Acura RL. Instruction — page 195

Fig. 63: Measuring Voltage Between XM Receiver Connector A (14P) No. 11 Terminal And
Body Ground

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there less than 0.1 V?

YES — Go to step 8.

NO — Repair open in the wire between XM receiver connector A (14P) No. 11 terminal and body
ground (G602).

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

9. Disconnect audio unit connector C (14P), XM receiver connector A (14P), navigation unit connector

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

10. Check for continuity between XM receiver connector A (14P) and body ground according to the table.

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

XM RECEIVER CONNECTOR SPECIFICATIONS

Fig. 64: Identifying XM Receiver Connector A (14P) 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 XM receiver or replace the
appropriate shielded harness.

XM receiver connector Wire color

A9

GRN

A10

RED

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Audio System — RL

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NO — Go to step 11.

11. Check for continuity between XM receiver connector A (14P) and audio unit connector C (14P)

according to the table.

XM RECEIVER CONNECTOR SPECIFICATIONS

Fig. 65: Identifying XM Receiver Connector A (14P) 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 XM receiver.

12. Check for continuity between XM receiver connector A (14P) and navigation unit connector A (20P)

according to the table.

XM RECEIVER CONNECTOR SPECIFICATIONS

XM receiver connector Audio unit connector Wire color

A9

C9

GRN

A10

C10

RED

XM receiver connector Navigation unit connector Wire color

A9

A10

GRN

A10

A20

RED

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Audio System — RL

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© 2005 Mitchell Repair Information Company, LLC.

Fig. 66: Identifying XM Receiver Connector A (14P) 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 navigation unit arid the XM receiver.

13. Check for continuity between XM receiver connector A (14P) and the display panel control unit (20P)

connector according to the table.

XM RECEIVER CONNECTOR SPECIFICATIONS

Fig. 67: Identifying XM Receiver Connector A (14P) 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 XM receiver, then reconnect all of the connectors and recheck. If the
symptom/indicated goes away, replace the original XM receiver. If the symptom/indicated is still
present replace the audio unit.

XM receiver connector Display panel control unit connector Wire color

A9

5

GRN

A10

15

RED

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Audio System — RL

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NO — Repair open in the appropriate wire between the display panel control unit and the XM receiver.

AUDIO SYSTEM SOUND IS WEAK OR DISTORTED (DISPLAY IS NORMAL)

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

2. Turn on the audio unit and check for sound in each mode (AM, FM, XM, and CD).

Is there sound from the speakers, and is the sound quality normal in each mode?

YES — Intermittent failure. The system is OK at this time. Check for loose connections at the audio
unit, the amplifier, and each speaker.

NO — Speakers all work, sound quality is poor.

If sound quality is poor only with the XM radio, or the XM radio does not function, go to
POOR OR NO SOUND WITH THE XM RADIO .

If the sound quality is poor only with AM or FM, go to POOR RADIO RECEPTION OR
INTERFERENCE
.

If the sound is poor in all modes, go to SOUND QUALITY DIAGNOSIS .

XM RADIO PRESET MEMORY IS LOST (WITH ACURALINK)

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

2. Turn on the audio unit and set each of the XM radio channel preset buttons.

Do each of the XM radio channel preset buttons set properly?

YES — Go to step 3.

NO — Go to step 7.

3. Turn the ignition switch to LOCK (0) for 1 minute, then turn it back to ON (II).

4. Test all of the XM radio channel preset buttons for proper recall operation.

Do the preset buttons recall the set radio stations?

NOTE:

Check the vehicle battery condition first.

Always check the connectors for poor connection or loose terminals.

NOTE:

Check the vehicle battery condition first.

Always check the connectors for poor connections or loose terminals.

If you replace the AcuraLink control unit (XM receiver), the AcuraLink
must be reactivated by Acura Client Services.

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 customer support and check the
account activation status.

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Audio System — RL

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