Step  | Action  | Yes  | No  | 
|---|---|---|---|
Schematic Reference: Navigation System Schematics DEFINITION: The navigation display is blank, distorted, or the colors are not correct.  | |||
1  | Did you perform the Diagnostic System Check - Vehicle?  | Go to Step 2  | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information  | 
2  | 
 Does the system operate normally?  | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems  | Go to Step 3  | 
3  | Does the display show the current position of the vehicle, but the map is unclear or discolored?  | Go to Step 4  | Go to Step 5  | 
4  | 
 Does the screen appear clear and have clear color?  | Go to Step 6  | Go to Step 5  | 
5  | Replace the navigation radio. Refer to Radio Replacement in Entertainment. Did you complete the replacement?  | Go to Step 6  | --  | 
6  | Operate the system in order to verify the repair. Did you correct the condition?  | System OK  | --  |