Audio System Acura MDX I

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'05-06 Models

The audio system displays error codes when a problem is detected with the disc changer, the disc, the XM radio, or the anti-theft code.

ERROR CODES ('05-06 MODELS)

Audio Unit Connector Inputs and Outputs ('03-04 Models Without BOSE Sound System)

When replacing an audio unit connector, match the wires to the cavities as listed in AUDIO UNIT CONNECTOR ('03-04 MODELS WITHOUT BOSE SOUND SYSTEM) .

AUDIO UNIT CONNECTOR ('03-04 MODELS WITHOUT BOSE SOUND SYSTEM)

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Audio Unit Connector Inputs And Outputs ('05-06 Models Without BOSE Sound System)

When replacing audio unit connectors, match the wires to the cavities listed in AUDIO UNIT CONNECTOR ('05-06 MODELS WITHOUT BOSE SOUND SYSTEM) CONNECTOR A , AUDIO UNIT CONNECTOR ('05-06 MODELS WITHOUT BOSE SOUND SYSTEM) CONNECTOR D , AUDIO UNIT CONNECTOR ('05-06 MODELS WITHOUT BOSE SOUND SYSTEM) CONNECTOR E or AUDIO UNIT CONNECTOR ('05-06 MODELS WITHOUT BOSE SOUND SYSTEM) ANTENNA LEAD CONNECTOR .

Connector A

AUDIO UNIT CONNECTOR ('05-06 MODELS WITHOUT BOSE SOUND SYSTEM) CONNECTOR A

Connector D

AUDIO UNIT CONNECTOR ('05-06 MODELS WITHOUT BOSE SOUND SYSTEM) CONNECTOR D

Connector E

AUDIO UNIT CONNECTOR ('05-06 MODELS WITHOUT BOSE SOUND SYSTEM) CONNECTOR E

Antenna Lead Connector

AUDIO UNIT CONNECTOR ('05-06 MODELS WITHOUT BOSE SOUND SYSTEM) ANTENNA LEAD CONNECTOR

Scheme 5

Audio Unit Connector A Inputs and Outputs ('03-04 Models With BOSE Sound System Without Rear Entertainment System)

When replacing an audio unit connector, match the wires to the cavities as listed in AUDIO UNIT CONNECTOR A ('03-04 MODELS WITH BOSE SOUND SYSTEM WITHOUT REAR ENTERTAINMENT SYSTEM) .

AUDIO UNIT CONNECTOR A ('03-04 MODELS WITH BOSE SOUND SYSTEM WITHOUT REAR ENTERTAINMENT SYSTEM)

Scheme 6

Audio Unit Connector Inputs and Outputs ('05-06 Models With BOSE Sound System Without Rear Entertainment System)

When replacing audio unit connectors, match the wires to the cavities listed in AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM WITHOUT REAR ENTERTAINMENT SYSTEM) CONNECTOR A , AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM WITHOUT REAR ENTERTAINMENT SYSTEM) CONNECTOR D , AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM WITHOUT REAR ENTERTAINMENT SYSTEM) CONNECTOR F or AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM WITHOUT REAR ENTERTAINMENT SYSTEM) ANTENNA LEAD CONNECTOR .

AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM WITHOUT REAR ENTERTAINMENT SYSTEM) CONNECTOR A

AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM WITHOUT REAR ENTERTAINMENT SYSTEM) CONNECTOR D

Connector F

AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM WITHOUT REAR ENTERTAINMENT SYSTEM) CONNECTOR F

AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM WITHOUT REAR ENTERTAINMENT SYSTEM) ANTENNA LEAD CONNECTOR

Scheme 7

Audio Unit Connector Inputs and Outputs ('03-04 Models With BOSE Sound System And Rear Entertainment System)

When replacing an audio unit connector, match the wires to the cavities as listed in AUDIO UNIT CONNECTOR ('03-04 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR A , AUDIO UNIT CONNECTOR ('03-04 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR B , AUDIO UNIT CONNECTOR ('03-04 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR C or AUDIO UNIT CONNECTOR ('03-04 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR D .

AUDIO UNIT CONNECTOR ('03-04 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR A

Connector B

AUDIO UNIT CONNECTOR ('03-04 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR B

Connector C

AUDIO UNIT CONNECTOR ('03-04 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR C

AUDIO UNIT CONNECTOR ('03-04 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR D

Scheme 8

Audio Unit Connector Inputs and Outputs ('05-06 Models With BOSE Sound System and Rear Entertainment System)

When replacing audio unit connectors, match the wires to the cavities listed in AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR A , AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR B , AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR C , AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR D , AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR E or AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) ANTENNA LEAD CONNECTOR .

AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR A

AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR B

AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR C

AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR D

AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) CONNECTOR E

AUDIO UNIT CONNECTOR ('05-06 MODELS WITH BOSE SOUND SYSTEM AND REAR ENTERTAINMENT SYSTEM) ANTENNA LEAD CONNECTOR

Scheme 9

Rear Stereo Amplifier Connector Inputs and Outputs (Without BOSE Sound System)

When replacing a stereo amplifier connector, match the wires to the cavities as listed in the following table.

Scheme 10

Front Stereo Amplifier Connector Inputs and Outputs ('03 Model With BOSE Sound System)

When replacing a stereo amplifier connector, match the wires to the cavities as listed in the following table.

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Rear Stereo Amplifier Connector Inputs and Outputs ('03 Model With BOSE Sound System)

When replacing a stereo amplifier unit connector, match the wires to the cavities as listed in the following table.

Scheme 12

Stereo Amplifier Connector Inputs and Outputs ('04-06 Models With BOSE Sound System)

When replacing a stereo amplifier connector, match the wires to the cavities as listed in the following table.

Scheme 13

XM Receiver Connector Inputs and Outputs ('05-06 USA Models)

When replacing an XM receiver connector, match the wires to the cavities listed in the following table.

Scheme 14

CD Changer Connector Inputs and Outputs ('03-04 Models)

Note. For Rear Entertainment Circuit Diagrams, refer to Audio System Circuit Diagrams (see 03-04 MODELS WITH REAR ENTERTAINMENT SYSTEM ).

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Symptom Troubleshooting Index

SYMPTOM TROUBLESHOOTING INDEX

Poor AM/FM Radio Reception Or Interference

Note. Check the AM/FM radio reception in an open area. Poor reception/interference can be caused by the following: The radio station is too far away. A tall building, a mountain, or high-voltage power line is nearby. Aftermarket window tinting.

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1. Check if each AM/FM radio station can be received normally. Compare the radio reception/interference to another vehicle of the same model and trim level in the exact same conditions. Are they the same? YES - Operation is normal. NO - Go to step 2.
2. Check if the AM/FM radio reception/interference is the same in several locations. Is the reception/interference the same? YES - Go to step 3. NO - Multipath interference or weak station. Operation is normal.
3. Check the reception/interference while the engine is running. Is there noise (static or whine) only with the engine running? YES - Check the antenna and radio grounds. If OK, check the charging system and the ignition system. NO - With XM radio: go to step 4. Without XM radio: go to step 15.
4. Wrap aluminum foil (A) around the tip of a tester probe (B) (Scheme 35)
5. Touch one tester probe to the window antenna terminal (A) here, and move the other tester probe along the antenna wires to check that continuity exists. Repair it continuity does not exist.
6. Remove the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ). Check that antenna lead is properly connected. Is it connected properly? YES - Go to step 7. NO - Reconnect the connector, and recheck the function.
7. Disconnect the antenna amplifier connector from the antenna amplifier.
8. Measure voltage between the antenna amplifier connector No. 3 terminal and body ground. Is there battery voltage? YES - Go to step 9. NO - Faulty antenna lead.
9. Remove the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).
10. Check for continuity between the audio unit antenna cable 3P connector No. 3 terminal and the antenna module 3P connector No. 3 terminal. Is there continuity? YES - Go to step 11. NO - Repair the open in the wire between the audio unit and the antenna module.
11. Check for continuity between the audio unit antenna cable 3P connector No. 1 terminal and the antenna module 3P connector No. 1 terminal. Is there continuity? YES - Go to step 12. NO - Replace the antenna lead.
12. Check for continuity between the audio unit antenna cable 3P connector No. 1 terminal and body ground. Is there continuity? YES - Replace the antenna lead. NO - Go to step 13.
13. Check for continuity between the audio unit antenna cable 3P connector No. 2 terminal and the antenna module 3P connector No. 2 terminal. Is there continuity? YES - Replace the antenna lead. NO - Go to step 14.
14. Check for continuity between the audio unit antenna cable 3P connector No. 1 and No. 2 terminals. Is there continuity? YES - Replace the antenna lead. NO - Replace the antenna module, and recheck. If the reception is still poor, replace the audio unit.
15. Remove the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).
16. Disconnect the antenna leads from the audio unit and mast antenna.
17. Check for continuity between the antenna lead center pin at the audio unit lead and the antenna lead center pin at the antenna module unit lead. Is there continuity? YES - Go to step 18. NO - Replace the antenna lead.
18. Check for continuity between the shield surface of the audio unit lead and the shield surface of the antenna module unit lead. Is there continuity? YES - Go to step 19. NO - Replace the antenna lead.
19. Check for continuity between the antenna lead center pin and the surface of the antenna lead. Is there continuity? YES - Replace the antenna lead. NO - Go to step 20.
20. Disconnect the audio unit connector A (20P).
21. Check for continuity between audio unit connector A (20P) terminal No. 1 and antenna amplifier connector No. 1 terminal. Is there continuity? YES - Substitute a known-good audio unit and retest. NO - Repair the open in the wire between the audio unit and the antenna module.

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1. With the ignition switch ON (II), push the power switch ON to see if the audio unit turns ON. Does the power turn on? YES - Operation is normal. If the display turns on, but no sound is heard or if the display does not turn on, but the display is OK, go to the symptom troubleshooting. NO - Go to step 2.
2. Turn the ignition switch OFF, then check the No. 48 (20 A) fuse in the under-hood fuse/relay box and No. 9 (15 A) fuse in the passenger's under-dash fuse/ relay box. Are the fuses OK? YES - Go to step 3. NO - Replace the fuse(s) and recheck.
3. Remove the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ). Check that audio unit connector A (20P) is properly connected. Is it connected properly YES - Go to step 4. NO - Reconnect the connector, and recheck the function.
4. Measure voltage between audio unit connector (20P) No. 10 terminal and body ground. Is there battery voltage? YES - Go to step 5. NO - Repair the open circuit or poor connection in wire between the under-hood fuse/relay box and audio unit connector (20P) No. 10 terminal.
5. Turn the ignition switch ON (II).
6. Measure voltage between the audio unit connector (20P) No. 2 terminal and body ground. Is there battery voltage? YES - Go to step 7. NO - Repair the open circuit or poor connection in the wire between the passenger's under-dash fuse/ relay box and audio unit.
7. Turn the ignition switch OFF, then check for voltage between audio unit connector (20P) No. 20 terminal and body ground. Is there less than 0.1 V? YES - Replace the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ). NO - Repair an open in the wire or poor ground.

Scheme 50

1. With the ignition switch ON (II), push the power switch OFF or turn the ignition switch OFF to see if the audio unit turns OFF. Is the audio unit OFF? YES - Operation is normal. NO - Go to step 2.
2. Turn the ignition switch OFF.
3. Remove the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ), then disconnect the audio unit connector A (20P).
4. Measure voltage between the audio unit connector (20P) No. 2 terminal and body ground. Is there battery voltage? YES - Repair a short to power in the wire. NO - Replace the audio unit.

Radio Preset Memory Is Lost

Note. If only XM stations are lost, go to XM radio preset memory is lost (see XM RADIO PRESET MEMORY IS LOST ).

1. Set each of the radio station preset buttons. Do each of the preset buttons set properly? YES - Go to step 2. NO - Replace the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).
2. Turn the ignition switch OFF for 1 minute, then turn it back to ON (II).
3. Test all the preset buttons for proper recall operation. Do the preset buttons recall the set radio stations? YES - System is normal at this time. Check connections at the audio unit. NO - Replace the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).

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1. Set each of the XM radio channel preset buttons. Do each of the XM radio channel preset buttons set properly? YES - Go to step 2. NO - Replace the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).
2. Turn the ignition switch OFF for 1 minute, then turn it back to ON (II).
3. Test all of the XM radio channel preset buttons for proper recall operation. Do the preset buttons recall the set radio stations? YES - System is normal at this time. Check connections at the audio unit. NO - Go to step 4.
4. Turn the ignition switch OFF.
5. Remove the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).
6. Measure voltage between the audio unit connector (20P) No. 10 terminal and body ground. Is there battery voltage? YES - Go to step 7. NO - Repair an open wire between the under-hood fuse/relay box and audio unit connector A (20P) No. 10 terminal.
7. Check for voltage between the audio unit connector (20P) No. 20 terminal and body ground. Is there less than 0.1 V? YES - Replace the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ). NO - Repair an open in the wire between audio unit connector A (20P) No. 20 terminal and body ground (G502).

Note. Set the fader and balance positions to the center. Before performing symptom troubleshooting, check for power switch will not turn ON troubleshooting (see POWER SWITCH WILL NOT TURN ON (NO INFORMATION DISPLAY AND NO SOUND) ). Cancel the navigation MUTE mode (if navigation applicable).

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1. Check for sound in each mode (AM, FM, XM, and disc). Is the sound OK in each mode? YES - Intermittent failure. The system is OK at this time. Check for loose connections at the audio unit and amplifier. NO - Go to step 2.
2. Check to see if there is a specific speaker that has no sound. Do any or all of the speakers fail to sound? YES - If at least one speaker is OK, go to step 3. NO - If sound is only poor with XM radio, go to poor sound with XM radio (see «POOR OR NO SOUND WITH XM RADIO»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) ). If the sound is only poor with AM or FM, go to poor radio reception or interference (see «POOR AM/FM RADIO RECEPTION OR INTERFERENCE»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__poor-amfm-radio-reception-or-interference) ).
3. Remove the speaker(s) that fail(s) to sound (see «SPEAKER REPLACEMENT»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) ), and disconnect its connector.
4. Measure the resistance between the speaker 2P connector terminals No. 1 and No. 2. Is there resistance about 2-4 ohms? YES - With BOSE sound system: Go to step 9 . Without BOSE sound system: Go to step 5. NO - Faulty speaker(s).
5. Disconnect the audio unit connector A (20P).
6. Check for continuity between the audio unit connector A (20 A) terminals according to «AUDIO UNIT CONNECTOR A (20 A) TERMINALS»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) . AUDIO UNIT CONNECTOR A (20 A) TERMINALS Speaker Terminal Wire color Driver's door speaker, Left tweeter A8(+) BLU/GRN A18(-) GRY/BLK Front passenger's door speaker, Right tweeter A7(+) RED/GRN A17(-) BRN/BLK Left rear speaker A6(+) BLU/YEL A16(-) GRY/WHT Right rear speaker A5(+) RED/YEL A15(-) BRN/WHT Is there continuity? YES - Go to step 7. NO - Repair an open in the wire between the audio unit and speaker.
7. Disconnect the 2P connector(s) to the speaker(s).
8. Check for continuity between body ground and audio unit connector A (20P) terminals No. 5, 6, 7, 8, 15, 16, 17 and 18 individually. Is there continuity? YES - Repair a short in the wire. NO - Substitute a known-good audio unit and recheck. If the symptom/indication goes away, replace the original audio unit.
9. Disconnect the stereo amplifier connector A (14P) and B (23P).
10. Measure voltage between stereo amplifier connector A (14P) No. 4 terminal and body ground. Is there battery voltage? YES - Go to step 11. NO - Repair an open in the wire.
11. Turn the ignition switch ON (II).
12. Measure voltage between stereo amplifier connector B (23P) No. 22 terminal and body ground. Is there battery voltage? YES - Go to step 13. NO - Repair an open in the wire.
13. Check for voltage between the stereo amplifier connector A (14P) No. 3 terminal and body ground. Is there less than 0.1 V? YES - Go to step 14. NO - Repair an open in the wire between the stereo amplifier connector A (14P) No. 3 terminal and body ground (G502).
14. Check for continuity between the stereo amplifier connector A (14P) and B (23P) terminals and body ground according to «STEREO AMPLIFIER CONNECTOR A (14P) AND B (23P) TERMINALS AND BODY GROUND»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) . STEREO AMPLIFIER CONNECTOR A (14P) AND B (23P) TERMINALS AND BODY GROUND Speaker Terminal Wire color Driver's door speaker, Left tweeter B23 BLU/GRN B10 GRY/BLK Front passenger's door speaker, Right tweeter B11 RED/GRN B1 BRN/BLK Left rear speaker A7 BLU/YEL A2 GRY/WHT Right rear speaker A6 RED/YEL A1 BLU/YEL Woofer A14 BLK/YEL A5 WHT/BLU REAR TWEETER A12 GRN/YEL A13 BLU/YEL Is there continuity? YES - Repair short in the wire. NO - Go to step 15.
15. Reconnect the connector to the speaker.
16. Disconnect the audio unit connector A (20P).
17. Check for continuity between the stereo amplifier connector B (23P) and body ground according to «STEREO AMPLIFIER CONNECTOR B (23P) AND BODY GROUND»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) . STEREO AMPLIFIER CONNECTOR B (23P) AND BODY GROUND Amplifier connector Wire color B6 RED B7 YEL B8 WHT B17 BLK B18 BLU B19 GRN B20 BRN B21 ORN Is there continuity? YES - Repair a short in the wire. NO - Go to step 18.
18. Check for continuity between the audio unit connector A and stereo amplifier connector B according to «AUDIO UNIT CONNECTOR A AND STEREO AMPLIFIER CONNECTOR B»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) . AUDIO UNIT CONNECTOR A AND STEREO AMPLIFIER CONNECTOR B Audio unit connector Amplifier connector Wire color A5 B18 BLU A6 B6 RED A7 B7 YEL A8 B8 WHT A15 B17 BLK A16 B19 BLU A17 B20 GRN A18 B21 BRN 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 an open in the wire.

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1. Turn the ignition switch OFF.
2. Disconnect the audio unit connector D (14P) and XM receiver connector A (14P).
3. Check for continuity between the XM receiver connector A (14P) and body ground according to «XM RECEIVER CONNECTOR A (14P) AND BODY GROUND»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) . XM RECEIVER CONNECTOR A (14P) AND BODY GROUND XM receiver terminal Wire color A6 RED A14 GRN A5 WHT A13 BLK A2 ORN Is there continuity? YES - Repair a short in the wire between the audio unit and the XM receiver. NO - Go to step 4.
4. Check for continuity between the XM receiver connector A (14P) and the audio unit connector D (14P) according to «XM RECEIVER CONNECTOR A (14P) AND THE AUDIO UNIT CONNECTOR D (14P)»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) . XM RECEIVER CONNECTOR A (14P) AND THE AUDIO UNIT CONNECTOR D (14P) XM receiver terminal Audio unit terminal Wire color A6 D6 RED A14 D14 GRN A5 D5 WHT A13 D13 BLK A2 D2 ORN Is there continuity? YES - Go to step 5. NO - Repair an open in the wire between the audio unit and the XM receiver.
5. Turn the ignition switch to the ACC (I).
6. Check for voltage between XM receiver connector A (14P) terminals No. 1 and No. 7 and body ground, individually. Is there battery voltage? YES - Go to step 7. NO - Repair an open in the wire between No. 6 (10 A) in the passenger's under-dash fuse/relay box and the XM receiver.
7. Check for voltage between XM receiver connector A (14P) terminal No. 11 and body ground. Is there less than 0.1 V? YES - Go to step 8. NO - Repair an open in the wire between the XM receiver and G602. If the wire is OK, repair G602.
8. Substitute a known-good XM receiver, then reconnect all connectors and test the XM radio. Is the sound normal? YES - Replace the XM receiver. NO - Replace the audio unit.

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1. Turn the ignition switch to ON (II).
2. Turn the combination light switch ON (PARKING position).
3. Check the illumination of the audio unit buttons. Are the buttons illuminated? YES - Intermittent problem: the audio unit is OK at this time. Check for loose or poor connections at audio unit connector A (20P). NO - Go to step 4.
4. Check the illumination of several other buttons not related to the audio system. Are the buttons illuminated? YES - Go to step 5. NO - Troubleshoot the interior lights. Start by checking the No. 10 (15 A) fuse in the passenger's under-dash fuse/relay box. If the fuse is OK, check for open in the wire between the passenger's under-dash fuse/relay box and the audio unit.
5. Turn the ignition switch OFF.
6. Disconnect audio unit connector A (20P).
7. Disconnect driver's under-dash fuse/relay box connector J (18P).
8. Check for continuity between audio unit connector A (20P) No. 19 terminal and driver's under-dash fuse/relay box connector J (18P) No. 6 terminal. Is there continuity? YES - Go to step 9. NO - Repair an open in the wire.
9. Turn the combination light switch ON.
10. Measure voltage between audio unit connector A (20P) No. 9 terminal and body ground. Is there battery voltage? YES - Check the connections at the audio unit connector A (20P). If all connections are OK, replace the audio unit. NO - Repair an open in the wire.

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1. Test the radio remote switch. '03-04 models (see «RADIO REMOTE SWITCH TEST/REPLACEMENT»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) ) '05-06 models (see «RADIO REMOTE SWITCH TEST/REPLACEMENT»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) ) Is the radio remote switch OK? YES - Go to step 2. NO - Replace the radio remote switch.
2. Remove the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).
3. Disconnect the audio unit connector A (20P).
4. Measure resistance between the audio unit connector A (20P) No. 3 and No. 11 terminals as specified in the check list. CHECK LIST Button held down VOL DOWN VOL UP CH MODE (NONE) Resistance about 47 ohm; about 317 ohm; about 1 kohm; about 3.2 kohm; 10 kohm; Is resistance OK? YES - Go to step 5. NO - Repair open or high resistance in the circuit between the audio unit and the radio remote switch. If the wires are OK, replace the cable reel (see «CABLE REEL REPLACEMENT»(/acura/mdx/i-2000-2006/remont/airbag/#srs-supplemental-restraint-system) ).
5. Check for continuity between body ground and audio unit connector (20P) A3 and A11 terminals individually. Is there continuity? YES - Repair the short to body ground in the circuit between the audio unit and the radio remote switch. If the wires are OK, replace the cable reel (see «CABLE REEL REPLACEMENT»(/acura/mdx/i-2000-2006/remont/airbag/#srs-supplemental-restraint-system) ). NO - Replace the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) )

Audio Disc Does Not Load

Note. 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 the owner's manual for more information.

1. Insert a known-good disc to see if the symptom can be duplicated. Does the CD load? YES - Operation is normal. If the disc loads normally, but will not play, go to audio disc does not play (see «AUDIO DISC DOES NOT PLAY»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-disc-does-not-play) ). NO - Go to step 2.
2. Insert another disc. Does the disc load? YES - The original disc is faulty. NO - Replace the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).

Special Tools Required

Diagnostic CD 07AAZ-SDBA100

Audio Disc Does Not Play

1. Try loading a disc. Does the disc load? YES - Go to step 2. NO - Go to audio disc does not load (see «AUDIO DISC DOES NOT LOAD»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-disc-does-not-load) ).
2. Insert another disc to see if the symptom can be duplicated. Does the disc play? YES - Operation is normal. NO - Go to step 3.
3. 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 audio unit.

Special Tools Required

1. Diagnostic CD 07AAZ-SDBA100
2. Skip test CD 07AAZ-SDBA200 or 07AAZ-SDBA300

Audio Disc Skips

1. Confirm the vehicles tires are properly inflated.
2. Check customers CD for scratches, fingerprints, and marks. NOTE: The following test should be performed with audio unit bass and treble set to customers listening performance. When comparing to known-good vehicles, comparison should be performed on same model and trim level.
3. Test drive to identify when customers CD skipping occurs. The audio diagnostic CD (T/N: 07AAZ-SDBA100) can be used if customers CD is not available. Use tracks 10-12. Does the skipping occur? YES - Go to step 4. NO - Operation is normal.
4. Compare the customers CD that is skipping to a known-good vehicle under the same conditions. Does the CD skip in the known-good vehicle under the same conditions? YES - Operation is normal. NO - Go to step 5. NOTE: The following test should be performed with vehicle parked and engine running.
5. Insert the diagnostic skip test CD (07AAZ-SDBA300). Play tracks 2-11 and note the track number(s) the CD starts skipping. Do the same test on a known-good vehicle. Does the CD skip on same track(s) number as known-good vehicle? YES - Operation is normal. NO - Go to step 6.
6. Insert the diagnostic skip test CD (07AAZ-SDBA200). Play tracks 7-11 and tracks 13-15 and note the track number(s) the CD starts skipping. Perform the same test on a known-good vehicle. Does the CD skip on same track(s) number as known-good vehicle? YES - Operation is normal. NO - Replace audio unit

Audio Disc Does Not Eject

1. Turn the audio system ON. Does the system turn on? YES - Go to step 2. NO - Go to power switch will not turn ON (see «POWER SWITCH WILL NOT TURN ON (NO INFORMATION DISPLAY AND NO SOUND)»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) ).
2. Check to see if the disc is ejected correctly with no binding by pushing the EJECT button. Is it normal? YES - Operation is normal. NO - The original disc is faulty.

Disc Changer Does Not Load All Six Discs

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

1. Try loading six discs into the audio unit. Does the audio unit accept all six discs? YES - Intermittent failure, the audio unit is OK at this time. NO - Go to step 2.
2. Try to loading the disc player with known-good discs. Does the audio unit accept all six discs? YES - At least one of the original disc is faulty. NO - Replace the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).

Disc Changer Does Not Move Between Discs

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

1. Insert the six discs into the audio unit 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 2.
2. 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»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).

Volume Does Not Change

Note. Set the fader and balance position to the center.

1. Listen for sound from the speakers. Is the sound normal? YES - Go to step 2. NO - Go to audio system sound is weak or distorted, or no sound is heard from speakers (see «AUDIO SYSTEM SOUND IS WEAK OR DISTORTED, OR NO SOUND IS HEARD FROM SPEAKERS (DISPLAY IS NORMAL)»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) ).
2. Check the audio information on the display. Does the audio information display properly? YES - Intermittent failure, the system is OK at this time. NO - Go to step 3.
3. Operate the volume knob to see if the volume changes. Does it change? YES - Operation is normal. NO - Replace the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).

Radio Tuner Does Not Change Stations

1. Check the audio information on the display. Does the audio information display properly? YES - Intermittent failure, the system is OK at this time. NO - Go to step 2.
2. Operate the tuning knob to see if the radio station changes. Does it change? YES - Intermittent failure, the tuning knob is OK at this time. NO - Replace the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).

Scheme 63

Scheme 64

Scheme 65

Scheme 66

1. Turn the ignition switch OFF.
2. Disconnect XM receiver connector A (14P).
3. Turn the ignition switch to ACC (I).
4. Measure voltage between XM receiver connector A (14P) No. 1 and No. 7 terminals and body ground. Is there battery voltage? YES - Go to step 5. NO - Check the No. 6 (10 A) fuse in the passenger's under-dash fuse/relay box. If the fuse is OK, repair an open in the wire.
5. Check for voltage between XM receiver connector A (14P) No. 11 terminal and body ground. Is there less than 1.0 V? YES - Go to step 6. NO - Repair an open in the wire between the XM receiver connector A (14P) No. 11 terminal and body ground (G602).
6. Turn the ignition switch OFF.
7. Measure voltage between audio unit connector D (14P) No. 2 terminal and body ground. Is there 10 V or more present? YES - Go to step 8. NO - Check the orange wire for a short to ground or an open. If OK, substitute a known-good XM receiver and recheck. If 10 V or more are present, replace the original XM receiver.
8. Turn the ignition switch ON (II).
9. Measure voltage between audio unit connector D (14P) No. 2 terminal and body ground. Is 0.5 V or less present? YES - Go to step 10. NO - Substitute a known-good audio unit and recheck. If 0.5 V or less are present, replace the original audio unit.
10. Disconnect audio unit connector D (14P).
11. Check for continuity between XM receiver connector A (14P) and body ground according to «XM RECEIVER CONNECTOR A (14P) AND BODY GROUND»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) . XM RECEIVER CONNECTOR A (14P) AND BODY GROUND XM receiver connector Wire color A2 ORN A5 WHT A6 RED A9 BLU A10 PNK A13 BLK A14 GRN Is there continuity? YES - Substitute a known-good XM receiver and recheck. If 10 V or more are present, replace the original XM receiver. NO - Go to step 12.
12. Check for continuity between XM receiver connector A (14P) and audio unit connector D (14P) according to «XM RECEIVER CONNECTOR A (14P) AND AUDIO UNIT CONNECTOR D (14P)»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) . XM RECEIVER CONNECTOR A (14P) AND AUDIO UNIT CONNECTOR D (14P) XM receiver connector Audio unit connector Wire color A6 D6 RED A14 D14 GRN A5 D5 WHT A13 D13 BLK A9 D9 BLU A10 D10 PNK A2 D2 ORN Is there continuity? YES - Substitute a known-good XM receiver, then reconnect all connector and recheck. If the symptom/indication goes away, replace the original XM receiver. If symptom/indication is still present, replace the audio unit. NO - Repair an open in the wire.

Radio Displays Error Code: XM NO SIGNAL

Note. Check XM radio reception in an open area with good exposure to the southern horizon. Poor reception/ interference can be caused by tall buildings, mountains, or high-voltage power lines.

1. Park vehicle outside with a clear view of the southern horizon. Does XM radio receive a signal? YES - Reception interference operation is normal. NO - Go to step 2.
2. Check XM antenna connector (2P) at XM receiver and antenna. Are the XM antenna connectors connected? YES - Go to step 3. NO - Reconnect the XM antenna receiver connectors, recheck XM radio operation. If the signal is restored, the system is OK. If signal not restored go to step 3.
3. Substitute a known-good XM antenna. Does the XM radio receive a signal? YES - Replace XM antenna. NO - Substitute a known-good XM antenna lead. If the XM radio receives a normal signal, replace original XM antenna lead.

Radio Displays Error Code: XM ANTENNA

1. Check the connector at the XM receiver. Is the connector connected? YES - Go to step 2 NO - Reconnect the connector. If the error message does not go away, go to step 2.
2. Check the connector at the XM antenna (XM/ OnStar Cellular/GPS antenna). Is the connector connected? YES - Go to step 3. NO - Reconnect the connector. If the error message does not go away, go to step 3.
3. Check the pin locations in the XM receiver connector and the XM antenna connector. Are the pins in the correct locations? YES - Go to step 4. NO - Correct the pin locations. If the error message does not go away, go to step 4.
4. Substitute a known-good XM antenna. Is the error message gone? YES - Replace the XM antenna. NO - Go to step 5.
5. Substitute a known-good XM receiver. Is the error message gone? YES - Replace the XM receiver. NO - Replace the XM antenna lead.

Sound Quality Diagnosis

Special Tools Required

Diagnostic CD 07AAZ-SDBA100

Use the following tests to check sound quality.

Note. Before beginning the following tests, write down the client's bass, treble, fader and balance settings, then set them to their center positions for the testing.

Left/Right Channel ID

Do this test to confirm proper channel routing.

1. Insert the audio diagnostic CD (T/N 07AAZ-SDBA 100) into the CD player.
2. Play track No. 1 (left, both, right channel ID) at a normal, or slightly higher than normal, volume level.
3. The voice should be audible only from the channel or channels when indicated. If the channel ID is correct for each side, go to phase test (see «PHASE TEST»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__phase-test) ). If the channel ID is not correct, check for - Shorted speaker wire - Faulty amplifier - Faulty audio unit

Special Tools Required

Diagnostic CD 07AAZ-SDBA100

Phase test

Do this test to confirm proper speaker phasing.

1. Insert the audio diagnostic CD (T/N 07AAZ-SDBA 100) into the CD player.
2. Play track No. 2 (phase) at a normal, or slightly higher than normal, volume level.
3. The voice should sound centered and focused when it is in-phase.
4. The voice should sound diffused, and have "less base" when it is out of phase. If the voice changes from in-phase to out of phase as indicated by the prompt, the phasing is correct. Go to electrical noise test (see «ELECTRICAL NOISE TEST»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__electrical-noise-test) ). If the voice always sounds out of phase, phasing is not correct. Check for: - Crossed speaker wires - Faulty amplifier - Faulty audio unit

Special Tools Required

Diagnostic CD 07AAZ-SDBA100

Electrical Noise Test

Do this test to check for electrical noise being induced into the audio system.

Note. Electrical noise may be caused by outside sources that cannot be handled by the audio system. Make sure you remove any cell phones and/or turn off any aftermarket devices before beginning this test.

1. Insert the audio diagnostic CD (T/N 07AAZ-SDBA 100) into the CD player.
2. Play track No. 4 (digital zero) at a normal, or slightly higher than normal, volume level.
3. Operate any electrical device that may cause noise from the audio system, including starting the engine.
4. Play track No. 5 (near digital zero) at a normal, or slightly higher than normal, volume level.
5. Operate any electrical device that may cause noise from the audio system, including starting the engine.
6. Play track No. 6 (SNR) at a normal, or slightly higher than normal volume level.
7. Operate any electrical device that may cause noise from the audio system, including starting the engine. If no abnormal noise is heard, go to may individual speaker test (see «INDIVIDUAL SPEAKER TEST»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__individual-speaker-test) ). If the noise is present only during the SNR track, replace the audio unit. If the noise is heard during the digital zero or near digital zero track, check for - Poor ground at the audio unit, amplifier, engine or battery cable - Pinched or shorted speaker or amplifier wire - Faulty amplifier - Faulty audio unit - Other faulty components causing excessive electrical noise (ignition coils, alternator, door lock actuators, etc). Disconnect any suspect components, and then replay the tracks that were originally noisy. If the noise is gone, check the component's circuit and the component.

Special Tools Required

Diagnostic CD 07AAZ-SDBA100

Individual Speaker Test

Do this test to identify a faulty speaker.

1. Insert the audio diagnostic CD (T/N 07AAZ-SDBA 100) into the CD player.
2. Play track No. 30 (steady 300 Hz tone) at a normal, or slightly higher than normal, volume level.
3. Listen to each speaker for poor sound compared to the other channels. Use the audio unit's fader and balance settings to help isolate the channel with the problem. If the sound quality produced by a specific speaker is poor, substitute it with a known-good speaker. If the poor sound quality continues, go to the sound balance test (see «SOUND BALANCE TEST»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__sound-balance-test) ). If the sound quality is OK, go to the sound balance test (see «SOUND BALANCE TEST»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__sound-balance-test) ).

Special Tools Required

Diagnostic CD 07AAZ-SDBA100

Sound Balance Test

Perform this test to identify a faulty channel or speaker.

1. Insert the audio diagnostic CD (T/N 07AAZ-SDBA 100) into the CD player.
2. Confirm the bass and treble are set to the center positions.
3. Play track No. 3 (pink noise) at a normal, or slightly higher than normal, volume level.
4. A "static" type sound should be heard through all speakers.
5. Insert the audio diagnostic CD (T/N 07AAZ-SDBA 100) into the CD player of a known-good vehicle.
6. Set the bass and treble to the center positions.
7. Play track No. 3 (pink noise) all the same level as was played in step 3 .
8. Compare the sounds made by the two vehicles. If the sound does not have as much bass, check the subwoofer and circuit. If the sound does not have enough "hiss," check the tweeters and their circuits.

Special Tools Required

Diagnostic CD 07AAZ-SDBA100

Frequency Sweep

Do this test to find rattles or reverberation that may cause a perception of poor sound quality.

1. Insert the audio diagnostic CD (T/N 07AAZ-SDBA 100) into the CD player.
2. Play track No. 13 (sweep from 500 Hz to 35 Hz) at a normal, or slightly higher than normal, volume level.
3. Listen to each speaker for poor sound quality or reverberations caused by specific frequencies. Use the voice-over to estimate the frequency that causes the vibration. Use the audio unit's fader and balance settings to help isolate the channel with the problem. If vibrations poor sound quality is heard, go to step 4. If no vibration or poor sound quality is heard, go to sound judging (see «SOUND JUDGING»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__sound-judging) ).
4. Choose the appropriate track from No. 14 to 25 (small range frequency sweep) or 26 to 53 (single frequencies) to recreate the frequency that caused the poor sound quality or vibration witnessed in step 3 ; this aids in diagnosis of the cause. NOTE: When you get to the track that recreates the problem, select the repeat function on the audio unit, this will help you isolate the cause.
5. Replace or insulate the source of the vibration or, if the speaker is the source of the poor sound quality, replace it.

Special Tools Required

Diagnostic CD 07AAZ-SDBA100

Sound Judging

Do this test to compare overall sound quality, imaging, and dynamics between the client's vehicle and a known-good vehicle. Only use a vehicle of the same model and trim level for this test.

1. In the client's vehicle, set the bass, treble, fader, and balance settings to the client's normal settings that ware written down before beginning the test.
2. Insert the audio diagnostic CD (T/N 07AAZ-SDBA 100) into the CD player.
3. Play track No. 7 to 12 (sound quality, midland, dynamics, and imaging demonstration tracks) at a normal, or slightly higher than normal, volume level. Write down the volume setting being used.
4. Listen to areas of the track that stand out as being either real clear or poorer than other areas of the track.
5. In a known-good vehicle, insert the audio diagnostic CD (T/N 07AAZ-SDBA100) into the CD player.
6. Play the tracks at the same volume level and the same bass, treble, balance, and fader settings as used in step 3 in the client's vehicle.
7. Listen to the same area of the track that stood out as being either real clear or poorer than other areas of the track.
8. Compare the client's vehicle's sound quality results the known-good vehicle's results. If the sound quality in the client's vehicle is comparable to the sound quality in the known-good vehicle, then the client's vehicle is operating as designed. If the sound quality is not comparable, check these items in order. - Loose or improperly installed speakers or other hardware that may become excited by the vibrations generated by the speakers - Poor power or ground to the stereo amplifier - Damaged speaker(s) - Faulty amplifier - Faulty audio unit

Special Tools Required

Diagnostic CD 07AAZ-SDBA100

Seek Stop Test

Do this test to check the performance of the audio unit's AM and FM reception. Refer to symptom troubleshooting: audio system sound weak or distorted, or no sound is heard from speakers (display is normal) (see AUDIO SYSTEM SOUND IS WEAK OR DISTORTED, OR NO SOUND IS HEARD FROM SPEAKERS (DISPLAY IS NORMAL) ) before continuing with this test.

Note. Window tint, aftermarket theft-recovery device and other aftermarket accessories may reduce radio reception. Changes in cloud cover and other atmospheric conditions will affect the ability of the audio unit to receive radio signals.

1. Park the client's vehicle in an open area away from buildings or other absolutions.
2. Park a known-good vehicle (same year, model, and trim level) next to the client's vehicle, facing the same direction.
3. Start the engine in the client's vehicle, and turn on the radio.
4. Set the FM receiver to 87.7 MHz.
5. Press the "Seek +" button, and record the first station that the audio unit locks onto.
6. Press the "Seek +" button repeatedly, and write down each station that the audio unit locks onto until the station recorded in step 5 is reached again.
7. Set the AM receiver to 530 kHz.
8. Press the "Seek +" button, and record the first station that the audio unit locks onto.
9. Press the "Seek +" button repeatedly, and write down each station that the audio unit locks onto until the station recorded in step 8 is reached again.
10. Turn the ignition switch to LOCK (0).
11. Start the engine in the known-good vehicle, and then perform steps 7 through 10 on the know-good vehicle.
12. Compare the number of stations received in steps 6 and 9 in the client's vehicle with the number of stations received in the known-good vehicle. If the number of stations received is the same, or within 10%, the audio unit's tuner performance is OK. The problem may be atmospheric conditions, multi-path interference, or other obstructions to the radio signal. If the client's vehicle receives fewer stations by at least 10%, go to step 2 of poor radio reception or interference (see «POOR AM/FM RADIO RECEPTION OR INTERFERENCE»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system__poor-amfm-radio-reception-or-interference) ).

Audio Unit Removal/Installation

SRS components are located in this area. Review the SRS component locations for the appropriate year.

1. '03 model (see «2003 MODEL»(/acura/mdx/i-2000-2006/remont/airbag/#srs-supplemental-restraint-system) )
2. '04-06 models (see «2004-2006 MODELS»(/acura/mdx/i-2000-2006/remont/airbag/#srs-supplemental-restraint-system) )

Also review the precautions and procedures (see PRECAUTIONS AND PROCEDURES ) before performing repairs or service.

Note. Put on gloves to protect your hands. Take care not to scratch the dashboard and related parts.

Scheme 67

Scheme 68

1. Make sure you have the anti-theft codes for the radio and navigation system, then write down the frequencies for the radio channel presets.
2. Remove the center panel (see «DASHBOARD CENTER PANEL REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/exteriorinterior-trim/#dashboard) ).
3. Remove the six mounting screws, disconnect the audio unit connectors (A), display unit connectors (B) and the antenna lead (C), then remove the audio unit (D).
4. Remove the display unit.
5. Install in the reverse order of removal, and note these items: Make sure the audio unit and display unit connectors are plugged in properly, and the antenna lead is connected properly. Enter the anti-theft codes for the radio and navigation system, then enter the customer's radio channel presets.

Scheme 69

1. Remove the center console (see «CENTER CONSOLE REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/gauges-instrument-panels/#consoles__center-console-removalinstallation) ).
2. Disconnect the 26P connector (A) from the front stereo amplifier (B).
3. Loosen the two front mounting bolts (C) and remove the two rear mount bolts (D), then remove the front stereo amplifier.
4. Install the amplifier in the reverse order of removal.

Scheme 70

1. Remove the center console (see «CENTER CONSOLE REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/gauges-instrument-panels/#consoles__center-console-removalinstallation) ).
2. Disconnect the 23P and 14P connectors (A) from the front stereo amplifier (B).
3. Loosen the two front mounting bolts (C) and remove the rear mount bolt (D), then remove the stereo amplifier.
4. Install the amplifier in the reverse order of removal.

Scheme 71

1. Remove the right rear side trim panel (see «TRIM REMOVAL/INSTALLATION - REAR SIDE LOWER AREA»(/acura/mdx/i-2000-2006/remont/exteriorinterior-trim/#interior-trim__trim-removalinstallation-rear-side-lower) ).
2. Remove the woofer (see «WOOFER REPLACEMENT»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) ).
3. Loosen the two mounting bolts and rear stereo amplifier (A).
4. Disconnect the connectors (B) from the rear stereo amplifier.
5. Install the amplifier in the reverse order of removal.

Scheme 72

1. Remove the right rear side trim panel (see «TRIM REMOVAL/INSTALLATION - REAR SIDE LOWER AREA»(/acura/mdx/i-2000-2006/remont/exteriorinterior-trim/#interior-trim__trim-removalinstallation-rear-side-lower) ).
2. Remove the woofer (see «WOOFER REPLACEMENT»(/acura/mdx/i-2000-2006/remont/entertainment-systems/#audio-system) ).
3. Loosen the two mounting bolts and rear stereo amplifier (A).
4. Disconnect the 10P connector (B) from the rear stereo amplifier.
5. Install the amplifier in the reverse order of removal.

Scheme 73

Scheme 74

1. Remove the driver's airbag assembly (see «DRIVER'S AIRBAG REPLACEMENT»(/acura/mdx/i-2000-2006/remont/airbag/#srs-supplemental-restraint-system) ).
2. Disconnect the 5P connector (A), the 1P connector (B) and the 1P connector (C) from the radio remote switch (D).
3. Measure the resistance between the 5P connector No. 1 terminal and 1P connector (C) in each switch position according to (Scheme 74).
4. If the resistance is not as specified, go to step 5.
5. Remove the four screws and the cruise control set/ resume/cancel switch (E) from the steering wheel.
6. Remove the four screws and the radio remote switch.

Scheme 75

Scheme 76

1. Remove the driver's airbag assembly (see «DRIVER'S AIRBAG REPLACEMENT»(/acura/mdx/i-2000-2006/remont/airbag/#srs-supplemental-restraint-system) ).
2. Disconnect the 16P connector (A) from the cable reel.
3. Measure the resistance between the 16P connector No. 5 and No. 7 terminals in each switch position according to (Scheme 76).
4. If the resistance is not as specified, go to step 5.
5. Remove the two screws and the cruise control set/ resume/switch (B) from the steering wheel.
6. Remove the four screws, the 1P connector (C) and the radio remote switch (D), HFL-voice control switch and cruise set/resume/cancel switch as an assembly.

Note. To make an effective repair, the broken section must be no longer than one inch.

Scheme 77

Scheme 78

1. Lightly rub the area around the broken section (A) with fine steel wool, then clean it with alcohol.
2. Carefully mask above and below the broken portion of the window antenna wire (B) with cellophane tape (C).
3. Mix the silver conductive paint thoroughly. Using a small brush, apply a heavy coat of paint (A) extending about 1/8" on both sides of the break. Allow 30 minutes to dry.
4. Check for continuity in the repaired wire.
5. Apply a second coat of paint in the same way. Let it dry 3 hours before removing the tape.

Scheme 79

Scheme 80

1. Slide the driver's seat backward.
2. Remove the four mounting nuts from the CD changer (A).
3. Disconnect the 10P connector (B) and remove the CD changer.
4. Remove the four mounting screws, then remove the bracket.
5. Install in the reverse order of removal.

Scheme 81

1. Remove the front door speaker grille (A).
2. Remove the three mounting screws from the front speaker.
3. Disconnect the 2P connector (B) and the speaker.
4. Install in the reverse order of removal.

Scheme 82

1. Remove the rear door speaker grille (A).
2. Remove the three mounting screws from the rear speaker.
3. Disconnect the 2P connector (B) and the speaker.
4. Install in the reverse order of removal.

Scheme 83

1. Remove the front door panel (see «FRONT DOOR PANEL REMOVAL/INSTALLATION»(/acura/mdx/i-2000-2006/remont/windows/#doors__front-door-panel-removalinstallation) ).
2. Remove the front tweeter speaker grille (A).
3. Remove the harness clip (B).
4. Remove the two mounting screws and the tweeter.
5. Disconnect the 2P connector (C) from the tweeter.
6. Install in the reverse order of removal.

Scheme 84

1. Remove the rear ceiling speaker grille (A).
2. Remove the four mounting screws and tweeter from the ceiling.
3. Disconnect the 2P connector (B) from the tweeter.
4. Install in the reverse order of removal.

Scheme 85

1. Remove the rear speaker grille (A).
2. Remove the four mounting screws from the woofer.
3. Disconnect the 5P ('03 model) or 2P ('04-06 models) connector (B) and the woofer.
4. Install in the reverse order of removal.

Scheme 86

1. Remove the rear speaker grille (A).
2. Remove the four mounting screws from the woofer.
3. Disconnect the 2P connector (B) and the woofer.
4. Install in the reverse order of removal.

Scheme 87

1. Carefully pull the rear of the headliner down to access the antenna mounting nut (A) and antenna lead (B).
2. Disconnect the antenna lead and connector (C).
3. Remove the mounting nut, then remove the antenna mount (D).
4. Install the parts in the reverse order of removal.

With OnStar

Note. The OnStar antenna includes the GPS antenna for the OnStar system. This GPS antenna is not part of the Navigation system.

Scheme 88

1. Carefully pull the rear of the headliner down to access the antenna mounting nuts (A) and antenna lead connectors.
2. Disconnect the antenna lead 2P connectors (B) from the antenna (C).
3. Remove the mounting nuts, then remove the antenna.
4. Install the parts in the reverse order of removal.

Scheme 89

1. Carefully pull the rear of the headliner down to access the antenna mounting nut (A) and antenna lead connector.
2. Disconnect the antenna lead 2P connector (B) from the antenna (C).
3. Remove the mounting nut, then remove the antenna.
4. Install the parts in the reverse order of removal.

Scheme 90

1. Remove the left rear side trim panel (see «TRIM REMOVAL/INSTALLATION - REAR SIDE LOWER AREA»(/acura/mdx/i-2000-2006/remont/exteriorinterior-trim/#interior-trim__trim-removalinstallation-rear-side-lower) ).
2. Disconnect the antenna 2P connector (A) and 14P connector (B) from the XM receiver (C).
3. Loosen the three nuts and remove the XM receiver.
4. Install in the reverse order of removal.

See also:
• CABLE REEL REPLACEMENT
• DASHBOARD CENTER PANEL REMOVAL/INSTALLATION
• CENTER CONSOLE REMOVAL/INSTALLATION
• TRIM REMOVAL/INSTALLATION - REAR SIDE LOWER AREA
• FRONT DOOR PANEL REMOVAL/INSTALLATION
• RADIO DISPLAYS ERROR CODE: XM ANTENNA
• RADIO DISPLAYS ERROR CODE: XM NO SIGNAL
• AUDIO UNIT CONNECTOR ('03-04 MODELS WITHOUT BOSE SOUND SYSTEM)
• RADIO PRESET MEMORY IS LOST
• AUDIO DISC DOES NOT LOAD
• AUDIO DISC DOES NOT PLAY
• AUDIO DISC SKIPS
• AUDIO DISC DOES NOT EJECT
• DISC CHANGER DOES NOT LOAD ALL SIX DISCS
• DISC CHANGER DOES NOT MOVE BETWEEN DISCS
• VOLUME DOES NOT CHANGE
• RADIO TUNER DOES NOT CHANGE STATIONS
• AUDIO UNIT REMOVAL/INSTALLATION
• POOR AM/FM RADIO RECEPTION OR INTERFERENCE
• PHASE TEST
• ELECTRICAL NOISE TEST
• INDIVIDUAL SPEAKER TEST
• SOUND BALANCE TEST
• SOUND JUDGING