| 0 | AERIAL CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Check that the GPS aerial is not covered by any object (luggage rack, skis etc.) | Move on to Step 1 | An object is screening the signal | Eliminate cause of signal screening | 
| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Use the tester to connect to the Connect system and check for errors | Move on to Step 2 | Errors present | Continue as described by the diagnostic equipment | 
| 2 | ELECTRICAL CHECKS | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Check the GPS aerial is correctly connectedCheck the GPS aerial is correctly supplied    See Test 5580PE CHECK THE OPERATION OF THE CONNECT GPS AERIAL MODULECheck the GPS aerial lead is intactCheck the insulation of the satellite aerial in relation to earth | Move on to Step 3 | 1. GPS aerial connector incorrectly connected | 1. Connect the connector correctly | 
| 2. GPS aerial power supply interrupted from Connect | 2. Replace Connect    Op. 5580P12 CONNECT PANEL REPLACE | 
| 3. Aerial lead defective | 3. Replace the aerialOp. 5580M70 | 
| 4. Aerial lead imperfectly insulated | 4. Restore insulation | 
| 5. GPS aerial defective | 5. Replace the aerialOp. 5580M70 | 
| 3 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Check that the fault is no longer present | End of diagnosis |  |  |