Acura RL. Manual - part 525

Is the fuse blown?  

YES - Repair short in the wire between PGM-FI main relay 2 (FUEL PUMP) and the No. 19 FUEL 
PUMP (20 A) fuse. Also replace the No. 19 FUEL PUMP (20 A) fuse, then go to step 68. 

NO - Go to step 7. 

7. Disconnect the fuel pump control module 10P connector (see FUEL PUMP CONTROL MODULE 

REPLACEMENT ).  

8. Turn the ignition switch ON (II), and measure voltage between fuel pump control module 10P 

connector terminals No. 3 and No. 8 within 2 seconds. 

Fig. 14: Measuring Voltage Between Fuel Pump Control Module 10P Connector Terminals No. 
3 And No. 8 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there battery voltage?  

YES - Go to step 23. 

NO - Go to step 9. 

9. Turn the ignition switch OFF.  

10. Remove the left kick panel (see step 3 under TRIM REMOVAL/INSTALLATION - DOOR 

AREAS ), then remove PGM-FI main relay 2 (FUEL PUMP) (A) from the driver's under-dash 
fuse/relay box. 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

me 

 

Friday, June 05, 2009 3:13:31 PM

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© 2005 Mitchell Repair Information Company, LLC. 

Fig. 15: Identifying PGM-FI Main Relay 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

11. Test PGM-FI main relay 2 (FUEL PUMP) (see POWER RELAY TEST ). 

Is PGM-FI main relay 2 (FUEL PUMP) OK?  

YES - Go to step 12. 

NO - Replace PGM-FI main relay 2 (FUEL PUMP), then go to step 68. 

12. Turn the ignition switch ON (II).  

13. Measure voltage between PGM-FI main relay 2 (FUEL PUMP) 4P connector terminal No. 3 and body 

ground. 

Fig. 16: Measuring Voltage Between PGM-FI Main Relay 2 (Fuel Pump) 4P Connector 
Terminal No. 3 And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there battery voltage?  

YES - Go to step 14. 

NO -  

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

me 

 

Friday, June 05, 2009 3:13:31 PM

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© 2005 Mitchell Repair Information Company, LLC. 



Replace PGM-FI main relay 1 (Fl MAIN), then go to step 68.  



If needed, replace the driver's under-dash fuse/ relay box (see DRIVER'S UNDER-DASH 
FUSE/RELAY BOX (MICU) REMOVAL/INSTALLATION ), then go to step 68.  

14. Measure voltage between PGM-FI main relay 2 (FUEL PUMP) 4P connector terminal No. 1 and body 

ground. 

Fig. 17: Measuring Voltage Between PGM-FI Main Relay 2 (Fuel Pump) 4P Connector 
Terminal No. 1 And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there battery voltage?  

YES - Go to step 15. 

NO - Replace the driver's under-dash fuse/relay box (see DRIVER'S UNDER-DASH 
FUSE/RELAY BOX (MICU) REMOVAL/INSTALLATION ), then go to step 68. 

15. Turn the ignition switch OFF.  

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

wire. 

Fig. 18: Connecting PGM-FI Main Relay 2 (Fuel Pump) 4P Connector Terminals No. 1 And 2 
With Jumper Wire 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

17. Turn the ignition switch ON (II), and measure voltage between fuel pump control module 10P 

connector terminal No. 3 and body ground within 2 seconds. 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

me 

 

Friday, June 05, 2009 3:13:31 PM

Page 15 

© 2005 Mitchell Repair Information Company, LLC. 

Fig. 19: Measuring Voltage Between Fuel Pump Control Module 10P Connector Terminal No. 3 
And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there battery voltage?  

YES - Go to step 18. 

NO -  



Repair open in the wire between the driver's under-dash fuse/relay box and the fuel pump 
control module, then go to step 68.  



If needed, replace the driver's under-dash fuse/ relay box (see DRIVER'S UNDER-DASH 
FUSE/RELAY BOX (MICU) REMOVAL/INSTALLATION ), then go to step 68.  

18. Turn the ignition switch OFF.  

19. Jump the SCS line with the HDS.  

20. Disconnect PCM connector E (31P).  

21. Connect PGM-FI main relay 2 (FUEL PUMP) 4P connector terminal No. 4 to body ground with a 

jumper wire. 

Fig. 20: Connecting PGM-FI Main Relay 2 (Fuel Pump) 4P Connector Terminal No. 4 To Body 
Ground With Jumper Wire 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

22. Check for continuity between PCM connector terminal E2 and body ground. 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

me 

 

Friday, June 05, 2009 3:13:31 PM

Page 16 

© 2005 Mitchell Repair Information Company, LLC.