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