Fuel Tank Differential Pressure Sensor Check

Required Special Tool: 

• MB991658: Test Harness Set

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

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

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
4. Connect special tool MB991658 between the terminals of the disconnected connector.
   Fig 3: Identifying Special Tool MB991658

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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.
   Fig 4: Identifying Fuel Pump Module Connector And Fuel Tank Differential Pressure Sensor Connector

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
8. Install the floor inspection lid (LH).
9. Return the floor carpet to the original condition and install the rear seat cushion assembly (Refer to REAR SEAT ASSEMBLY .
   Fig 5: Identifying Floor Inspection Lid (LH)

   Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.