Acura RL. Manual - part 522

2005-08 ENGINE PERFORMANCE

Fuel Supply System - RL 

COMPONENT LOCATION INDEX 

Fig. 1: Identifying Fuel Supply System Component Location (1 Of 2) 
Courtesy of AMERICAN HONDA MOTOR CO., INC.

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

me 

 

Friday, June 05, 2009 3:13:30 PM

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© 2005 Mitchell Repair Information Company, LLC. 

me 

 

Friday, June 05, 2009 3:13:35 PM

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© 2005 Mitchell Repair Information Company, LLC. 

Fig. 2: Identifying Fuel Supply System Component Location (2 Of 2) 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

DTC TROUBLESHOOTING 

DTC P0461: FUEL LEVEL SENSOR (FUEL GAUGE SENDING UNIT) CIRCUIT 
RANGE/PERFORMANCE PROBLEM 

NOTE:



Before you troubleshoot, record all freeze data and any on-board 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE Fuel Supply System - RL

  

me 

 

Friday, June 05, 2009 3:13:30 PM

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© 2005 Mitchell Repair Information Company, LLC. 

1. Test the fuel gauge sending unit (see FUEL GAUGE SENDING UNIT TEST ). 

Is the fuel gauge sending unit OK?  

YES - Check for poor connections or loose terminals at the fuel gauge sending unit and the gauge 
control module. 

NO - Replace the fuel gauge sending unit (see FUEL PUMP/FUEL GAUGE SENDING UNIT 
REPLACEMENT ), then go to step 2. 

2. Turn the ignition switch ON (II).  

3. Reset the PCM with the HDS.  

4. Do the PCM idle learn procedure (see PCM IDLE LEARN PROCEDURE ).  

5. Check for Temporary DTCs or DTCs with the HDS. 

Are any Temporary DTCs or DTCs indicated?  

YES - If DTC P0461 is indicated, check for poor connections or loose terminals at the fuel gauge 
sending unit and the gauge control module, then go to step 1. If any other Temporary DTCs or DTCs 
are indicated, go to the indicated DTCs troubleshooting. 

NO - Troubleshooting is complete. 

DTC P0462: FUEL LEVEL SENSOR (FUEL GAUGE SENDING UNIT) CIRCUIT LOW 
VOLTAGE 

1. Turn the ignition switch ON (II).  

2. Clear the DTC with the HDS, and wait 5 seconds.  

3. Check for Temporary DTCs or DTCs with the HDS. 

Is DTC P0462 indicated?  

YES - Go to step 4. 

NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals 
at the gauge control module, the fuel gauge sending unit, and the secondary fuel gauge sending unit. 

4. Turn the ignition switch OFF.  

snapshot, and review the general troubleshooting information (see 
GENERAL TROUBLESHOOTING INFORMATION ).  



Because it requires 162 miles (260 km) of driving without refueling to 
complete this diagnosis, DTC P0461 cannot be duplicated during this 
troubleshooting.  

NOTE:

Before you troubleshoot, record all freeze data and any on-board snapshot, 
and review the general troubleshooting information (see GENERAL 
TROUBLESHOOTING INFORMATION ).

 

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. 

5. Remove the rear seat cushion (see REAR SEAT REMOVAL/INSTALLATION ).  

6. Remove the access panel from the right side of the floor.  

7. Disconnect the secondary fuel gauge sending unit 5P connector.  

8. Turn the ignition switch ON (II).  

9. Clear the DTC with the HDS, and wait 5 seconds.  

10. Check for Temporary DTCs or DTCs with the HDS. 

Is DTC P0463 indicated?  

YES - Check for secondary fuel gauge sending unit (see SECONDARY FUEL GAUGE SENDING 
UNIT TEST ), then go to step 31. 

NO - Go to step 11. 

11. Turn the ignition switch OFF.  

12. Remove the access panel from the leftside of the floor.  

13. Disconnect the fuel pump 5P connector.  

14. Turn the ignition switch ON (II).  

15. Clear the DTC with the HDS, and wait 5 seconds.  

16. Check for Temporary DTCs or DTCs with the HDS. 

Is DTC P0463 indicated?  

YES - Go to step 17. 

NO - Go to step 21. 

17. Turn the ignition switch OFF.  

18. Remove the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).  

19. Disconnect the gauge control module connector A (20P).  

20. Check for continuity between fuel tank unit 5P connector terminal No. 2 and body ground. 

Fig. 3: Checking Continuity Between Fuel Tank Unit 5P Connector Terminal No. 2 And Body 
Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC.

 

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.