSIA
The following items must be serviced more frequently on cars mainly used under
severe driving conditions.
Refer to the chart below for the appropriate maintenance intervals.
R : Replace
I : In ...
Inspection
1.
Check the clutch release cylinder for fluid leakage.
2.
Check the clutch release cylinder boot for damage.
Removal
1.
Drain the brake fluid through the bleed plug (A).
...