Acura RL. Manual - part 194

YES - Go to step 9. 

NO - Repair open in the wire between AcuraLink control unit (XM receiver) connector A (20P) No. 
11 terminal and body ground (G602). 

9. Disconnect audio unit connector C(14P), AcuraLink control unit (XM receiver) connector A (20P), 

navigation unit connector A (20P), and display panel control unit connector (20P).  

10. Check for continuity between AcuraLink control unit (XM receiver) connector A (20P) and body 

ground according to the table. Then check for continuity between the same terminals listed in the table 
and the AcuraLink control unit (XM receiver) connector A (20P) No. 18 terminal (the harness shield). 

ACURALINK CONTROL UNIT (XM RECEIVER) CONNECTOR SPECIFICATIONS 

Fig. 57: Identifying Acuralink Control Unit (XM Receiver) Connector A (20P) Wire Side Of 
Female Terminals 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Repair short in the appropriate wire between the audio unit and the AcuraLink control unit 
(XM receiver) or replace the appropriate shielded harness. 

NO - Go to step 11. 

11. Check for continuity between AcuraLink control unit (XM receiver) connector A (20P) and audio unit 

connector C (14P) according to the table. 

ACURALINK CONTROL UNIT (XM RECEIVER) CONNECTOR SPECIFICATIONS 

AcuraLink control unit (XM receiver) connector Wire color

A7

GRN

A17

RED

AcuraLink control unit {XM receiver) connector Audio unit connector Wire color

A7

C9

GRN

A17

C10

RED

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Audio System - RL

  

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Fig. 58: Identifying Acuralink Control Unit (XM Receiver) Connector A (20P) And Audio Unit 
Connector C (14P) Wire Side Of Female Terminals 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Go to step 12. 

NO - Repair open in the appropriate wire between the audio unit and the AcuraLink control unit (XM 
receiver). 

12. Check for continuity between AcuraLink control unit (XM receiver) connector A (20P) and 

navigation unit connector A (20P) according to the table. 

ACURALINK CONTROL UNIT (XM RECEIVER) CONNECTOR SPECIFICATIONS 

Fig. 59: Identifying Acuralink Control Unit (XM Receiver) Connector A (20P) And Navigation 
Unit Connector A (20P) Wire Side Of Female Terminals 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Go to step 13. 

NO - Repair open in the appropriate wire between the navigation unit and the AcuraLink control unit 

AcuraLink control unit (XM receiver) connector Navigation unit connector Wire color

A7

A10

GRN

A17

A20

RED

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Audio System - RL

  

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(XM receiver). 

13. Check for continuity between AcuraLink control unit (XM receiver) connector A (20P) and the 

display panel control unit (20P) connector according to the table. 

ACURALINK CONTROL UNIT (XM RECEIVER) CONNECTOR SPECIFICATIONS 

Fig. 60: Identifying Acuralink Control Unit (XM Receiver) Connector A (20P) And Display 
Panel Control Unit (20P) Connector (Wire Side Of Female Terminals) 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Substitute a known-good AcuraLink control unit (XM receiver), then reconnect all of the 
connectors and recheck. If the symptom/indicated goes away, update the AcuraLink control unit if it 
does not have the latest software, then recheck. If the software is the latest, replace the AcuraLink 
control unit (see ACURALINK CONTROL UNIT (XM RECEIVER) 
REMOVAL/INSTALLATION ). If the symptom/indicated is still present replace the audio unit. 

NO - Repair open in the appropriate wire between the display panel control unit and the AcuraLink 
control unit (XM receiver). 

XM RADIO DISPLAY IS BLANK AND NO STATION INFORMATION IS DISPLAYED 
(WITHOUT ACURALINK) 

1. Turn the ignition switch to LOCK (0).  

2. Disconnect XM receiver connector A (14P).  

3. Measure the voltage between XM receiver connector A (14P) No. 1 terminal and body ground. 

AcuraLink control unit (XM receiver) 

connector

Display panel control unit 

connector

Wire 
color

A7

5

GRN

A17

15

RED

NOTE:



Check vehicle battery condition first.  



Always check the connectors for poor connections or loose terminals. 

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Audio System - RL

  

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© 2005 Mitchell Repair Information Company, LLC. 

Fig. 61: Measuring Voltage Between XM Receiver Connector A (14P) No. 1 Terminal And Body 
Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there battery voltage?  

YES - Go to step 4. 

NO - Repair open in the wire between fuse No. 5 (7.5A) in the driver's under-dash fuse/relay box and 
XM receiver connector A (14P) No. 1 terminal. 

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

5. Measure the voltage between XM receiver connector A (14P) No. 2 terminal and body ground. 

Fig. 62: Measuring Voltage Between XM Receiver Connector A (14P) No. 2 Terminal And Body 
Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there battery voltage?  

YES - Go to step 6. 

NO - Repair open in the wire between audio unit connector C (14P) No. 2 terminal and XM receiver 
connector A (14P) No. 2 terminal. 

6. Reconnect XM receiver connector A (14P).  

7. Measure the voltage between XM receiver connector A (14P) No. 11 terminal and body ground. 

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Audio System - RL

  

me 

 

Friday, June 05, 2009 3:53:07 PM

Page 57 

© 2005 Mitchell Repair Information Company, LLC.