Navigation/Multi Info Display - Various Concerns
L-SB-0147-11December 9, 2011
Navigation System Firmware Improvement
Service Category
Audio/Visual/Telematics
Section
Navigation/Multi Info Display
Market
USA
Applicability
Introduction
Do NOT perform a map update until this TSIB has been performed
Certain 2010 - 2012 model year Lexus models may exhibit one or more of the following conditions:
^ Steering wheel volume controls are intermittently inoperative
^ Navigation System region code intermittently will reset to region U59
^ XM NavTraffic will not function properly after renewing XM traffic subscription
^ Slow response from Bluetooth address book voice commands
^ Black screen condition after shifting from reverse to park
^ Air conditioning screen may not appear when changing blower speed
^ iPod scrolling speed is slow
^ Display constantly shows "Calculating" on right side of screen while driving on freeway Slow response at times from navigation system even at startup
^ GPS coordinates shown instead of destination address.
^ Display locks up and appears unresponsive after periods of time.
^ Touch screen (if equipped) functions are slow to respond.
Navigation firmware has been updated to allow updating map to version 10.1 or later. Updated navigation system software has also been developed to remedy these conditions. Use the following procedure to address these conditions.
Production Change Information
This TSIB applies to all 2010 SC 430 vehicles with navigation systems and to vehicles produced BEFORE the Production Change Effective VINs shown.
Warranty Information
Required Tools & Equipment
Repair Procedure
Loading Map Firmware onto Navigation Update Tool
Navigation Update Tool MUST have 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 appropriate 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 appropriate "Vehicle Navigation Software Update" under Available Software Updates.
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.
5. Once file is downloaded prepare the vehicle for use with the Navigation Update Tool. Cover the GPS antenna in a manner where GPS satellite tracking is NOT present during the navigation software update process.
NOTE
Park vehicle in a structure that blocks the GPS signal~ or cover the GPS antenna with a metal panel
6. 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 Navigation Update Tool USB ports.
B. Confirm the Navigation Update Tool is powered correctly.
C. Turn the power ON.
D. Click Continue.
7. Verify that both the Transfer Mode Display Light (green) and Power Supply Display Light (blue) are lit then click Continue.
8. The software will perform a connection check with the Navigation Update Tool. In the event an error is shown please recheck the USB connection.
9. Navigation Firmware is ready to be loaded onto the Navigation Update Tool click Continue.
10. Navigation Firmware will now load onto the Navigation Update Tool.
11. Once the Navigation Firmware is successfully loaded onto the Navigation Update Tool click Continue to finish the installer
12. Disconnect the navigation tool from the PC.
Loading Map Firmware into Vehicle Navigation System
NOTE
Vehicle ignition should be OFF before starting this procedure.
1. Connect the Navigation Update Tool to the vehicle (Tool MUST be disconnected from the PC)
2. Connect the GR8 battery diagnostic station to the vehicle.
3. Turn the Ignition ON (engine OFF) and wait for the Caution screen to appear.
4. Select Show on Map switch.
5. Hold down the Menu button on the Remote Touch interface and turn the light switch from OFF to tail light position 3 or more times until the navigation system enters the diagnostic mode.
For touch screen vehicles (ES 350, IS 250C/350C, GS 350/450h/460, GX 460, LS 460/460L, LS 600hL, LX 570, SC 430):
Press the INFO switch and turn the light switch from OFF to tail light position 3 or more times until the navigation system enters the diagnostic mode.
6. Select the Program Update button from the Service Menu.
7. Select the OK button.
8. When the ECU Selection screen appears confirm the Current version is less than the New version. If yes then click the Select button. If no then click End and go to step 11.
9. When EMV-M screen is shown select OK.
10. After about 1 minute if the update was successful the display will indicate "Updating complete at the top of the screen. Select OK to continue.
11. Confirm the current version matches one of those shown below Select End to complete the procedure.
12. Cycle the ignition OFF to finish the updating procedure
13. Cycle the ignition ON and confirm normal Navigation System operation.
14. Remove items that block the GPS antenna, or move to an area where GPS satellite reception is present.
15. Refer to TIS, Diagnostics, Tools & Equipment tab for the latest navigation Map Update TSIB.