No sound is heard from the speaker(s) (display is normal) (with navigation)

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Check the vehicle battery condition first (see BATTERY TEST ).
Check the connectors for poor connections or loose terminals.
Set the fader and balance positions to the center.
Before troubleshooting, make sure you have anti-theft codes for the audio-navigation unit.
After troubleshooting, enter the anti-theft codes for the audio-navigation unit.

Turn the ignition switch to ON (II).
Make sure the volume is not set to the MIN level, and check for sound in all modes (AM/FM, CD, XM, USB).
Is there sound in all modes, and is the sound normal?

YES -System is OK at this time. Check for poor connections at the audio-navigation unit, speakers, and stereo amplifier.

NO -
- If there is no sound in all modes, go to step 3.
- If there is no sound in AM/FM mode, go to AM OR FM RADIO RECEPTION INTERFERENCE
- If there is no sound in CD mode, go to the AUDIO DISC DOES NOT PLAY
- If there is no sound in the XM radio, go to the POOR OR NO SOUND WITH XM RADIO
- If there is no sound in the USB mode, go to the USB INPUT SOUND IS LOW OR CANNOT BE HEARD
On the steering wheel, check if the navigation talk command, and/or the HandsFreeLink talk command are set.
Are the navigation talk command and/or the HFL talk command functions set?

YES -Cancel the navigation talk command and/or HFL talk command by pressing the BACK button, and recheck.

NO -Go to step 4.
Do the speaker check mode with self diagnostic function (see XM SELF-DIAGNOSIS ).
Did all speakers produce a tone?

YES -Substitute a known-good audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom goes away, replace the original audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).

NO -Go to step 5.
Check the subwoofer for tone.
Did the subwoofer make a tone?

YES -Go to step 6.

NO -Go to step 36.
Turn the ignition switch to LOCK (0).
Check the No. 8 (30 A) fuse in the main under-hood fuse box.
Is the fuse OK?

YES -Go to step 8.

NO -Replace the fuse, and recheck.
Measure the voltage between stereo amplifier connector B (18P) terminal No. 18 and body ground.

Fig 1: Measuring Voltage Between Connector B (18P) Terminal No. 18 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Go to step 9.

NO -Repair an open in the wire between the No. 8 (30 A) fuse in the main under-hood fuse box and stereo amplifier connector B (18P) terminal No. 18.
Turn the ignition switch to ON (II).
Measure the voltage between stereo amplifier connector A (28P) terminal No. 3 and body ground.

Fig 2: Measuring Voltage Between Connector A (28P) Terminal No. 3 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Go to step 11.

NO -Repair an open in the wire between the stereo amplifier and the audio-navigation unit.
Measure the voltage between stereo amplifier connector B (18P) terminal No. 9 and body ground.

Fig 3: Measuring Voltage Between Connector B (18P) Terminal No. 9 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there less than 0.2 V?

YES -Go to step 12.

NO -Repair an open or high resistance in the wire between stereo amplifier connector B (18P) terminal No. 9 and body ground (G504) (see CONNECTOR TO FUSE/RELAY BOX INDEX ).
Turn the ignition switch to LOCK (0).
Check the speaker(s) with no sound for any damage.
Is there any damage?

YES -Replace the speaker(s) (see SPEAKER TEST/REPLACEMENT ), and recheck.

NO -Go to step 14.
Remove the speaker(s) that has no sound (see SPEAKER TEST/REPLACEMENT ), and disconnect its connector.
Check the speaker(s) connector for a loose or poor connection.
Reconnect the speaker connector, and recheck the symptom; is the condition still present?

YES -Go to step 16.

NO -Intermittent failure. Operation is normal.
Test the speaker(s) (see SPEAKER TEST/REPLACEMENT ).
Is the speaker OK?

YES -Go to step 17.

NO -Replace the speaker(s) (see SPEAKER TEST/REPLACEMENT ).
Turn the ignition switch to ON (II).
Do the audio-navigation unit self-diagnostic function DSP unit communication check (see SELF-DIAGNOSTIC FUNCTION ).
Is the DSP communication OK?

YES -Go to step 19.

NO -Replace the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).
Turn the ignition switch to LOCK (0).
Reconnect the speaker connector(s).
Disconnect stereo amplifier connector B (18P).

Check for continuity between body ground and stereo amplifier connector B (18P) according to the table.

Speaker	Stereo amplifier connector	Wire color
Front center speaker	B11 (+)	BLK
Front center speaker	B2 (-)	PNK
Driver's door speaker	B16 (+)	WHT
Driver's door speaker	B7 (-)	GRN
Left tweeter	B16 (+)	WHT
Left tweeter	B7 (-)	GRN
Front passenger's door speaker	B15 (+)	RED
Front passenger's door speaker	B6 (-)	BRN
Right tweeter	B15 (+)	RED
Right tweeter	B6 (-)	BRN
Left rear door speaker	B13 (+)	PNK
Left rear door speaker	B4 (-)	PUR
Right rear door speaker	B12 (+)	BLU
Right rear door speaker	B3 (-)	ORN
Left satellite speaker	B17 (+)	BLU
Left satellite speaker	B8 (-)	GRY
Right satellite speaker	B14 (+)	RED
Right satellite speaker	B5 (-)	BLK
Subwoofer	B10 (+)	BLU
Subwoofer	BT (-)	PNK

Fig 4: Identifying Connector B (18P) Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair a short to body ground in the wire(s) between the stereo amplifier and the speaker(s).

NO -Go to step 23.

Disconnect the left tweeter 2P connector and the right tweeter 2P connector.

Measure the resistance between both pairs of speaker wires (+) and (-) at stereo amplifier connector B (18P) according to the table.

Speaker	Stereo amplifier connector	Wire color
Front center speaker	B11 (+)	BLK
Front center speaker	B2 (-)	PNK
Driver's door speaker	B16 (+)	WHT
Driver's door speaker	B7 (-)	GRN
Front passenger's door speaker	B15 (+)	RED
Front passenger's door speaker	B6 (-)	BRN
Left rear door speaker	B13 (+)	PNK
Left rear door speaker	B4 (-)	PUR
Right rear door speaker	B12 (+)	BLU
Right rear door speaker	B3 (-)	ORN
Left satellite speaker	B17 (+)	BLU
Left satellite speaker	B8 (-)	GRY
Right satellite speaker	B14 (+)	RED
Right satellite speaker	B5 (-)	BLK

Resistance

Front center speaker: 4 Ω

Driver's door speaker: 2 Ω

Front passenger's door speaker: 2 Ω

Left rear door speaker: 2 Ω

Right rear door speaker: 2 Ω

Left satellite speaker: 4 Ω

Right satellite speaker: 4 Ω

Fig 5: Identifying Connector B (18P) Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance OK?

YES -Go to step 25.

NO -Repair an open or a short in the wire(s) between the stereo amplifier and the speaker(s).

Disconnect these items:
- Driver's door speaker 2P connector
- Front passenger's door speaker 2P connector
- Subwoofer 8P connector
Connect the speaker connector terminal (+) and (-) with a jumper wire.

Fig 6: Identifying Left Tweeter 2P Connector Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 7: Identifying Right Tweeter 2P Connector Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 8: Identifying Subwoofer 8P Connector Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Check for continuity between both pairs of speaker wires (+) and (-) at the stereo amplifier connector B (18P) according to the table.

Speaker	Stereo amplifier connector	Wire color
Left tweeter	B16 (+)	WHT
Left tweeter	B7 (-)	GRN
Right tweeter	B15 (+)	RED
Right tweeter	B6 (-)	BRN
Subwoofer	B10 (+)	BLU
Subwoofer	B1 (-)	PNK

Fig 9: Identifying Stereo Amplifier Connector B (18P) Connector Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 28.

NO -Repair an open in the wire(s) between the stereo amplifier and the speaker(s).

Remove the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ), and disconnect audio-navigation unit connector F (20P).

Check for continuity between stereo amplifier connector A (28P) and audio-navigation unit connector F (20P) according to the table.

Stereo amplifier connector	Audio-Navigation unit connector	Wire color
A1	F1	BLU
A2	F12	PNK
A15	F2	GRN

Fig 10: Identifying Stereo Amplifier Connector A (28P) Connector Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 11: Identifying Audio-Navigation Unit Connector F (20P) Connector Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 30.

NO -There is an open in the wire(s) between the stereo amplifier and the audio-navigation unit. Replace the affected shielded harness.

Check for continuity between the terminals of audio-navigation unit connector F (20P) according to the table.

From terminal	To terminals
F11 (BRN)	F1 (BLU), F2 (GRN)
F12 (PNK)	F1 (BLU), F2 (GRN)

Fig 12: Identifying Audio-Navigation Unit Connector F (20P) Connector Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity between any of the terminals?

YES -There is a short in the wires between the audio-navigation unit and the stereo amplifier. Replace the affected shielded harness.

NO -Go to step 31.

Check for continuity between body ground and stereo amplifier connector A (28P) terminal No. 1, No. 2, and No. 15 individually.

Fig 13: Checking Continuity Between Body Ground And Connector A (28P) Terminal No. 1, No. 2, And No. 15
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -There is a short to body ground in the wire(s) between the stereo amplifier and the audio-navigation unit. Replace the affected shielded harness.

NO -Go to step 32.
Disconnect audio-navigation unit connectors A (24P), and connector B (24P).

Check for continuity between audio-navigation unit connector A (24P), connector B (24P) and stereo amplifier connector A (28P) according to the table.

Audio-Navigation unit connector	Stereo amplifier connector	Wire color
A6	A28	YEL
A7	A14	BRN
A10	A27	PUR
A11	A13	LT BLU
A18	A25	PNK
A19	A11	BLU
A22	A24	RED
A23	A10	GRN
B9	A18	PNK
B10	A4	BLU
B12	A6	GRN
B24	A19	RED

Fig 14: Identifying Audio-Navigation Unit Connector A (24P) Connector Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 15: Identifying Audio-Navigation Unit Connector B (24P) Connector Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 16: Identifying Stereo Amplifier Connector A (28P) Connector Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 34.

NO -Repair an open in the wire(s) between the audio-navigation unit and the stereo amplifier.

Check for continuity between body ground and stereo amplifier connector A (28P) according to the table.

Stereo amplifier connector	Wire color
A4	BLU
A6	GRN
A10	GRN
A11	BLU
A13	LT BLU
A14	BRN
A18	PNK
A19	RED
A24	RED
A25	PNK
A27	PUR
A28	YEL

Fig 17: Identifying Stereo Amplifier Connector A (28P) Connector Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair a short to body ground in the wire(s) between the audio-navigation unit and the stereo amplifier.

NO -Go to step 35.

Check for continuity between the terminals of stereo amplifier connector A (28P) according to the table.

From terminal	To terminals
A4 (BLU)	A6 (GRN), A10 (GRN), A11 (BLU), A13 (LT BLU), A14 (BRN), A18 (PNK), A19 (RED), A24 (RED), A25 (PNK), A27 (PUR), A28 (YEL)
A6 (GRN)	A10 (GRN), A11 (BLU), A13 (LT BLU), A14 (BRN), A18 (PNK), A19 (RED), A24 (RED), A25 (PNK), A27 (PUR), A28 (YEL)
A10 (GRN)	A11 (BLU), A13 (LT BLU), A14 (BRN), A18 (PNK), A19 (RED), A24 (RED), A25 (PNK), A27 (PUR), A28 (YEL)
AH (BLU)	A13 (LT BLU), A14 (BRN), A18 (PNK), A19 (RED), A24 (RED), A25 (PNK), A27 (PUR), A28 (YEL)
A13 (LT BLU)	A14 (BRN), A18 (PNK), A19 (RED), A24 (RED), A25 (PNK), A27 (PUR), A28 (YEL)
A14 (BRN)	A18 (PNK), A19 (RED), A24 (RED), A25 (PNK), A27 (PUR), A28 (YEL)
A18 (PNK)	A19 (RED), A24 (RED), A25 (PNK), A27 (PUR), A28 (YEL)
A19 (RED)	A24 (RED), A25 (PNK), A27 (PUR), A28 (YEL)
A24 (RED)	A25 (PNK), A27 (PUR), A28 (YEL)
A25 (PNK)	A27 (PUR), A28 (YEL)
A27 (PUR)	A28 (YEL)

Fig 18: Identifying Stereo Amplifier Connector A (28P) Connector Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity between any of the terminals?

YES -Repair a short in the wires between the audio-navigation unit and the stereo amplifier.

NO -Substitute a known-good stereo amplifier (see STEREO AMPLIFIER REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original stereo amplifier (see STEREO AMPLIFIER REMOVAL/INSTALLATION ). If the symptom is still present. Substitute a known-good audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION ).

Measure the voltage between subwoofer 8P connector terminal No. 5 and body ground.

Fig 19: Measuring Voltage Between 8P Connector Terminal No. 5 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Go to step 37.

NO -Repair an open in the wire between the No. 12 (10 A) fuse in the under-dash fuse/relay box and subwoofer 8P connector terminal No. 5.
Turn the ignition switch to ON (II).
Measure the voltage between subwoofer 8P connector terminal No. 6 and body ground.

Fig 20: Measuring Voltage Between 8P Connector Terminal No. 6 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES -Go to step 41.

NO -Go to step 39.
Check for continuity between stereo amplifier connector A (28P) terminal No. 20 and subwoofer 8P connector terminal No. 6.

Fig 21: Checking Continuity Between Connector A (28P) Terminal No. 20 And 8P Connector Terminal No. 6
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 40.

NO -Repair an open in the wire between the stereo amplifier and the subwoofer.
Check for continuity between subwoofer 8P connector terminal No. 6 and body ground.

Fig 22: Checking Continuity Between 8P Connector Terminal No. 6 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Repair a short to body ground in the wire between the stereo amplifier and the subwoofer.

NO -Substitute a known-good subwoofer (see SUBWOOFER/AMPLIFIER UNIT (WITH NAVIGATION) ), and recheck. If the symptom/indication goes away, replace the original subwoofer (see SUBWOOFER/AMPLIFIER UNIT (WITH NAVIGATION) ). If the symptom is still present, substitute a known-good stereo amplifier (see STEREO AMPLIFIER REMOVAL/INSTALLATION ), and recheck. If the symptom/indication goes away, replace the original stereo amplifier (see STEREO AMPLIFIER REMOVAL/INSTALLATION ).
Measure the voltage between subwoofer 8P connector terminal No. 4 and body ground.

Fig 23: Measuring Voltage Between 8P Connector Terminal No. 4 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there less than 0.2V?

YES -Go to step 12.

NO -Repair an open or high resistance in the wire between subwoofer 8P connector terminal No. 4 and body ground (G606) (see CONNECTOR TO FUSE/RELAY BOX INDEX ).