Kia Sportage: Engine Control System / Rail Pressure Sensor (RPS) Troubleshooting

Service data review releated with fuel pressure sensor at idle and acceleration.
(Inspect low pressure fuel line between fuel pump and high pressure pump first
when the pressure of low pressure line is displayed low at idle.)
A : Idle
B : Acceleration
Inspection
1.
Connect the KDS/GDS on the Data Link Connector (DLC).
2.
Measure the output voltage and fuel pressure of the RPS at idle a ...
Specification
Accelerator
Position
Output Voltage (V) [Vref = 5V]
APS1
APS2
C.T
0.7 - 0.8
...
Other information:
Electric type
The outside rearview mirror can be folded or unfolded by pressing the switch
when the ignition switch is ACC or ON position as below.
Left (1) : The mirror will unfold.
Right (2) : The mirror will fold.
Center (AUTO, 3) :
The mirror will fold or unfold automatically as follows ...
Description
•
The sensor used is a thermistor (NTC) in which resistance changes with
temperature variation.
•
The TCM supplies about 5 voltage to the sensor; the output value changes
with ATF temperature.
...