Fuel Tank: Testing and Inspection

FUEL TANK SHUT-OFF VALVE CHECK




Check that the flapper of the fuel shut-off valve opens and closes as shown in the illustration.

FUEL TANK DIFFERENTIAL PRESSURE SENSOR CHECK

Required Special Tool:
- MB991658: Test Harness Set

1. Remove the rear seat cushion assembly.




2. Remove the hole cover.




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 hole cover.

Tightening torque: 1.5 ± 0.5 N.m (14 ± 4 in-lb)

9. Install the rear seat cushion assembly.

DISASSEMBLY AND ASSEMBLY

FUEL PUMP MODULE

Note: For the removal and installation procedures, refer to the fuel pump module replacement procedure in On-vehicle Service.






DISSASSEMBLY STEPS
1. FUEL LEVEL SENSOR
2. FUEL PUMP ASSEMBLY