Navigation System Symptom Troubleshooting - Voice guidance cannot be heard
Voice guidance cannot be heard
Diagnostic Test: Navi System Link
NOTE:
  • Always check the connectors for poor connections or loose terminals.
  • Before troubleshooting, write down the customer's radio station presets.
  • After troubleshooting, enter the radio station presets.
  1. Press the navigation display MENU button.
  1. Check the volume and voice feedback setting for the navigation system in setting screen.
Is either set to OFF?
YES -
Set the voice feedback to ON and select an audible level for the volume.■
NO -
Go to Step 3 .
  1. Check the radio operation.
Can you hear the radio?
YES -
Go to Step 4 .
NO -
Troubleshoot the audio system.■
  1. Go into the Diagnostic mode, and use the ‘‘Navi System Link'' diagnostic to check the radio.
Is ‘‘Radio'' icon red?
YES -
Troubleshoot the audio system.■
NO -
Go to Step 5 .
  1. Turn the ignition switch OFF.
  1. Disconnect navigation unit connector B (14P) and the audio unit connector B (20P).
  1. Check for continuity between body ground and navigation unit connector B (14P) terminals No. 4, No. 5 and No. 12 individually.
Is there continuity?
YES -
Repair short to ground in the harness between the navigation and audio units. Replace the affected shielded harness.■
NO -
Go to Step 8 .