Fuel Tank Pressure Sensor: Testing and Inspection

FUEL TANK DIFFERENTIAL PRESSURE SENSOR CHECK

Required Special Tool:

- MB991658: Test Harness Set

1. Remove the rear seat cushion assembly Rear Seat Assembly Removal and Installation) and turn up the floor carpet.





2. Remove the floor inspection lid (LH).





3. Disconnect the fuel tank differential pressure sensor connector.





4. Connect special tool MB991658 between the terminals of the disconnected connector.
5. Turn the ignition switch to "ON" position and measure the voltage between terminal 1 and ground.
Standard value: 2.0 - 3.0 V
6. If not within the standard value, replace the fuel tank differential pressure sensor.





7. Connect the fuel tank differential pressure sensor connector.





8. Install the floor inspection lid (LH).
9. Return the floor carpet to the original condition and install the rear seat cushion assembly Rear Seat Assembly Removal and Installation).