Acura TSX / Honda Accord CL. Manual — part 621

Fig. 108: Removing PGM-FI Main Relay 2 (FUEL PUMP) From The Under-Hood Fuse/Relay Box

37. Check for continuity between ECM/PCM connector terminal E9 and body ground.

Is there continuity?

YES: Repair short in the wire between the No. 19 FUEL PUMP (15A) fuse and the
ECM/PCM (E9), or between the No. 19 FUEL PUMP (15A) fuse and PGM-FI main relay 2
(FUEL PUMP). Also replace the No. 19 FUEL PUMP (15A) fuse.

NO: Go to step 38.

2004 Acura TSX

2004 ENGINE PERFORMANCE PGM-FI System - TSX

Fig. 109: Checking For Continuity Between ECM/PCM Connector Terminal E9 & Body
Ground

38. Remove the trunk floor trim panel (see TRIM REMOVAL/INSTALLATION - TRUNK AREA ).

39. Remove the access panel from the floor (see FUEL PUMP/FUEL GAUGE SENDING UNIT

REPLACEMENT ).

40. Disconnect the fuel pump 5P connector.

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

Is there continuity?

YES: Repair short in the wire between the fuel pump and PGM-FI main relay 2 (FUEL
PUMP). Also replace the No. 19 FUEL PUMP (15A) fuse.

NO: Go to step 42.

2004 Acura TSX

2004 ENGINE PERFORMANCE PGM-FI System - TSX

Fig. 110: Checking For Continuity Between Fuel Pump 5P Connector Terminal No. 5 & Body
Ground

42. Reinstall PGM-FI main relay 2 (FUEL PUMP) (A).

2004 Acura TSX

2004 ENGINE PERFORMANCE PGM-FI System - TSX

Fig. 111: Reinstalling PGM-FI Main Relay 2 (FUEL PUMP)

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

Is there continuity?

YES: Replace PGM-FI main relay 2 (FUEL PUMP). Also replace the No. 19 FUEL PUMP
(15A) fuse.

NO: Check the fuel pump, and replace it if necessary. Also replace the No. 19 FUEL PUMP
(15A) fuse.

2004 Acura TSX

2004 ENGINE PERFORMANCE PGM-FI System - TSX