Canada - Navigation System - Voice Recognition Malfunction
Bulletin2386
Issue Date
March 2, 2007
Title
NAVIGATION SYSTEM VOICE RECOGNITION SYSTEM "TALK BACK" MALFUNCTION
Component
ELECTRICAL
Models
'07 ES350, GS350/430/450h, GX470, IS250/350 & RX350/400h
TSB REVISION NOTICE:
- May 3, 2007: The GX 470 Production Change Effective VIN has been updated in Production Change Information.
Previous versions of this TSB should be discarded.
INTRODUCTION:
Some customers may experience a condition with the voice recognition component of the navigation system where the system will add additional words or phrases when responding to a city or street name input via voice recognition. A special DVD map disc with a revised operating system has been developed to remedy this condition.
APPLICABLE VEHICLES:
- 2007 model year ES 350, GS 350/430/450h, GX 470, IS 250/350, and RX 350/400h vehicles equipped with the Lexus Navigation System produced BEFORE the Production Change Effective VINs shown below.
PARTS INFORMATION:
WARRANTY INFORMATION:
PRODUCTION CHANGE INFORMATION:
REQUIRED SSTS:
REPAIR PROCEDURE:
1. Order a map disc through DENSO by faxing the Navigation System Information Form located to 905-890-8474. Provide DENSO the TSB reference number, dealer code and vehicle information when ordering this special map disc.
2. Replace the navigation map disc.
Refer to the Repair Manual within E-TAS / TIS library:
- Division: Lexus
- Model: ES350, GS350/430/450h, GX470, IS250/350, & RX350/400h
- Year: 2007
- Service Category: Audio/Visual/Telematics
- Section: Navigation/Multi info Display
- Keyword: > Navigation: Navigation ECU: Removal
> Navigation: Navigation ECU: Installation
3. Cut the original navigation map disc in half and dispose of it.
IDENTIFICATION METHOD:
The map disc supplier part number changed to 464210--0792. Refer to the illustration to locate the supplier's part number (directly below the OEM part number):
