Voice guidance cannot be heard NOTE:

- Always check the connectors for poor connections or loose terminals.
- Before troubleshooting, write down the customer's radio station presets, and get the radio and navigation system anti-theft codes.

1. Press the display unit SET-UP button.

1. Check the volume setting for the navigation system.

Is it set to OFF?

YES | - | Set the volume to an audible level.■
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 Menu and use the ‘‘Navi System Link'' test 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 the navigation unit connector B (14P) and the audio unit connector A (20P).

1. Check for continuity between body ground and navigation unit connector B (14P) terminals No. 5, No. 12 individually.

Is there continuity?

YES | - | Replace the affected shielded harness.■
NO | - | Go to Step 8 .