Acura RL. Manual - part 654

YES - Replace the original AcuraLink control unit. Refer to ACURALINK article. Register the new 
AcuraLink control unit with XM radio and Acura Client Services. Return the vehicle to the client. 

NO - Substitute a known-good navigation control unit. If the problem goes away, replace the original 
navigation control unit. 

TRIP COMPUTER-NO DISTANCE 

Diagnostic Test: Car Status  

1. Go into the diagnostic mode and use "Car Status" diagnostic (see CAR STATUS ) to check for a 

vehicle speed pulse (VSP). 

Is there a VSP when the vehicle is moving?  

YES - Check the CAN bus wires for an open or short to ground between navigation unit connector A 
(20P) No. 8 and No. 18 terminals and PCM connector E (31P) No. 15 and No. 26 terminals. If OK, 
replace the navigation unit. 

NO - Check the VSP wire for an open or short to ground between navigation unit connector C (8P) 
terminal No. 6 and PCM connector E (31P) No. 11 terminal. 

TRIP COMPUTER-NO FUEL INFORMATION 

Diagnostic Test: Navi System Link  

NOTE:



Check the vehicle battery condition first.  



Always check for and resolve all CAN DTCs before troubleshooting the 
navigation system.  



Always check the connectors for poor connections or loose terminals.  



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



After troubleshooting, enter the anti-theft codes for the audio system 
and the navigation system.  



Verify that the correct navigation unit is installed for this model. Go into 
the Diagnostic mode and use "Version" (see VERSION ).  



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



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

NOTE:



Check the vehicle battery condition first.  



Always check for and resolve all CAN DTCs before troubleshooting the 
navigation system.  



Always check the connectors for poor connections or loose terminals.  



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

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL

  

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© 2005 Mitchell Repair Information Company, LLC. 

Perform the "Navi System Link" check (see NAVI SYSTEM LINK ) to check the communication line 
between the PCM (FI-ECU) and the navigation unit. 

1. Start the engine.  

2. Go into the diagnostic mode and use "Trip Information" diagnostic under Functional Setup (see 

FUNCTIONAL SETUP ). 

Are the values greater than zero?  

YES - The system is OK. 

NO - Check for B or F-CAN DTCs, then troubleshoot them. 

REARVIEW CAMERA IMAGE DOES NOT COME ON OR WORK PROPERLY 

1. Turn the ignition switch ON (II), and start the engine. 

Does the Navigation screen come on and show an image when the vehicle is started?  

YES - Go to step 2. 

NO - Go to troubleshooting for "NO PICTURE IS DISPLAYED" . 

2. Go into the diagnostic menu and use the "Navi System Link" test (see NAVI SYSTEM LINK ) to 

check the connection between the navigation unit and the rearview camera. (If there is no "R-camera" 
link in the "Navi System Link" test, go to step 11). 

Is the "R-camera" link red on the screen?  

YES - Go to step 3. 

NO - Go to step 10. 

3. Check the connections between navigation unit connector G (7P) and the rearview camera connector 

(6P). 

Are the connections OK?  

YES - Go to step 4. 

NO - Reconnect the connectors. 



After troubleshooting, enter the navigation system anti-theft codes.  



Verify that the correct navigation unit is installed for this model. Go into 
the diagnostic mode and use "Version" (see VERSION ).  



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



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

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL

  

me 

 

Friday, June 05, 2009 3:28:15 PM

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© 2005 Mitchell Repair Information Company, LLC. 

4. Disconnect navigation unit connector G (7P) and rearview camera connector (6P). 

NAVIGATION UNIT CONNECTOR REFERENCE 

Fig. 48: Checking Connections Between Navigation Unit Connector G (7P) And Rearview 
Camera Connector (6P) 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Go to step 5. 

NO - Repair open in the wire between navigation unit connector D (7P) and rearview camera 
connector (6P). 

5. Check for continuity between navigation unit connector G (7P) and body ground according to the 

table. Then check for continuity between navigation unit connector G (7P) No. 6 terminal, rearview 
camera 6P connector No. 5 terminal and same terminals. 

NAVIGATION UNIT CONNECTOR REFERENCE 

Is there continuity?  

YES - Repair short in the wire between navigation unit and the rearview camera, or replace the 
appropriate shielded harness. 

NO - Go to step 6. 

Navigation unit connector Rearview camera Wire color

G1

1

WHT

G2

2

BLK

G4

3

RED

G5

4

YEL

G6

5

GRY

G7

6

GRN

Navigation unit connector Wire color

G1

WHT

G2

BLK

G4

RED

G5

YEL

G7

GRN

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL

  

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© 2005 Mitchell Repair Information Company, LLC. 

6. Turn the ignition switch ON (II), and measure the voltage between navigation unit connector G (7P) 

and body ground according to the table. 

NAVIGATION UNIT CONNECTOR REFERENCE 

Is there 0.1 V or more?  

YES - Repair short in the wire between the navigation unit and the rearview camera, or replace the 
appropriate shielded harness. 

NO - Go to step 7. 

7. Turn the ignition switch OFF.  

8. Reconnect the rearview camera connector (6P).  

9. Substitute and connect a known-good navigation unit and check the rearview camera image in 

reverse. 

Is the rearview image OK?  

YES - Replace the original navigation unit. 

NO - Replace the rearview camera. 

10. Select the "Return" in the upper right corner of the screen to return the main menu, then go to 

"VERSION" .  

11. Check the model code that is displayed. 

Is the correct navigation unit model code displayed for this vehicle?  

YES - Go to step 12. 

NO - The wrong navigation unit in installed. Replace the navigation unit with the correct part. 

12. Remove the DVD disc from the navigation unit and check the label color of the DVD disc. 

Is the DVD disc label white (or possibly gray for Canada)?  

YES - Reinsert the DVD disc, and go to step 4. 

NO - Replace the DVD disc with the correct color. See the Obtaining a Navigation DVD in the 
"General Troubleshooting Information" (see GENERAL TROUBLESHOOTING 

Navigation unit connector Wire color

G1

WHT

G2

BLK

G4

RED

G5

YEL

G7

GRN

G6

GRY

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL

  

me 

 

Friday, June 05, 2009 3:28:15 PM

Page 78 

© 2005 Mitchell Repair Information Company, LLC.