Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Audio remote switch does not work properly ('10-11 models with navigation)
- Check the vehicle battery condition first (see BATTERY TEST ).
- Check the connectors for poor connections or loose terminals.
- On vehicles with navigation, audio button operation can be checked by doing the hard key status test in the unit check screen. See navigation diagnostic mode (see UNIT CHECK (QUICK CHECK) ).
- Turn the ignition switch to ON (II).
- Turn on the audio-navigation unit and check the audio remote switch operation (volume up, volume down, CH+, CH-, MODE).
Is the audio-navigation unit operation OK?
YES -Intermittent failure, the audio remote switch is OK at this time. Check for loose connections.
NO -Go to step 3.
- Turn the ignition switch to LOCK (0).
- Test the audio remote switch (see
AUDIO REMOTE SWITCH TEST ).
Is the audio remote switch OK?
YES -Go to step 5.
NO -Replace the audio remote switch (see AUDIO REMOTE SWITCH REPLACEMENT ), and recheck.
- Remove the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION - ('10-11 models) ).
- Disconnect audio-navigation unit connector A (24P).NOTE:
- Eject all the discs before removing the audio-navigation unit and the audio disc changer to prevent damaging the CD player's load mechanism.
- Remove the PC card before removing the audio-navigation unit.
- Reconnect the audio remote switch, and measure the resistance between audio-navigation unit connector A (24P) terminals No. 5 and No. 16 as specified in the table.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
RESISTANCE REFERENCE CHARTPosition VOL DOWN VOL UP CH(-) CH(+) MODE No button pressed Resistance about 100 Ω about 357 Ω about 775 Ω about 1.7 kΩ about 3.7 kΩ about 10 kΩ Is the resistance OK?
YES -Go to step 8.
NO -Repair a short, an open, or high resistance in the wire(s) between the audio-navigation unit and the audio remote switch. If the wires are OK, replace the cable reel (see CABLE REEL REPLACEMENT ).
- Check for continuity between body ground and audio-navigation unit connector A (24P) terminals No. 5 and No. 16 individually.Fig 2: Checking Continuity Between Body Ground And Audio-Navigation Unit Connector A (24P) Terminals No. 5 And 16
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 audio remote switch. If the wires are OK, replace the cable reel (see CABLE REEL REPLACEMENT ).
NO -Substitute a known-good audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION - ('10-11 models) ), and recheck. If the symptom/indication goes away, replace the original audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION - ('10-11 models) ).
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.