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.
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- Check the vehicle battery condition first (see 12 VOLT BATTERY TEST ).
- Make sure that the correct DVD color and version are installed.
- Check any official Honda service website for more information about the navigation system.
- Check the connectors for poor connections or loose terminals."
- Before troubleshooting, make sure you have the navigation system anti-theft code.
- Check the No. 1 (15 A) fuse in the under-dash fuse/relay box and the No. 14 (7.5 A) fuse in the under-dash fuse/relay box, and reinstall the fuse if it is OK.
Is the fuse OK?
YES -Go to step 2.
NO -Replace the fuse, and recheck.
- Turn the ignition switch to ON (II).
- Operate the radio and listen to the audio.
Can you hear the audio?
YES -Go to step 4.
NO -Refer to audio system troubleshooting.
- Turn the ignition switch to LOCK (0).
- Check for DTCs.
Are there any DTCs stored?
YES -Troubleshoot the indicated DTC, and recheck. If the symptom does not go away, Go to step 6.
NO -Go to step 6.
- Measure the voltage between audio-navigation unit connector A (24P) terminal No. 24 and body ground, and between audio-navigation unit connector C (8P) terminal No. 1 and body ground.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.