Acura RL. Manual - part 192

Then check for continuity between the same terminals listed in the table and the audio unit connector 
A (20P) No. 14 terminal (the harness shield). 

AUDIO UNIT CONNECTOR SPECIFICATIONS 

Fig. 45: Identifying Stereo Audio Unit Connector A (20P) Wire Side of Female Terminals 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Repair short in the wire between the audio unit and the stereo amplifier or a short between the 
shield wires (replace the appropriate shielded harness). 

NO - Go to step 24. 

24. Check for continuity between audio unit connector B (32P) and body ground according to the table. 

Then check for continuity between the same terminals listed in the table and the audio unit connector 
B (32P) No. 19 terminal (the harness shield). 

AUDIO UNIT CONNECTOR SPECIFICATIONS 

Fig. 46: Identifying Audio Unit Connector B (32P) Wire Side of Female Terminals 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

Audio unit connector Wire color

A6

PUR

A16

YEL

A5

BLU

A15

ORN

A8

WHT

A18

RED

A7

GRN

A17

BLK

Audio unit connector Wire color

B1

BRN

B17

LT GRN

B2

PNK

B18

LT BLU

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Audio System - RL

  

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Friday, June 05, 2009 3:53:07 PM

Page 46 

© 2005 Mitchell Repair Information Company, LLC. 

YES - Repair short in the wire between the audio unit and the stereo amplifier or a short between the 
shield wires (replace the appropriate shielded harness). 

NO - Go to step 25. 

25. Check for continuity between audio unit connector B (32P) and body ground according to the table. 

Then check for continuity between the same terminals listed in the table and the audio unit connector 
B (32P) No. 3 terminal (the harness shield). 

AUDIO UNIT CONNECTOR SPECIFICATIONS 

Fig. 47: Identifying Audio Unit Connector B (32P) Wire Side of Female Terminals 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Repair short in the wire between the audio unit and the stereo amplifier or a short between the 
shield wires (replace the appropriate shielded harness). 

NO - Go to step 26. 

26. Check for continuity between audio unit connectors A (20P) and B (32P) and stereo amplifier 

connector A (26P) according to the table (see Fig. 47 and Fig. 48 ). 

AUDIO UNIT CONNECTOR SPECIFICATIONS 

Audio unit connector Wire color

B4

GRN

B20

RED

Audio unit connector Amplifier connector Wire color

A5

A5

BLU

A6

A19

PUR

A7

A12

GRN

A8

A25

WHT

A15

A6

ORN

A16

A20

YEL

A17

A13

BLK

A18

A26

RED

B1

A21

BRN

B2

A7

PNK

B4

A10

GRN

B17

A22

LT GRN

B18

A8

LT BLU

B20

A11

RED

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Audio System - RL

  

me 

 

Friday, June 05, 2009 3:53:07 PM

Page 47 

© 2005 Mitchell Repair Information Company, LLC. 

Fig. 48: Identifying Audio Unit Connectors A (20P) And Stereo Amplifier Connector A (26P) 
Wire Side Of Female Terminals 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Substitute a known-good audio unit and recheck. If the symptom/indication goes away, replace 
the original audio unit. If symptom is still present, substitute a known-good stereo amplifier and 
recheck. If the symptom/indication goes away, replace the original stereo amplifier. 

NO - Repair open in the appropriate wire between the audio unit and stereo amplifier. 

POOR OR NO SOUND WITH XM RADIO (AUDIO UNIT DOES DISPLAY XM CHANNELS) 

NOTE:



Check the vehicle battery condition first.  



Check the radio reception in an open area. Poor reception/interference 
can be caused by tall buildings, mountains, or high-voltage power lines 
are nearby.  



If you can only tune to channel 000,001,174, and 247, make sure the 
audio unit is set to channel mode (see owners manual), if it is set to 
channel mode, call XM Satellite Radio client support and check the 
account activation status.  



Always check the connector for poor connections or loose terminals.  



If you replace the XM receiver, the AcuraLink must be reactivated by 

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Audio System - RL

  

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Friday, June 05, 2009 3:53:07 PM

Page 48 

© 2005 Mitchell Repair Information Company, LLC. 

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

2. Turn on the audio unit and select XM radio.  

3. Check for an error message on the display. 

Are there any messages displayed?  

YES - Go to ERROR CODE list (see ). 

NO -  



With AcuraLink: Go to step 4.  



Without AcuraLink: Go to step 7.  

4. Disconnect audio unit connector C (14P) and AcuraLink control unit (XM receiver) connector A 

(20P).  

5. Check for continuity between AcuraLink control unit (XM receiver) connector C (14P) and body 

ground according to the table. Then check for continuity between the same terminals listed in the table 
and audio unit connector C (14P) No. 4 terminal (the harness shield). 

AUDIO UNIT CONNECTOR SPECIFICATIONS 

Fig. 49: Identifying Acuralink Control Unit (XM Receiver) Connector C (14P) Wire Side Of 
Female Terminals 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

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

NO - Go to step 6. 

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

connector C (14P) according to the table. 

AUDIO UNIT CONNECTOR SPECIFICATIONS 

Acura Client Services.  

Audio unit connector Wire color

C6

WHT

C14

RED

C5

GRN

C13

BLK

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Audio System - RL

  

me 

 

Friday, June 05, 2009 3:53:07 PM

Page 49 

© 2005 Mitchell Repair Information Company, LLC.