Fuel Delivery/fault Isolation: Overview Kia Optima I рестайлинг

Scheme 27

Scheme 28

Scheme 29

1. Connect a HI-SCAN to the data link connector.
2. If a HI-SCAN is not used, connect a digital type voltmeter between connector 1 and 3.
3. Turn the ignition switch to the ON position (do not start engine) and check that the TP Sensor output voltage is as specified. If a HI-SCAN is used, read the voltage. Standard value : 300-900 mV
4. If it is out of specification, loosen TP Sensor mounting screws and adjust by turning the TP Sensor. NOTE: Turning the TP Sensor clockwise increases the output voltage. Tighten the screws securely after adjustment.
5. Turn the ignition switch to the OFF position.

Scheme 30

1. Remove the fuel tank cap to lower the fuel tank's internal pressure.
2. Open the trunk door and disconnect the fuel pump connector, remove the fuel feed and return line from the fuel pump assembly.
3. Remove the fuel pump installation screws, then remove the fuel pump assembly from the fuel tank.
4. Remove the fuel sender from the fuel pump assembly.
5. Inspect and replace, if necessary.

Scheme 31

1. Turn the ignition switch to the OFF position.
2. Apply battery voltage to the fuel pump drive connector to check that the pump operates. NOTE: The fuel pump is in-tank type and its operating sound is hard to hear without removing the fuel tank cap.
3. Pinch the hose to check that fuel pressure is felt.