Acura RL. Manual - part 646

Fig. 25: Navigation System (With Acuralink) - Circuit Diagram (2 Of 2) 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Without AcuraLink  

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL

  

me 

 

Friday, June 05, 2009 3:28:15 PM

Page 43 

© 2005 Mitchell Repair Information Company, LLC. 

Fig. 26: Navigation System (Without Acuralink) - Circuit Diagram (1 Of 2) 
Courtesy of AMERICAN HONDA MOTOR CO., INC.

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL

  

me 

 

Friday, June 05, 2009 3:28:15 PM

Page 44 

© 2005 Mitchell Repair Information Company, LLC. 

Fig. 27: Navigation System (Without Acuralink) - Circuit Diagram (2 Of 2) 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

SYMPTOM TROUBLESHOOTING 

NO PICTURE IS DISPLAYED 

Diagnostic Test: Navi System Link  

NOTE:



Check the vehicle battery condition first.  



Always make sure that the correct DVD color and version are installed.  



Inspect the DVD for dirt or damage.  

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL

  

me 

 

Friday, June 05, 2009 3:28:15 PM

Page 45 

© 2005 Mitchell Repair Information Company, LLC. 

1. Check the No. 5 (7.5A), No. 7 (10A) fuse and No. 32 (10A) fuse in the driver's under-dash fuse relay 

box, and reinstall the fuses if they are OK. 

Are the fuses OK?  

YES - Go to step 2. 

NO - Replace the fuse and recheck. 

2. Turn the ignition switch to ACC (I).  

3. Operate the radio and listen to the audio. 

Can you hear the audio?  

YES - Go to step 4. 

NO - Check the ACC circuit. 

4. Turn the ignition switch to ON (II).  

5. Measure the voltage between body ground and navigation unit connector C (8P) No. 1 and No. 2 

terminals individually. 

Fig. 28: Measuring Voltage Between Body Ground And Navigation Unit Connector C (8P) No. 
1, 2 Terminals 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there battery voltage?  

YES - Go to step 6. 

NO - If the +B wire does not have voltage, repair open in the wire between the driver's under-dash 



Check on-line for service bulletins or other service information for the 
navigation system.  



Always check the connectors for poor connections or loose terminals.  



Before troubleshooting, make sure you have the anti-theft code for the 
audio system and the navigation system.  



Enter the anti-theft codes for the audio system and the navigation 
system.  

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL

  

me 

 

Friday, June 05, 2009 3:28:15 PM

Page 46 

© 2005 Mitchell Repair Information Company, LLC.