Acura TSX / Honda Accord CL. Manual — part 490

Fig. 10: Measuring Voltage Between ECM/PCM Connector Terminal E17 & Body Ground

21. Turn the ignition switch OFF.

22. Remove the trunk floor.

23. Remove the access panel from the floor.

24. Measure voltage between fuel pump 5P connector terminal No. 5 and body ground within the first 2

seconds after the ignition switch was turned on.

Is there battery voltage?

YES: Go to step 30 .

NO: Go to step 25.

2004 Acura TSX

2004 ENGINES Fuel Supply System - TSX

Fig. 11: Measuring Voltage Between Fuel Pump 5P Connector Terminal No. 5 & Body
Ground

25. Turn the ignition switch OFF.

26. Remove PGM-FI main relay 2 (FUEL PUMP)

27. Connect PGM-FI main relay 2 (FUEL PUMP) 4P connector terminals No. 1 and No. 2 with a jumper

wire.

2004 Acura TSX

2004 ENGINES Fuel Supply System - TSX

Fig. 12: Connecting PGM-FI Main Relay 2 (FUEL PUMP) 4P Connector Terminals No. 1 & No. 2
With A Jumper Wire

28. Turn the ignition switch ON (II).

29. Measure voltage between fuel pump 5P connector terminal No. 5 and body ground within the first 2

seconds after the ignition switch was turned on.

Is there battery voltage?

YES: Replace PGM-FI main relay 2 (FUEL PUMP).

NO: Repair open in the wire between PGM-FI main relay 2 (FUEL PUMP) and the fuel
pump 5P connector.

2004 Acura TSX

2004 ENGINES Fuel Supply System - TSX

Fig. 13: Measuring Voltage Between Fuel Pump 5P Connector Terminal No. 5 & Body
Ground

30. Turn the ignition switch OFF.

31. Check for continuity between fuel pump 5P connector terminal No. 4 and body ground.

Is there continuity?

YES: Replace the fuel pump.

NO: Repair open in the wire between the fuel pump 5P connector and G603.

2004 Acura TSX

2004 ENGINES Fuel Supply System - TSX