Symptoms - Navigation Systems

Symptoms - Navigation Systems

Important: The following steps must be completed before using the symptom tables.


* Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle before using the symptom tables in order to verify that all of the following are true:

- There are no DTCs set.
- The control modules can communicate via the serial data link.

* Review Navigation System Description and Operation Navigation System in order to familiarize yourself with the system functions.

Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the navigation system components. Refer to Checking Aftermarket Accessories Checking Aftermarket Accessories.
* Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections Testing for Intermittent Conditions and Poor Connections.

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

* No Global Positioning System (GPS) Reception No Global Positioning System (GPS) Reception
* Navigation System - Voice Recognition Malfunction Navigation System - Voice Recognition Malfunction
* For radio/audio related symptoms, refer to Symptoms - Entertainment Symptoms - Entertainment.