Navigation System Symptom Troubleshooting - Interface dial buttons do not work
Interface dial buttons do not work
NOTE:
  • Confirm the correct version disc is installed in the navigation unit as the wrong DVD or software version can cause a hardware malfunction.
  • Check the connectors for poor connections or loose terminals.
  • Make sure that the correct version are installed.
  • Inspect the DVD for dirt or damage.
  • Check any official Honda service website for more service information about the navigation system.
  • Before troubleshooting, make sure you have anti-theft codes for the audio system and the navigation system.
  • After troubleshooting, enter the anti-theft codes for the audio system and the navigation system.
  • Check the vehicle battery condition first.
  1. Start the vehicle.
Does the interface dial buttons work properly?
YES -
The system is OK at this time.■
NO -
Go to Step 3 .
  1. Measure the voltage between the interface dial 5P connector terminal No. 4 and body ground.
Is there battery voltage?
YES -
Go to Step 4 .
NO -
Repair open in the wire between the driver's under-dash fuse/relay box and the interface dial.■
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the interface dial 5P connector.
  1. Check for continuity between interface dial 5P connector terminal No. 3 and body ground.
Is there continuity?
YES -
Go to Step 7 .
NO -
  1. Check for continuity between navigation unit connector B (32P) terminal No. 23 and interface dial 5P connector terminal No. 1.
Is there continuity?
YES -
Go to Step 8 .
NO -
There is an open in the circuit between the interface dial and the navigation unit. Replace the affected shielded harness.■
  1. Check for continuity between navigation unit connector B (32P) terminals No. 23 and No. 25.
Is there continuity?
YES -
There is a short in the wire. Replace the affected shielded harness.
NO -
Go to Step 9 .
Is the system OK?
YES -
NO -