Rear Entertainment System Acura MDX II

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Symptom Troubleshooting Index

SYMPTOM TROUBLESHOOTING CHART

System Description

The rear entertainment system is composed of a special DVD player unit built into the audio unit, a rear controller, and screen wireless headphones, wireless remote control, and auxiliary jack assembly.

Audio Unit

1. Provides rear system power
2. Provides control for the rear functions
3. Allows the rear display to show information about the rear system status
4. Provides a method to stop the rear passenger's from having control of the rear system
5. Built into the DVD player

Rear Screen

1. Has a flip down 9" display
2. Displays information on the LCD
3. Display does not work when pushed beyond the detent
4. Provides output for infrared (IR) headphones

Wireless Headphone

1. Has automatic ON/OFF control
2. Has volume control
3. Works only in the second and third row seats, not outside the vehicle or in the front seats

Wireless Remote Control

Allows remote operation of the audio functions.

Auxiliary Jack Assembly

1. Allows input from standard video game and video equipment using RCA connectors
2. Provides three headphone connectors and separate volume controls

Audio Remote Switch

Allows operation of the audio functions from the steering wheel.

Voice Control Switch

Allows operation of the audio functions through the navigation system.

Navigation Display

Allows operation of the audio functions through the navigation system.

Operating Method

Note. Refer to the Owner's Service Information for full operation details.

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1. Turn the rear entertainment system ON. After the main power switch VOL PUSH PWR (A) is turned ON, push REAR PWR switch (B) to turn the rear system ON. To turn the rear system OFF, push REAR PWR, and to turn the whole system OFF, push VOL PUSH PWR.
2. Using the select button. Front source button, indicator light ON: control of front source from audio unit. Rear source button, indicator light ON: control of rear source from audio unit. The rear source will automatically revert back to front source after 10 seconds if no operation is done.
3. Rear Control Enable/Disable. By pushing the REAR CTRL OFF button the LED indicator will be ON and the rear seat passenger's will not be able to control the system from the remote. The rear display will show rear control OFF. Press button again to enable.
4. Viewing the display. The display (A) (built into the climate control unit) indicates the status of the front and rear systems.
5. Rear speaker automatic OFF Function. By turning the rear speaker OFF you can reduce the interference between the front source and the rear source (Headphone). The speaker will be turned ON/OFF automatically when the front and rear have different sources selected. When the rear speaker is in the OFF mode, the LCD display on the audio unit displays the rear speaker icon shown. Wireless Remote Control Remote control switch use and function. With Rear Power ON and rear control enabled, the rear passengers can control the functions with the remote, except volume. Rear passenger can control the functions, unless the rear control has been turned off by the front user.

Rear Controller and Screen Connector for Inputs and Outputs

When replacing a rear controller and screen connector, match the wires to the cavities listed in the following table.

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REAR CONTROLLER AND SCREEN CONNECTOR A (24P)

REAR CONTROLLER AND SCREEN CONNECTOR A (24P) TERMINAL REFERENCE

REAR CONTROLLER AND SCREEN CONNECTOR B (2P)

REAR CONTROLLER AND SCREEN CONNECTOR B (2P) TERMINAL REFERENCE

Auxiliary Jack Assembly Connector for Inputs and Outputs (With rear entertainment)

When replacing an auxiliary jack assembly connector, match the wires to the cavities listed in the following table.

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AUXILIARY JACK ASSEMBLY CONNECTOR (14P)

(with rear entertainment)

AUXILIARY JACK ASSEMBLY CONNECTOR (14P) TERMINAL REFERENCE

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Self-diagnostic Function

The rear entertainment system has a self-diagnostic function that shows on the display. To run the self-diagnostic function, do the following

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1. Turn the ignition switch to ON (II).
2. To run the self-diagnostic, press the REAR PWR button four times within 3 seconds and hold the REAR PWR button in on the fourth time until the diagnostic screen appears.

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1. Turn the ignition switch to ON (II).
2. To run the self-diagnostic, press the DVD/AUX button, the AM/FM button, the FORWARD (double right arrows) button, and then the AM/FM button again. The buttons must be pressed in that order, and within 2 seconds of each other (see table), and the self-diagnostic will begin.

Canceling the Self-diagnostic Function

Turn the ignition switch to LOCK (0) to cancel the self-diagnostic function. After completing repair work, run the self-diagnostic function again to make sure that there are no other malfunctions.

Self-diagnostic Function Mode Select

Use the wireless, remote control to navigate within the self-diagnostic function.

LEFT/RIGHT button: Change the function mode

UP/DOWN button: Change the detection

ENTER button: Select the detection point

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MODE SELECT SELF-DIAGNOSTIC FUNCTION CHART

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1. CONNECT The screen will display connection check status for each device while in this self-diagnostic mode. If the RAM condition for the RR DISP (rear controller and screen) is faulty, the screen will display NG (red color). If the connection for the H/U (audio unit) isXM (XM receiver), or AUX (auxiliary jack assembly) is faulty, the screen will display NG (red color). If the digital line connection between the rear controller and screen and audio unit is faulty, the screen will display NG (red color).
2. UNIT CHECK The screen will display device version, self-diagnostic status and screen status while in this self-diagnostic mode. If a connection to a device is no-good, the screen will display--. If there is a change (analog to digital) of signal error for the categories +B VOLT or TEMP, the screen will display Err. The screen indicates open or closed condition of the screen.

RES disc does not load

Note. Discs with labels should not be used in the DVD player unit (built into the audio unit). They may damage the player mechanism. Make sure the CD or DVD disc is compatible with the system (refer to the Owner's service Information for more information).

1. Turn the ignition switch to ON (II).
2. Try loading a disc. Does the disc load? YES - Intermittent failure, the DVD player unit is OK at this time. NO - Go to step 3.
3. Insert a known-good disc. Does the disc load? YES - The original disc is faulty. NO - Replace the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).

RES disc does not eject

Note. Discs with labels should not be used in the DVD player unit (built into the audio unit). They may damage the player mechanism.

1. Turn the ignition switch to ON (II).
2. Try ejecting a disc. Does the disc eject? YES - Intermittent failure, the DVD player unit (built into the audio unit) is OK at this time. NO - Replace the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).

RES disc does not play

Note. CD-R/RWs and DVD-R/RWs will not work in the DVD player unit (built into the audio unit). Damaged or contaminated discs may not always play properly. Discs with labels should not be used in the DVD player unit (built into the audio unit). They may damage the player mechanism. You need to switch the audio unit REAR PWR button on for the rear display, remote controls, and sound to operate.

1. Turn the ignition switch to ON (II).
2. Try loading a DVD. Does the DVD play (display and sound)? YES - Intermittent failure, the DVD player unit (built into the audio unit) is OK at this time. NO - Go to step 3.
3. Insert a known-good DVD. Does the DVD play (display and sound)? YES - The original DVD is faulty or is an unreadable format. NO - Go to step 4.
4. Do the self-diagnostic function (see «HOW TO ENTER FOR SELF-DIAGNOSTIC FUNCTION WITH THE WIRELESS REMOTE CONTROL»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system) ), then select function number 1 for Connect of the rear entertainment system (see «SELF-DIAGNOSTIC FUNCTION MODE SELECT»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system__self-diagnostic-function-mode-select) ). Is the audio unit connect condition OK? YES - Go to step 5. NO - Repair the poor connection in the audio unit connectors.
5. Substitute a known-good audio unit, then test the audio unit. Is the sound normal? YES - Replace the original audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ). NO - Check for loose wires or poor connections at audio unit connectors, and recheck.

RES disc skips

Note. Copy protected material on a CD-R/RW or DVD-R/RW disc will skip or not play. Check for scratches, smudges, and fingerprints on the disc.

1. Turn the ignition switch to ON (II).
2. Try playing a disc. Does the disc skip ? YES - Go to step 3. NO - Intermittent failure, the DVD player unit (built into the audio unit) is OK at this time.
3. Clean the disc, and recheck. Does the disc play properly ? YES - The original disc was dirty. NO - Go to step 4.
4. Insert a known-good disc. Does the disc play properly? YES - The original disc is dirty or the wrong type. NO - Go to step 5.
5. Compare the disc skipping to a known-good vehicle under the same conditions. Does the known-good vehicle's disc skip under the same conditions (over the same bumps and on the same rough roads)? YES - Operation is normal. NO - Substitute a known-good audio unit, and recheck. If the symptom/indication goes away, replace the original audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).

Black picture is shown on the display

Note. If the navigation system, or XM radio do not function properly, troubleshoot and resolve those problems first. You need to switch the audio unit REAR PWR button on for the rear display, remote controls, and sound to operate.

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1. With the ignition switch to ON (II), push the rear power switch ON to see if the screen turns ON. Does the screen come ON? YES - Operation is normal at this time. NO - Go to step 2.
2. Check for brightness settings in the display set up (refer to the Owner's Service Information for more information). Are the display setting set properly? YES - Go to step 3. NO - Adjust the display setting and recheck the function.
3. Check the No. 9 (7.5 A) fuse in the main under-hood fuse box. Is the fuse OK? YES - Go to step 4. NO - Replace the fuse, and recheck.
4. Remove the display cover (see «SPEAKER TEST/REPLACEMENT»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#audio-system) ). Then check that the rear controller and screen is properly connected. Is the rear controller and screen connected properly? YES - Go to step 5. NO - Reconnect the connector, and recheck the function.
5. Disconnect the rear controller and screen connector A (24P).
6. Measure the voltage between the No. 1 terminal of the rear controller and screen connector A (24P) and body ground. Is there battery voltage? YES - Go to step 7. NO - Repair open in the wire(s) between the No. 9 (7.5 A) fuse in the main under-hood fuse box and the rear controller and screen.
7. Reconnect the rear controller and screen connector A (24P).
8. Measure the voltage between the rear controller and screen connector A (24P) No. 24 terminal and body ground. Is there less than 0.1 V? YES - Replace the rear controller and screen. NO - Repair open in the wire between the rear controller and screen connector A (24P) No. 24 terminal and body ground (G506).

White picture is shown on the display/ display lock

1. With the ignition switch to ON (II), push the rear power switch ON to see if the screen turns ON, Is it normal? YES - Operation is normal. NO - Go to step 2.
2. Run the rear entertainment system self-diagnostic (see «SELF-DIAGNOSTIC FUNCTION»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system__self-diagnostic-function) ). Is it normal? YES - Operation is normal. NO - Substitute a known-good rear controller and screen, and recheck. If the symptom/indication goes away, replace the original rear controller and screen.

Display area picture has lines or has shifted

1. With the ignition switch to ON (II), push the rear power switch ON to see if the screen turns ON. Does the screen come have lines or has the image shifted? YES - Go to step 2. NO - Operation is normal at this time.
2. Check the screen mode set up (refer to the Owner's Service Information for more information). Are the settings set properly? YES - Substitute a known-good rear controller and screen, and recheck. If the symptom/indication goes away, replace the original rear controller and screen. NO - Adjust the display settings, and recheck the function.

Display does not go off when screen is closed

1. With the ignition switch to ON (II) and screen open, push the rear power switch ON. Then close the screen by pivoting it up. Does the screen go off? YES - Operation is normal at this time. NO - Go to step 2.
2. Check the lock switch. Does the screen close securely? YES - If the screen securely closes and the screen does not go off, replace it. NO - Relock the screen, and recheck. If the screen will not securely lock into position, replace it.

No display appears on the rear controller indicator

Note. You need to switch the audio unit REAR PWR button on for the rear display, remote controls, and sound to operate.

1. With the ignition switch to ON (II), push the rear power switch ON to see if the screen turns ON. Does the screen come on? YES - Operation is normal at this time. NO - Go to step 2.
2. Check the operation and display of the screen, the wireless remote control and the wireless headphone. Are the operation and display normal? YES - Faulty rear indicator. NO - Screen faulty: Go to the «BLACK PICTURE IS SHOWN ON THE DISPLAY TROUBLESHOOTING»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system__black-picture-is-shown-on-the) . Wireless remote control faulty. Go to the «WIRELESS REMOTE CONTROL DOES NOT WORK (ALL BUTTONS) TROUBLESHOOTING»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system__wireless-remote-control-does-not-work) . Wireless headphone faulty: Go to the «WIRELESS HEADPHONE SOUND IS WEAK, DISTORTED, VOLUME DOES NOT CHANGE, OR THERE IS NO SOUND IN ALL MODES TROUBLESHOOTING»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system__wireless-headphone-sound-is-weak-sound) .

No sound/no display with auxiliary video unit inputs

Note. Check that the auxiliary device is properly connected, and has fresh batteries or power source connected. Do not connect an RCA type shorting plug with the auxiliary jack assembly 14P connector, or system damage may occur. You need to switch the audio unit REAR PWR button on for the rear display, remote controls, and sound to operate.

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1. Connect an auxiliary video source, and check the volume/display operation. Does the display operate properly and does the audio sound normal? YES - Operation is normal at this time. NO - Go to step 2.
2. Substitute a known-good auxiliary video unit and recheck. Does the auxiliary video unit operate properly? YES - Original auxiliary video unit faulty. NO - Go to step 3.
3. Do the self-diagnostic function (see «HOW TO ENTER FOR SELF-DIAGNOSTIC FUNCTION WITH THE WIRELESS REMOTE CONTROL»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system) ), then select function number 1 for Connect of the rear entertainment system (see «SELF-DIAGNOSTIC FUNCTION MODE SELECT»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system__self-diagnostic-function-mode-select) ). Is the auxiliary jack assembly connect condition OK? YES - Go to step 8 . NO - Go to step 4.
4. Remove the auxiliary jack assembly (see «AUXILIARY JACK ASSEMBLY REPLACEMENT»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system) ). Check that the auxiliary jack assembly is properly connected. Is the auxiliary jack assembly connected properly? YES - Go to step 5. NO - Reconnect the connector, and recheck the function.
5. Turn the ignition switch to LOCK (0).
6. Disconnect the audio unit connector C (24P), E (16P), and the auxiliary jack assembly 14P connector.
7. Check for continuity between audio unit connector C(24P), E (16P)and body ground according to the table. Then check same terminals for continuity to the harness shield terminals C2 and E1. CONNECTOR TERMINAL REFERENCE Audio unit connector Wire color C1 PNK C13 BLU C14 GRN E2 LTBLU E8 PUR Is there continuity? YES - Short in the wire between the audio unit and the auxiliary jack assembly. Replace the appropriate shielded harness. NO - Go to step 8.
8. Check for continuity between the terminal of audio unit connector C (24P) and E (16P) according to the table. CONNECTOR TERMINAL REFERENCE From terminal To terminals C2 C1, C13, C14 C1 C13, C14 C13 C14 E1 E2, E8 E2 E8 Is there continuity between any of the terminals? YES - Repair short in the wire(s) between the audio unit and auxiliary jack assembly (replace the appropriate shielded harness). NO - Go to step 9.
9. Check for continuity between the audio unit connector C (24P), E (16P) and auxiliary jack assembly 14P connector according to the table. CONNECTOR TERMINAL REFERENCE Audio unit connector Auxiliary jack assembly connector Wire color C1 11 PNK C13 12 BLU C14 10 GRIM E2 4 LTBLU E8 9 PUR Is there continuity? YES - Go to step 10. NO - Open in the wire between the audio unit and the auxiliary jack assembly. Replace the appropriate shielded harness.
10. Connect an RCA type shorting plug to each audio input (R and L). NOTE: Do not connect the RCA type shorting plug with the auxiliary jack assembly 14P connected, or system damage may occur.
11. Check for continuity between the following terminals of the auxiliary jack assembly. No. 10 <--> No. 1 No. 12 <--> No. 1 Is there continuity? YES - Go to step 12. NO - Faulty auxiliary jack assembly.
12. Remove the RCA type shorting plug(s) and check the same terminals again for continuity. Is there continuity? YES - Faulty auxiliary jack assembly. NO - Substitute a known-good audio unit and recheck. If the symptom/indicated goes away, replace the original audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ). If the symptom is still present, substitute a known-good rear controller and screen and recheck. If the symptom/indicated goes away, replace the original rear controller and screen.

Wired headphone sound is weak, distorted, volume does not change, or there is no sound

Note. You need to switch the audio unit REAR PWR button on for the rear display, remote controls, and sound to operate.

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1. Substitute a known-good wired headphone set and recheck. Does the symptom go away? YES - Original wired headphone set is faulty. NO - Go to step 2.
2. Plug the wired headphones into the other ports of the auxiliary jack assembly to check their condition. Do all the ports have the same symptom? YES - Go to step 3. NO - Faulty auxiliary jack assembly.
3. Check that the wired headphone jack is properly connected. Is the headphone jack connected properly? YES - Go to step 4. NO - Reconnect the wired headphone connector, and recheck the function.
4. Disconnect the auxiliary jack assembly 14P connector and rear controller and screen 24P connector.
5. Check for continuity between rear controller and screen connector A (24P) and body ground according to the table. Then check same terminals for continuity to the harness shield terminal A9. CONNECTOR TERMINAL REFERENCE Rear controller and screen connector Wire color A20 BLU A21 GRN A8 PNK Is there continuity? YES - Short in the wire between the rear controller and screen and the auxiliary jack assembly. Replace the appropriate shielded harness. NO - Go to step 6.
6. Check for continuity between the terminal of rear controller and screen connector A (24P) according to the table. CONNECTOR TERMINAL REFERENCE From terminal. To terminals A9 A8, A20, A21 A8 A20, A21 A20 A21 Is there continuity between any of the terminals? YES - Repair short in the wire(s) between the rear controller and screen and the auxiliary jack assembly. Replace the appropriate shielded harness. NO - Go to step 7.
7. Check for continuity between the rear controller and screen connector A (24P) and auxiliary jack assembly 14P connector according to the table: CONNECTOR TERMINAL REFERENCE Audio unit connector Auxiliary jack assembly connector Wire color A21 13 GRN A20 14 BLU A8 7 PNK Is there continuity? YES - Faulty auxiliary jack assembly. NO - Open in the wire between the rear controller and screen and the auxiliary jack assembly. Replace the appropriate shielded harness.

Wireless headphones do not work or there is static in DVD mode

Note. Check the battery condition first.

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1. Check the diagnosis menu 1. CONNECT and 2. UNIT CHECK of the rear entertainment system self-diagnostic (see «SELF-DIAGNOSTIC FUNCTION»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system__self-diagnostic-function) ). If the self-diagnostic status indicator OK (Green color)? YES - Go to the «WIRELESS HEADPHONE SOUND IS WEAK, DISTORTED, VOLUME DOES NOT CHANGE, OR THERE IS NO SOUND IN ALL MODES»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system__wireless-headphone-sound-is-weak-sound) (see ). NO - Go to step 2.
2. Remove the audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).
3. Check that the digital audio lead at audio unit connector F (2P) is properly connected to the audio unit. Is the digital audio lead at audio unit connector F (2P) connected properly? YES - Go to step 4. NO - Reconnect the audio unit connector F (2P) and recheck the wireless headphone function.
4. Remove the rear controller and screen (see «REAR CONTROLLER AND SCREEN REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system__rear-controller-and-screen-removalinstallation) ).
5. Check the digital audio lead at rear controller and screen connector B (2P) is properly connected to the rear controller and screen. Is the lead at screen connector B (2P) properly? YES - Go to step 6. NO - Reconnect the audio unit connector F (2P) and recheck the wireless headphone function.
6. Disconnect the audio unit connector F (2P) from the audio unit and the rear controller and screen.
7. Check for continuity in the digital audio lead between the audio unit connector F (2P) No. 1 terminal and the rear controller and screen connector B (2P) No. 1 terminal. Is there continuity? YES - Go to step 8. NO - Replace the digital audio lead.
8. Check for continuity in the digital audio lead between the audio unit connector F (2P) No. 1 terminal and body ground. Is there continuity? YES - Replace the digital audio lead and/or sublead. NO - Go to step 9.
9. Check for continuity in the digital audio lead between the audio unit connector F (2P) No. 1 terminal and No. 2 terminal. Is there continuity? YES - Replace the digital audio lead. NO - Go to step 10.
10. Substitute a known-good audio unit and recheck the wireless headphone function. Do the wireless headphones work in DVD mode? YES - Replace the original audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ). NO - Replace the rear controller and screen.

Wireless headphone sound is weak, sound distorted, there is static, volume does not change, or there is no sound in all modes

Note. Check the battery condition first.

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1. Substitute a known-good wireless headphone and recheck. Does the symptom go away? YES - Replace the original wireless headphones. NO - Go to step 2.
2. Check the lens on the rear edge of the rear screen for dirt or damage. Does the rear screen appear to be in good condition? YES - Go to step 3. NO - Substitute a known-good rear controller and screen and recheck.
3. Substitute a known-good audio unit and recheck. Does the symptom go away? YES - Replace the original audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ). NO - Go to step 4.
4. Disconnect the audio unit connector E (16P), and the rear controller and screen connector A (24P).
5. Check for continuity between audio unit connector E (16P) and body ground according to the table. Then check the same terminals for continuity to the harness shield terminal E13. CONNECTOR TERMINAL REFERENCE Audio unit connector Wire color E12 BLK E14 RED E15 WHT Is there continuity? YES - Short in the wire between the audio unit and the rear controller and screen. Replace the appropriate shielded harness. NO - Go to step 6.
6. Check for continuity between the terminal of audio unit connector E (16P) according to the table. CONNECTOR TERMINAL REFERENCE From terminal To terminals E13 E12, E14, E15 E15 E12, E14 E12 E14 Is there continuity between any of the terminals? YES - Repair short in the wire(s) between the audio unit and rear controller and screen. Replace the appropriate shielded harness. NO - Go to step 7.
7. Check for continuity between the audio unit connector E (16P) and rear controller and screen connector A (24P) according to the table. CONNECTOR TERMINAL REFERENCE Audio unit connector Rear controller and screen connector Wire color E12 A19 BLK E14 A18 RED E15 A6 WHT Is there continuity? YES - Rear controller and screen faulty. NO - Repair open in the wire between the audio unit and rear controller and screen.

Wireless remote control does not work (all buttons)

Note. Check the wireless remote control battery condition first. Make sure that the rear power and rear control are on (refer to the Owner's Service Information for more information). You need to switch the audio unit REAR PWR button on for the rear display, remote controls, and sound to operate.

1. Check the wireless remote control operation. Does the wireless remote control operate normally? YES - Operation is normal at this time. NO - Go to step 2.
2. Substitute a known-good wireless remote control and recheck. Does the wireless remote control operate normally? YES - Replace the original wireless remote control. NO - Go to step 3.
3. Check the audio unit operation. Does the audio unit operate normally? YES - Go to step 4. NO - Go to the audio unit power switch will not turn ON (No information display and no sound) troubleshooting (see «POWER SWITCH WILL NOT TURN ON (NO INFORMATION DISPLAY AND NO SOUND)»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#audio-system__power-switch-will-not-turn-on) ).
4. Check the rear controller display. Does the display operate normally? YES - Replace the rear indicator sub-printed circuit board (see «REAR CONTROLLER AND SCREEN REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system__rear-controller-and-screen-removalinstallation) ). NO - Go to the «NO DISPLAY APPEARS ON THE REAR INDICATOR TROUBLESHOOTING»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system__no-display-appears-on-the-rear) .

Wireless remote control does not work (source select buttons)

Note. Check the wireless remote control battery condition first. You need to switch the audio unit REAR PWR button on for the rear display, remote controls, and sound to operate.

1. Check the wireless remote control operation. Does the source select button operate? YES -Operation is normal at this time. NO -Go to step 2.
2. Check the diagnosis menu 1. CONNECT status of the rear entertainment system self-diagnostic (see «HOW TO ENTER FOR SELF-DIAGNOSTIC FUNCTION WITH THE WIRELESS REMOTE CONTROL»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system) ). Is the device connect condition OK? YES - Replace the wireless remote control. NO - Repair the connection for the device that has a connection error indicated.

Wireless remote control does not work (rear power button)

Note. Check the wireless remote control battery condition first. The audio unit main and rear pwr must be ON before the wireless remote control power button will operate. You need to switch the audio unit REAR PWR button on for the rear display, remote controls, and sound to operate.

1. Check the wireless remote control operation. Does the audio unit indicate REAR PWR? YES - Replace the wireless remote control. NO - Go to step 2.
2. Press the REAR PWR button on the audio unit. Is the rear power button on ? YES - Operation is normal at this time. NO - Replace the wireless remote control.

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1. Turn the ignition switch to ON (II).
2. Turn the combination light switch ON and OFF. Does the screen backlight dim with the combination light switch in the ON position? YES - Operation is normal at this time. NO - Go to step 3.
3. Check the backlight settings in the display set up (refer to the Owner's Service Information for more information). Are the display settings set properly? YES - Go to step 4. NO - Adjust the display settings, and recheck the function.
4. Turn the ignition switch to LOCK (0).
5. Check that the rear controller and screen and audio unit are properly connected. Are the connections OK? YES - Go to step 6. NO - Reconnect the connector, and recheck the function.
6. Disconnect the rear controller and screen connector A (24P).
7. Turn the ignition switch to ON (II).
8. Measure the voltage between the rear controller and screen connector A (24P) No. 11 terminal and body ground. Turn the combination light switch on and off to see if the voltage changes. Is there battery voltage with the combination light switch ON? YES - Go to step 10 . NO - Go to step 9.
9. Check the illumination of several other unit/ switches not related to the rear entertainment system. Are the buttons illuminated? YES - Repair open in the wire(s) between the interior light relay in the auxiliary under-hood relay box and the rear controller and screen. NO - Troubleshoot the interior lights. Start by checking the interior light relay in the auxiliary under-hood relay box. If the relay is OK, check the No. 22 (7.5 A) fuse in the under-hood fuse/relay box. If there is OK, check for open in the wire between the under-hood fuse/relay box and the interior light relay.
10. Reconnect the rear controller and screen connector A(24P).
11. Measure the voltage between the rear controller and screen connector A (24P) No. 24 terminal and body ground. Is there less than 0.1 V? YES - Replace the rear controller and screen. NO - Repair open in the wire between rear controller and screen connector A (24P) No. 24 terminal and body ground (G506).

DVD player unit DISC IN indicator or DISC DISTINCTION indicator does not come on/ does not go off

1. Check the DVD player unit operation. Does the DVD player unit operate normally? YES - Operation is normal at this time. NO - Go to step 2.
2. Substitute a known-good disc and recheck. Is it normal? YES - Original disc is faulty. NO - Substitute a known-good audio unit and recheck. If the symptom/indicated goes away, replace the original audio unit (see «AUDIO UNIT REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#audio-system__audio-unit-removalinstallation) ).

Wireless remote control illumination does not come on

1. Check the wireless remote control operation. Does the illumination for all the buttons come on (10 seconds)? YES - Operation is normal at this time. NO - Go to step 2.
2. Replace the batteries in the wireless remote control and recheck (see «WIRELESS REMOTE CONTROL BATTERY REPLACEMENT»(/acura/mdx/ii-2006-2010/remont/entertainment-systems/#rear-entertainment-system) ). Does the wireless control illumination come on? YES - The original batteries were faulty. NO - Replace the wireless remote control.

Rear Controller and Screen Removal/Installation

Note. Put on gloves to protect your hands. Take care not to scratch the headliner and display cover.

Scheme 222

Scheme 223

Scheme 224

Scheme 225

Scheme 226

Scheme 227

Scheme 228

1. Remove the display cover.
2. Remove the mounting bolts, disconnect the connectors (A) from the rear controller and screen.
3. Remove the wireless remote control (A).
4. Remove the screws from the rear indicator (B).
5. Disconnect the cable (C) from the rear indicator.
6. Remove the screws, then remove the rear indicator sub printed circuit board (A).
7. Remove the screws, then remove the screen (A) and base (B). Disconnect the cable (C).
8. Remove the screws and lock switches (A)
9. Disconnect the cable (A), then remove the screws and the rear control main printed circuit board (B).
10. Install the parts in the reverse order of removal, and make sure the rear controller and screen connector are plugged in properly.

Scheme 229

1. Gently pull out the console rear trim (A).
2. Disconnect the 14P connector (B), and remove the auxiliary jack assembly (C).
3. Carefully pry out the auxiliary jack assembly.

Scheme 230

Scheme 231

1. Remove the battery cover (A) from the wireless headphone and lift the cover.
2. Remove the battery (B) from the wireless headphone. Replacement Battery Size: AAA
3. Turn the left earpiece (A), and confirm that the indicator (B) comes on after the battery is replaced.

Scheme 232

1. Remove the cover (A) from the remote control.
2. Remove the batteries (B). Replacement Battery: BR3032
3. Confirm that each operation works normally after replacing the batteries.

See also:
• AUDIO UNIT REMOVAL/INSTALLATION
• SPEAKER TEST/REPLACEMENT
• POWER SWITCH WILL NOT TURN ON (NO INFORMATION DISPLAY AND NO SOUND)
• RES DISC DOES NOT LOAD
• RES DISC DOES NOT EJECT
• RES DISC DOES NOT PLAY
• RES DISC SKIPS
• BLACK PICTURE IS SHOWN ON THE DISPLAY
• WHITE PICTURE IS SHOWN ON THE DISPLAY/ DISPLAY LOCK
• DISPLAY AREA PICTURE HAS LINES OR HAS SHIFTED
• DISPLAY DOES NOT GO OFF WHEN SCREEN IS CLOSED
• NO DISPLAY APPEARS ON THE REAR CONTROLLER INDICATOR
• NO SOUND/NO DISPLAY WITH AUXILIARY VIDEO UNIT INPUTS
• WIRED HEADPHONE SOUND IS WEAK, DISTORTED, VOLUME DOES NOT CHANGE, OR THERE IS NO SOUND
• WIRELESS HEADPHONES DO NOT WORK OR THERE IS STATIC IN DVD MODE
• WIRELESS HEADPHONE SOUND IS WEAK, SOUND DISTORTED, THERE IS STATIC, VOLUME DOES NOT CHANGE, OR THERE IS NO SOUND IN ALL MODES
• WIRELESS HEADPHONE BATTERY REPLACEMENT
• WIRELESS REMOTE CONTROL DOES NOT WORK (ALL BUTTONS)
• SELF-DIAGNOSTIC FUNCTION
• DVD PLAYER UNIT DISC IN INDICATOR OR DISC DISTINCTION INDICATOR DOES NOT COME ON/ DOES NOT GO OFF
• WIRELESS REMOTE CONTROL ILLUMINATION DOES NOT COME ON
• SELF-DIAGNOSTIC FUNCTION MODE SELECT
• REAR CONTROLLER AND SCREEN REMOVAL/INSTALLATION