With SH-AWD

Remove the secondary fuel gauge sending unit (see SECONDARY FUEL GAUGE SENDING UNIT REMOVAL/INSTALLATION )
Connect a vacuum pump/gauge, 0-30 in Hg, to the transfer tube (A)

Fig 1: Identifying Transfer Tube
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode
From the INSPECTION MENU of the HDS, select Fuel Pump ON
Read the vacuum pump/gauge, 0-30 in Hg The vacuum should be 4.0 kPa (1.2 in Hg, 30 mmHg)
- If the vacuum is OK, the transfer fuel pump and the transfer tube is OK
- If the vacuum is out of specification, go to step 6
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode
Install the secondarily fuel gauge sending unit (see INSTALLATION (WITH SH-AWD) )
Remove the fuel tank unit (see REMOVAL (WITH SH-AWD) )
Connect the vacuum pump/gauge, 0-30 in Hg, to the fuel tank unit (A)

Fig 2: Identifying Fuel Tank Unit
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Lower the fuel tank unit (A) into the fuel tank until the pick up screen is submerged in the fuel

Fig 3: Identifying Fuel Tank Unit
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Connect the fuel tank unit 4P connector (B)
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode
From the INSPECTION MENU of the HDS, select Fuel Pump ON
Read the vacuum pump/gauge, 0-30 in Hg The vacuum should be 4.0 kPa (1.2 in Hg, 30 mmHg)

If the vacuum is OK, replace the transfer tube, then recheck the fuel vacuum
If the vacuum is out of specification, replace the fuel tank unit (see REMOVAL (WITH SH-AWD) ), then recheck the fuel vacuum