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:
Components
1. Balance shaft chain guide
2. Balance shaft chain
3. Balance shaft chain tensioner arm
4. Balance shaft chain tensioner
5. Balance shaft chain sprocket
6. Balance shaft module (BSM)
7. Oil pan
8. Oil filter brac ...
Components
1. Front - right tube (FR)
2. Rear - left tube (RL)
3. Rear - right tube (RR)
4. Front - left tube (FL)
5. MC2 (SEC)
6. MC1 (PRI)
7. ESP control module (HECU)
8. Bracket
9. VDC control module connector.
...