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Navigation System - Firmware Improvement

L-SB-0067-09

Rev1

June 2, 2009

Navigation System Firmware Improvement

Service Category
Audio/Visual/Telematics

Section
Navigation/Multi Info Display

Market
USA





Applicability

TSIB REVISION NOTICE

^ December 23, 2009 Rev1:

^ The TSIB title has been changed.

^ The Loading Map Firmware onto Navigation Update Tool section of the Repair Procedure has been updated.

Any previous printed versions of this service bulletin should be discarded.

Introduction

During the map update procedure, the following conditions may occur:

^ Navigation system may continuously reboot or become inoperative.

^ Navigation system will reset to map update "I agree" screen.

Updated navigation system firmware has been developed to remedy this condition. This software MUST be installed into the vehicle before performing a map update using the Navigation Update Tool.





Required Tools & Equipment





Warranty Information

APPLICABLE WARRANTY

^ This repair is covered under the Lexus Comprehensive Warranty. This warranty is in effect for 48 months or 50,000 miles, whichever occurs first, from the vehicle's in-service date.

^ Warranty application is limited to occurrence of the specified condition described in this bulletin.

NOTE

This should be a labor claim only since navigation software is downloaded from TIS.

Repair Procedure

Loading Map Firmware onto Navigation Update Tool

NOTE

The Navigation Update Tool MUST have the latest "Navigation Program Installer" before performing this TSIB. For installation procedure, refer to TSIB L-SB-0180-09, "HDD Navigation Program Setup".

1. Turn on TIS Techstream.

2. Log into TIS.

3. Download the "Vehicle Navigation Software Update" from TIS.

A. Click on the TIS tab.

B. Click on the Diagnostics tab.

C. Click on the Tools & Equipment tab.

D. Click on the Navigation Update Tool tab under Tools.

E. Click on the applicable Generation 5 software version under Available Software Updates.

NOTE
If the TIS division is NOT set to Lexus (under the My Account area), the Navigation Update Tool tab will NOT display. Navigation Update is a Lexus ONLY TIS option at this time.





4. Click Open to begin the download.

NOTE
The file is large and may take up to 10 minutes to download.

5. Connect the Navigation Update Tool to the PC using the USB cable.

A. Make sure the USB cable is secured in both the PC and the Navigation Update Tool USB ports.

B. Confirm that the Navigation Update Tool is powered correctly.

C. Turn the power ON.

D. Click Continue.





6. Verify that both the Transfer Mode Display Light (green) and Power Supply Display Light (blue) are lit then click Continue.





7. The software will perform a connection check with the Navigation Update Tool. In the event an error is shown please recheck the USB connection.





8. Navigation Firmware is ready to be loaded onto the Navigation Update Tool click Continue.





9. Navigation Firmware will now load into the Navigation Update Tool.





10. Once the Navigation Firmware is successfully loaded onto the Navigation Update Tool click Continue to finish the installer.

11. Disconnect the navigation tool from the PC.

NOTE

Engine should be OFF before starting this procedure.

1. Connect the Navigation Update Tool to the vehicle (Tool MUST be disconnected from the PC).

2. Cycle the ignition ON and wait for the Caution screen to appear on the navigation display.

3. Press the MAP switch wait for the map to appear.

4. Hold down the INFO button and rotate the headlamp stalk switch ON and OFF 3 or more times until the navigation system enters the diagnostic mode.

5. Press the MENU button on the upper right side of the Multi-display screen.





6. Press the Program Update button.

7. Press the OK button.

NOTE
Load time for the program update is between 5 and 15 minutes.





8. When the ECU Selection screen appears, confirm the current version is less than the NEW version. If yes, then press the Select button.

If the current version is greater than or equal to the new version, then the update is NOT applicable to this vehicle.





9. When the EMVN screen is shown press OK.





10. After about 1 minute, if the update was successful the display will indicate "Updating Complete" at the top of the screen. Press OK to continue.





11. Confirm the Current Version reads "3171" then press End to complete the procedure.

NOTE
If the Current Version is NOT "3171", then turn ignition OFF and start again at step 1 of the programming procedure.





12. Press YES.





13. Cycle the ignition OFF to finish the updating procedure.

14. Cycle the ignition ON and verify normal Navigation System operation. Update is complete.

15. Please refer to TIS, Diagnostics, Tools & Equipment tab for the latest Map Update TSIB.