Fuel Tank Differential Pressure Sensor Check

1. Remove the rear seat Assembly (Refer to REAR SEAT ASSEMBLY ), and turn up the floor carpet.
2. Remove the floor inspection lid (LH).
   Fig 1: Removing Floor Inspection Lid (LH)

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
3. Disconnect the fuel tank differential pressure sensor connector.
   Fig 2: Disconnecting Fuel Pump Module Connector And Fuel Tank Differential Pressure Sensor Connector

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
4. Connect special tool test harness set (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 inspection lid.
9. Return the floor carpet to the original condition and install the rear seat assembly (Refer to REAR SEAT ASSEMBLY ).

Fig 3: Measuring Voltage Between Terminal 1 And Ground

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.