Kia Optima Hybrid: Engine Control System / Fuel Tank Pressure Sensor (FTPS) Repair procedures

Inspection
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Measure the output voltage of the FTPS.
Pressure [kPa (kgf/cm?, in H2O)
Output Voltage (V)
-6.67 (-0.068, -26.8)
0.5
0
2.5
+6.67 (0.068, 26.8)
4.5

Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
2.
Lift the vehicle.
3.
Remove the canister. (Refer to Emission Control System - "Canister")
4.
Support the fuel tank with a jack and then remove the right fuel tank band (A).

5.
Make a gap for removing the fuel tank pressure sensor by lowering the jack.
6.
Remove the fuel tank pressure sensor (A) by unfastening the hook.

Installation
   
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
Insert the sensor in the installation hole and be careful not to damage when installation.
1.
Install in the reverse order of removal.
Fuel Tank Pressure Sensor (FTPS) Schematic Diagrams

Circuit Diagram ...

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