| TEST RESULTS |
| 0 | PRELIMINARY CHECKS | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the USB device with the pre-loaded maps is connected to the USB port on the vehicle | Move on to Step 1 | Connection to USB port defective | Restore the correct connection |
| 1 | CHECK USING THE EXAMINER | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Using the Examiner in the CAN information ambient, check the list of faulty control units | Move on to Step 2 | Control unit error | Continue as described by the diagnostic equipment |
| 2 | NAV BUTTON CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the NAV button in the control panel is working properly See Test Check the continuity of the connection between the control panel and the Bluetooth node See E4090 NAVIGATOR | Move on to Step 3 | 1. NAV button defective2. Wiring broken/short-circuited | 1. Replace the control panel Op. 5580M20 ON BOARD NAVIGATION SYSTEM CONTROLS - R.R.2. Restore the correct wiring. |
| 3 | CORRECT OPERATION CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the Bluetooth node is working properly | End of diagnosis | Bluetooth node defective | Replace the Bluetooth control unit Op. 5570T49 BLUETOOTH ELECTRONIC CONTROL UNIT - R.R. |
