Acura RL. Manual - part 684



Blower fan at maximum speed  



Rear window defogger on  



Headlights on high beam  

5. Hold the engine speed at 2,000 RPM (in Park or neutral) for 1 minute.  

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

Is DTC P0562 indicated?  

YES - Replace the alternator (see ALTERNATOR REMOVAL AND INSTALLATION ), then go 
to step 7. 

NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals 
at the alternator and the under-hood fuse/relay box, and check the battery performance (see 
BATTERY TEST ) 

7. Turn the ignition switch ON (II).  

8. Reset the PCM with the HDS.  

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

10. Start the engine.  

11. Check under these conditions: 



A/Con  



Temperature control at maximum cool  



Blower fan at maximum speed  



Rear window defogger on  



Headlights on high beam  

12. Hold the engine speed at 2,000 RPM (in Park or neutral) for 1 minute.  

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

Is DTC P0562 indicated?  

YES - Check for poor connections or loose terminals at the alternator and the under-hood fuse/relay 
box, then go to step 1. 

NO - Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, go to the 
indicated DTCs troubleshooting 

DTC P0563: PCM POWER SOURCE CIRCUIT UNEXPECTED VOLTAGE 

1. Turn the ignition switch ON (II).  

2. Clear the DTC with the HDS.  

3. Turn the ignition switch OFF.  

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 PGM-FI System - RL

  

me 

 

Friday, June 05, 2009 2:34:59 PM

Page 78 

© 2005 Mitchell Repair Information Company, LLC. 

4. Wait 10 seconds.  

5. Turn the ignition switch ON (II).  

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

Is DTC P0563 indicated?  

YES - Go to step 7. 

NO - Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals 
at PGM-FI main relay 1 (Fl MAIN) and the No. 8 Fl ECU (PCM) (15A) fuse in the under-hood 
fuse/relay box and the PCM. 

7. Turn the ignition switch OFF.  

8. Jump the SCS line with the HDS.  

9. Disconnect PCM connector E (31P).  

10. Measure voltage between PCM connector terminal E5 and body ground. 

Fig. 71: Measuring Voltage Between PCM Connector Terminal E5 And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there battery voltage?  

YES - Go to step 13. 

NO - Go to step 11. 

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

AREAS ). Then remove PGM-FI main relay 1 (Fl MAIN) (A) from the under-dash fuse/relay box. 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE PGM-FI System - RL

  

me 

 

Friday, June 05, 2009 2:34:59 PM

Page 79 

© 2005 Mitchell Repair Information Company, LLC. 

Fig. 72: Identifying PGM-FI Main Relay 1 (Fl MAIN) 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

12. Check for continuity between PCM connector terminal E5 and body ground. 

Fig. 73: Checking Continuity Between PCM Connector Terminal E5 And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Repair short in the wire between the PCM (E5) and PGM-FI main relay 1 (Fl MAIN), then go 
to step 20. 

NO - Go to step 19. 

13. Reconnect PCM connector E (31P).  

14. Measure voltage between PCM connector terminal E5 and body ground. 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE PGM-FI System - RL

  

me 

 

Friday, June 05, 2009 2:34:59 PM

Page 80 

© 2005 Mitchell Repair Information Company, LLC. 

Fig. 74: Measuring Voltage Between PCM Connector Terminal E5 And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there battery voltage?  

YES - Go to step 15. 

NO - Go to step 27. 

15. Disconnect PCM connector A (31P).  

16. Measure voltage between PCM connector terminal A4 and body ground. 

Fig. 75: Measuring Voltage Between PCM Connector Terminal A4 And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there battery voltage?  

YES - Go to step 17. 

NO - Go to step 27. 

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

AREAS ). Then remove PGM-FI main relay 1 (Fl MAIN) (A) from the under-dash fuse/relay box. 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE PGM-FI System - RL

  

me 

 

Friday, June 05, 2009 2:34:59 PM

Page 81 

© 2005 Mitchell Repair Information Company, LLC.