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Acura RL. Manual - part 198

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

2. Turn on the audio unit and insert six discs into the audio unit/CD changer and see if the changer

moves between discs.

Does the changer operate normally?

YES - Intermittent failure, the disc changer is OK at this time.

NO - Go to step 3.

3. Insert six known-good discs into the audio unit.

Does the changer operate normally?

YES - At least one of the original discs is faulty.

NO - Replace the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).

VOLUME DOES NOT CHANGE

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 disc).

Is the sound normal?

YES - Go to step 3.

NO - Go to AUDIO SYSTEM SOUND IS WEAK OR DISTORTED, or NO SOUND IS HEARD
FROM SPEAKER(S) .

3. Operate the volume knob to see if the volume changes.

Does the volume change?

YES - Operation is normal.

NO - Replace the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).

RADIO TUNER DOES NOT CHANGE STATIONS

player mechanism.



Check the vehicle battery condition first.



Always check the connectors for poor connection or loose terminals.

NOTE:



Set the fader and balance positions to the center.



Check the vehicle battery condition first.



Always check the connectors for poor connection or loose terminals.

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Audio System - RL

Friday, June 05, 2009 3:53:07 PM

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

2. Turn on the audio unit and check the audio information on the display panel.

Does the audio information display properly?

YES - Go to step 3.

NO - Go to POWER SWITCH WILL NOT TURN ON .

3. Operate the tuning knob to see if the radio station changes.

Does the radio station change?

YES - Intermittent failure: the tuning knob is OK at this time.

NO - Replace the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).

AUDIO DISC DOES NOT LOAD

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

2. Turn on the audio unit and insert a known-good disc to see if the symptom can be duplicated.

Does the disc load?

YES - Operation is normal. If the disc loads normally, but will not play, go to DISC DOES NOT
PLAY .

NO - Go to step 3.

3. Insert another disc.

Does the disc load?

YES - The original disc is faulty.

NO - Replace the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).

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 connection or loose terminals.



Disc labels should not be used in the audio unit. They may damage the
player mechanism.



Make sure the CD is compatible with the system (see owner's manual
for more information).

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Audio System - RL

Friday, June 05, 2009 3:53:07 PM

Page 71

Special tools required

Diagnostics CD 07AAZ-SDBA100

AUDIO DISC DOES NOT PLAY

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

2. Turn on the audio unit and try loading a disc.

Does the disc load?

YES - Go to step 3.

NO - Go to DISC DOES NOT LOAD .

3. Insert another disc to see if the symptom can be duplicated.

Does the disc play?

YES - Operation is normal.

NO - Go to step 4.

4. Insert audio diagnostic CD (T/N 07AAZ-SDBA100) in the audio unit.

Does the disc play?

YES - The original disc is faulty or has an unreadable format.

NO - Replace the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).

Special tools required



Diagnostics CD 07AAZ-SDBA100



Skip test CD 07AAZ-SDBA200



Skip test CD 07AAZ-SDBA300

AUDIO DISC SKIPS

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

2. Confirm the vehicles tires are properly inflated.

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 connection or loose terminals.

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Audio System - RL

Friday, June 05, 2009 3:53:07 PM

Page 72

3. Check the client's disc for scratches and fingerprints.

4. Test-drive the vehicle to identify when the client's CD skips. The audio diagnostic CD (T/N 07AAZ-

SDBA100) can be used if the client's CD is not available; use tracks 10-12.

Does the disc skip?

YES - Go to step 5.

NO - Operation is normal.

5. Compare the client's disc that is skips to a known-good vehicle under the same conditions.

Does the disc skip in the known-good vehicle under the same conditions?

YES - The disc player operation is normal, the problem is with the client's disc.

NO - Go to step 6.

6. Insert the diagnostic skip test disc (T/N 07AAZ-SDBA300). Play tracks 2-11, and note on which track

number(s) the disc starts skipping. Do the same test on a known-good vehicle.

Does the disc skip on same track(s) as the known-good vehicle?

YES - Operation is normal.

NO - Go to step 7.

7. Insert the diagnostic skip test disc (T/N 07AAZ-SDBA200). Play tracks 7-11 and tracks 13-15 and

note on which track number(s) where the disc starts skipping. Do the same test on a known-good
vehicle.

Does the disc skip on same track number (s) as the known-good vehicle?

YES - Operation is normal.

NO - Replace the audio unit (see AUDIO UNIT REMOVAL/INSTALLATION ).

AUDIO REMOTE SWITCH DOES NOT WORK PROPERLY

NOTE:

The following test should be done with the audio unit bass and treble
set to the client's listening settings. When comparing to known-good
vehicles, the comparison should be done on the same model and trim
level:

NOTE:

The following test should be done with vehicle parked and the engine
running.

NOTE:

2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Audio System - RL

Friday, June 05, 2009 3:53:07 PM

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