Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLEXUS1999RX 300 AWD V6-3.0L (1MZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSDIAGNOSTIC TESTER - CUSTOMIZE PROGRAM CARD UPDATEOVERVIEW
1999 Lexus RX 300 AWD V6-3.0L (1MZ-FE)
Diagnostic Tester - Customize Program Card Update: Overview
1999 Lexus RX 300 AWD V6-3.0L (1MZ-FE)SECTION Overview
SPECIAL SERVICE TOOLS
SS001-99
April 9, 1999
Title:
CUSTOMIZE PROGRAM CARD VERSION 1.1
Modes
'98 - '99 LS 400, GS 300/400 & '99 RX 300
REVISION NOTICE:
The Information contained in this TSB updates SS002-97 dated October 31, 1997.
Introduction
The Customize Program Card for the Lexus Diagnostic Tester allows Lexus Dealers to customize many of the electrical functions on LS 400, GS 300/400, and RX 300 vehicles to match individual customer desires. This bulletin will provide you with a comprehensive list of available features for customization.
NOTE:
Customize Program Card 1.0 should be updated to Version 1.1. Contact Vetronix Corporation at 1-800-321-4889 ext. 3195 to reprogram cards to Version 1.1.
Affected Vehicles
^ 1998 model year LS 400 and GS 300/400.
^ 1999 model year LS 400, GS 300/400 and RX 300.
Parts Information
OTC PART NUMBER PART NAME
02002456 Customize Program Card Version 1.1
^ Replacement Customize Program Cards can be ordered through the Lexus Special Service Tool Program by calling 1-800-933-8335.
Service Procedure
1. Follow the procedure in the Customize Program Card Operator's Manual (P/N 02002483-005) to set the vehicle functions as desired.
2. When customizing, a detailed description including the "item Selected", the old setting, and the new setting must be entered into the Lexus National Service History as a vehicle note.
EXAMPLE:
If changing the WIRELESS BUZZ VOLUME function from MID2 to MAX enter the following Information into the National Service History Vehicle Notes:

NOTE:
Having these records In the National Service History is very important. If a customer decides that they preferred a previous setting, they may not be able to provide the Dealer with a correct description of the function or its previous setting. The National Service History can be used In conjunction with the customers explanation to verify that the correct function Is being reset.

Warranty Information
SS001-99
April 9, 1999
Title:
CUSTOMIZE PROGRAM CARD VERSION 1.1
Modes
'98 - '99 LS 400, GS 300/400 & '99 RX 300
REVISION NOTICE:
The Information contained in this TSB updates SS002-97 dated October 31, 1997.
Introduction
The Customize Program Card for the Lexus Diagnostic Tester allows Lexus Dealers to customize many of the electrical functions on LS 400, GS 300/400, and RX 300 vehicles to match individual customer desires. This bulletin will provide you with a comprehensive list of available features for customization.
NOTE:
Customize Program Card 1.0 should be updated to Version 1.1. Contact Vetronix Corporation at 1-800-321-4889 ext. 3195 to reprogram cards to Version 1.1.
Affected Vehicles
^ 1998 model year LS 400 and GS 300/400.
^ 1999 model year LS 400, GS 300/400 and RX 300.
Parts Information
OTC PART NUMBER PART NAME
02002456 Customize Program Card Version 1.1
^ Replacement Customize Program Cards can be ordered through the Lexus Special Service Tool Program by calling 1-800-933-8335.
Service Procedure
1. Follow the procedure in the Customize Program Card Operator's Manual (P/N 02002483-005) to set the vehicle functions as desired.
2. When customizing, a detailed description including the "item Selected", the old setting, and the new setting must be entered into the Lexus National Service History as a vehicle note.
EXAMPLE:
If changing the WIRELESS BUZZ VOLUME function from MID2 to MAX enter the following Information into the National Service History Vehicle Notes:
NOTE:
Having these records In the National Service History is very important. If a customer decides that they preferred a previous setting, they may not be able to provide the Dealer with a correct description of the function or its previous setting. The National Service History can be used In conjunction with the customers explanation to verify that the correct function Is being reset.
Warranty Information
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.