Audio System Symptom Troubleshooting - Audio-navigation switch panel button does not work(With Navigation) (2013 2014 2015)

Audio-navigation switch panel button does not work 

NOTE: 

• Check the vehicle battery condition first .
• Check the connectors for poor connections or loose terminals.

1. Problem verification 1

   -1. Press the engine start/stop button to select the ON mode.

   -2. Press the VOLUME/POWER knob on.

   Does the audio system turn on?

   YES 

   Go to step 2.

   NO 

   Go to Audio power switch will not turn on troubleshooting .

2. Problem verification 2

   -1. Rotate the VOLUME/POWER knob to see if the volume changes.

   Does the volume change?

   YES 

   Go to step 3.

   NO 

   Go to Volume does not change troubleshooting .

3. Problem verification 3

   -1. Operate all buttons in the appropriate switch list.

   Button Name
   Preset buttons (1-6)
   FM/AM button *1
   FM button *2
   AM button *2
   XM button *1
   TITLE button
   button
   DISC button
   HDD/AUX button
   CATEGORY buttons *1
   FOLDER buttons *2
   SKIP buttons
   TUNE buttons
   SCAN button
   A.SEL button
   AUDIO button

   *1: With XM

   *2: Without XM

   Do all the items in the appropriate switch list work properly?

   YES 

   Intermittent failure, the system is OK at this time.

   NO 

   The failure is duplicated, go to step 4.

4. Determine possible failure area (OPERA CONT line, others)

   -1. Press the engine start/stop button to select the OFF mode.

   -2. Disconnect the following connector.

   Audio-navigation switch panel 24P connector

   -3. Press the engine start/stop button to select the ON mode.

   -4. Measure the voltage between test points 1 and 2.

   Test condition	ON mode
   	Audio-navigation switch panel 24P connector: disconnected
   Test circuit	OPERA CONT
   Test point 1	Audio-navigation switch panel 24P connector No. 20 (GRN)
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there battery voltage?

   YES 

   The OPERA CONT wire is not open. Go to step 7.

   NO 

   Go to step 5.

5. Open wire check (OPERA CONT line)

   -1. Measure the voltage between test points 1 and 2.

   Test condition	ON mode
   	Audio-navigation switch panel 24P connector: disconnected
   Test circuit	OPERA CONT
   Test point 1	Audio-navigation unit connector E (36P) No. 33 (GRN)
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there battery voltage?

   YES 

   Repair an open in the wire between the audio-navigation unit and the audio-navigation switch panel.

   NO 

   The OPERA CONT wire is not open. Go to step 6.

6. Shorted wire check (OPERA CONT line)

   -1. Press the engine start/stop button to select the OFF mode.

   -2. Disconnect the following connector.

   Audio-navigation unit connector E (36P)

   -3. Check for continuity between test points 1 and 2.

   Test condition	OFF mode
   	Audio-navigation switch panel 24P connector: disconnected
   	Audio-navigation unit connector E (36P): disconnected
   Test circuit	OPERA CONT
   Test point 1	Audio-navigation unit connector E (36P) No. 33 (GRN)
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   Repair a short to body ground in the wire between the audio-navigation unit and the audio-navigation switch panel.

   NO 

   Replace the audio-navigation unit .

7. Shorted wire check (OPERA TX line, OPERA RX line)

   -1. Press the engine start/stop button to select the OFF mode.

   -2. Disconnect the following connector.

   Audio-navigation unit connector E (36P)

   -3. Check for continuity between test points 1 and 2.

   Test condition	OFF mode
   	Audio-navigation switch panel 24P connector: disconnected
   	Audio-navigation unit connector E (36P): disconnected
   Test circuit	OPERA TX
   Test point 1	Audio-navigation unit connector E (36P) No. 34 (YEL)
   Test point 2	Body ground

   Test circuit	OPERA RX
   Test point 1	Audio-navigation unit connector E (36P) No. 16 (BRN)
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

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

   NO 

   The OPERA TX and the OPERA RX wires are not shorted to ground. Go to step 8.

8. Shorted wire check (OPERA TX line to OPERA RX line)

   -1. Check for continuity between test points 1 and 2.

   Test condition	OFF mode
   	Audio-navigation switch panel 24P connector: disconnected
   	Audio-navigation unit connector E (36P): disconnected
   Test circuit	OPERA TX, OPERA RX
   Test point 1	Audio-navigation unit connector E (36P) No. 34 (YEL)
   Test point 2	Audio-navigation unit connector E (36P) No. 16 (BRN)

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   There is a short in the wires between the audio-navigation unit and the audio-navigation switch panel. Replace the affected shielded harness.

   NO 

   The OPERA TX and the OPERA RX wires are not shorted. Go to step 9.

9. Shorted wire check (SH OPERA line to another lines)

   -1. Check for continuity between test points 1 and 2.

   Test condition	OFF mode
   	Audio-navigation switch panel 24P connector: disconnected
   	Audio-navigation unit connector E (36P): disconnected
   Test circuit	SH OPERA, OPERA TX
   Test point 1	Audio-navigation unit connector E (36P) No. 15 (GRY)
   Test point 2	Audio-navigation unit connector E (36P) No. 34 (YEL)

   Test circuit	SH OPERA, OPERA RX
   Test point 1	Audio-navigation unit connector E (36P) No. 15 (GRY)
   Test point 2	Audio-navigation unit connector E (36P) No. 16 (BRN)

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   There is a short in the wires between the audio-navigation unit and the audio-navigation switch panel. Replace the affected shielded harness.

   NO 

   The SH OPERA wire is OK. Go to step 10.

10. Open wire check (OPERA TX line, OPERA RX line)

    -1. Check for continuity between test points 1 and 2.

    Test condition	OFF mode
    	Audio-navigation switch panel 24P connector: disconnected
    	Audio-navigation unit connector E (36P): disconnected
    Test circuit	OPERA TX
    Test point 1	Audio-navigation unit connector E (36P) No. 34 (YEL)
    Test point 2	Audio-navigation switch panel 24P connector No. 7 (YEL)

    Test circuit	OPERA RX
    Test point 1	Audio-navigation unit connector E (36P) No. 16 (BRN)
    Test point 2	Audio-navigation switch panel 24P connector No. 19 (BRN)

    Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The OPERA TX and the OPERA RX wires are OK. Go to step 11.

    NO 

    There is an open in the wire(s) between the audio-navigation unit and the audio-navigation switch panel. Replace affected shielded harness.

11. Audio-navigation unit check

    -1. Substitute a known-good audio-navigation switch panel .

    -2. Reconnect all the connectors, and recheck.

    Does the symptom go away?

    YES 

    Replace the original audio-navigation switch panel.

    NO 

    Replace the audio-navigation unit .