For 1990-2009 cars only
Important: The following steps must be completed before
using the symptom tables.
• Perform the
Diagnostic System Check - Vehicle
in Vehicle DTC Information, 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
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 in Wiring Systems. |
| • | 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 in Wiring Systems.
Symptom List
Refer to No Global Positioning System (GPS) Reception in order to diagnose the symptom.
