2005 LEXUS ES300 immobilizer

Page 1 of 6Lexus Supports ASE Certification
Title:
IMMOBILIZER KEY CODE RESET
Models:
Applicable ES 300, GS 430, GS 300,
IS 300, & LX 470
Technical Service
Information Bulletin
August 26, 2002
SS002-01
TSIB REVISION NOTICE:
August 26, 2005: The model years for each model have been specifically defined in
the ªApplicable Vehiclesº section. The ªRequired SSTsº section has been updated.
February 11, 2003: Model years for LX 470 revised to apply to 2001 and 2002 only.
August 26, 2002: ES 300, GS 300, and IS 300 models added. Model years for GS 430
and LX 470 vehicles expanded to include 2002 and later. Diagnostic Tester software
in Required Tools & Material updated to version 9.01a (or later).
Previous versions of this TSIB should be discarded.
Immobilizer Reset is a new feature that allows the registration of a new Master Key even
if all original Master Keys are lost. Once the Immobilizer system is reset, all previously
registered keys will be erased.
MODEL YEARMODELENGINE MODEL
2001 ± 2005*GS 4303UZ±FE
2001 ± 2002*LX 4702UZ±FE
2002 ± 2003*ES 3001MZ±FE
2002 ± 2005*GS 3002JZ±GE
2002 & Later*IS 3002JZ±GE
* Immobilizer Key Code Reset procedure is not available for prior model years.
NOTE:
Refer to TIS (Technical Information System) for the most current applicable
vehicle information.
PREVIOUS PART NUMBERCURRENT PART NUMBERPART NAME
N/AModel SpecificReplacement Key (Master or Sub)
OP CODEDESCRIPTIONTIMEOFPT1T2
N/ANot Applicable to Warranty ±±±±
SPECIAL SERVICE TOOLS
Introduction
Applicable
Vehicles
Parts
Information
Warranty
Information

August 26, 2002IMMOBILIZER KEY CODE RESET ± SS002-01 Revised
Page 2 of 6
ITEM
NO.SPECIAL SERVICE TOOLS (SSTs)PART NUMBERQTYDRW**
1
Lexus Diagnostic Tester Kit*
NOTE:
All components from this kit/set are required
12 Megabyte Diagnostic Tester Program Card
(P/N 01002593±005) with version 13.0a Software
(or later) is requiredLEX22003618
2
CAN Interface Module Kit*
NOTE:
All components from this kit/set are required0100274418
* Essential SSTs.
** Refers to drawer number in SST Storage System.
NOTE:
Additional Diagnostic Tester Kits, CAN Interface Modules, Program Cards, or other
SSTs may be ordered by calling SPX/OTC at 1-800-933-8335.
The Immobilizer Reset function is a 5-step process:
1. Using the Diagnostic Tester, retrieve a ªSeed Numberº through the OBD/MOBD
Immobilizer function.
A ªSeed Numberº is a unique number provided by the Diagnostic Tester and
validated by TIS (Technical Information System) in order to return a Passcode.
2. Using TIS, select Immobilizer Reset, and complete the request form to retrieve a
ªPasscode Number.º
A ªPasscode Numberº is a unique number required by the Diagnostic Tester to
reset the ECU allowing it to accept a new Master Key.
3. Enter the ªPasscode Numberº received from TIS into the Diagnostic Tester.
4. Confirm successful Immobilizer reset and new Master Key registration.
5. Register any additional customer keys.
Required
SSTs
Function
Description

August 26, 2002IMMOBILIZER KEY CODE RESET ± SS002-01 Revised
Page 3 of 6
NOTE:
Ensure that the Diagnostic Tester is equipped with the latest version of software (13.0a
or later).
Connect the Diagnostic Tester to DLC3 and turn ignition ON.
1. Using the Diagnostic Tester, follow the screen flows below to retrieve the ªSeed
Number.º (DO NOT DISCONNECT the Diagnostic Tester from the vehicle during
this process.)
1: CODES (ALL)
2: ENGINE AND ECT
3: ABS / VSC
4: CCS
6: SRS AIRBAG
PRESS OR [NO]1: KEY REGISTRATION
2: KEY CODE ERASURE
3: AUTO REG CLOSURE
*APPLICATION SELECT*
1: DIAGNOSIS
2: CUSTOMIZE
3: ECU REPROGRAM
A
FUNCTION SELECT
FOR NORTH AMERICA
BC
1: OBD/MOBD
2: ENHANCED OBD II
3: CARB OBD II
4: BREAK-OUT BOX
5: NVH
6: AUTOPROBE
7: O2 RPM CHECK
8: SNAPSHOT REVIEW
9: SETUP
0: GAS ANALYSIS
OBD/MOBD MENU
5: IMMOBILIZER
DIAGNOSTIC MENU
IMMOBILIZER
4: KEY CODE UTILITY1: CURRENT DATA
2: TROUBLE DATA
D
KEY CODE UTILITY
EF
9: KEY CODE RESET
KEY CODE RESET
CONFIRM
± Master Key is in
ignition.
± ignition is ON.
NOTE: If ignition is OFF,
then EXIT to OBD/MOBD
Menu.
PRESS [ENTER]
GH
KEY CODE RESET
This Function will
RESET
the registered
Key Code.
DO YOU WISH TO
CONTINUE RESETTING?
[YES]PRESS [ENTER] KEY CODE RESET
SEED NUMBER
999999
FIGURE 2. DIAGNOSTIC TESTER SCREEN FLOW
Please input
SEED NUMBER
into TIS
NOTICE:
Do NOT turn the
ignition OFF.
Do NOT disconnect the
Diagnostic Tester.
*
* Option ª9: KEY CODE RESETº will not appear if your present vehicle does not support the key code
reset functions.
Key Code
Reset
Procedure

August 26, 2002IMMOBILIZER KEY CODE RESET ± SS002-01 Revised
Page 4 of 6
2. Using TIS, select Immobilizer Reset, and complete the request form to retrieve a
ªPasscode Number.º
A. Click on Diagnostics.
B. Click on Immobilizer Reset.
FIGURE 3. SELECTING IMMOBILIZER RESET ON TIS
A
B
C. Read the instructions on the screen and click on Continue.
(See Figure 4 below.)
FIGURE 4. IMMOBILIZER RESET INSTRUCTIONS ON TIS
C
Key Code
Reset
Procedure
(Continued)

August 26, 2002IMMOBILIZER KEY CODE RESET ± SS002-01 Revised
Page 5 of 6
D. Complete the request form and enter the ªSeed Numberº from the Diagnostic
Tester. Click on Submit (Figure 5).
FIGURE 5. REQUEST FORM ON TIS
NOTE:
All fields must be completed.
D
E. TIS will now return the Passcode that needs to be entered into the Diagnostic Tester.
FIGURE 8. RECEIVING PASSCODE FOR DIAGNOSTIC TESTER
NOTE:
The Passcode given by TIS is only valid for one Immobilizer Reset Event.
E
Key Code
Reset
Procedure
(Continued)

August 26, 2002IMMOBILIZER KEY CODE RESET ± SS002-01 Revised
Page 6 of 6
3. Using the numbered keys (0±9) on the Diagnostic Tester, enter the ªPasscode
Numberº received from TIS. (See Figure 7 below.) Press ENTER to clear all
registered key codes.
NOTE:
Key Code Reset takes approximately 16 minutes.
ABC
RESET COMPLETE
If the engine starts,
this key code is
registered correctly.
KEY CODE RESET
Please insert PASSCODE
NUMBER from TIS
PASSCODE NUMBERKEY CODE RESET KEY CODE RESET
**NOW RESETTING**
If the key was in the IG
cylinder, do not remove it.
Remaining Time
<16> Min.
PRESS [ENTER]
000414
PRESS [ENTER] FIGURE 7. PASSCODE ENTRY SCREEN FLOW
4. Confirm successful Immobilizer reset and new Master Key registration by starting
the vehicle.
NOTE:
If the vehicle starts, the new Master Key code is registered correctly.
If the vehicle does not start, perform the Immobilizer Reset function again.
5. All previously registered key codes have been erased except the Master Key used
during ªKey Code Reset.º
Register any additional customer keys by using ªKey Registration.º
Each key will start the engine if registered correctly.
Please refer to TSIB No. SS006±99,
ªScantool Immobilizer Key Code Utility,º for
additional detail on this procedure.
2: KEY CODE ERASURE
3: AUTO REG CLOSUREKEY CODE UTILITY
1: KEY REGISTRATION
A
FIGURE 8. KEY REGISTRATION
9: KEY CODE RESET
(See TSIB No. SS006±99) Key Code
Reset
Procedure
(Continued)

Lexus Supports ASE CertificationPage 1 of 14
Title:
DIAGNOSTIC TESTER
IMMOBILIZER FUNCTIONS
Models:
Applicable ES 330, GS 300, GS 430, GX 470,
LS 430, LX 470, RX 330, & SC 430
Technical Service
Information Bulletin
July 6, 2001
SS005-01
TSIB REVISION NOTICE:
August 26, 2005: The model years for each model have been specifically defined
in the ªApplicable Vehiclesº section. The following vehicles have been added to
the ªApplicable Vehiclesº section: ES 330, GS 300, GS 430, and RX 330.
The ªRequired SSTsº section has been updated.
January 9, 2003: GX 470 and LX 470 have been added to Applicable Vehicles.
The ªRequired SSTsº section has been updated to the current version software.
Screen flows revised (screen C and D) in Figures 1 (screen C and D), 2 (screen C),
3 (screen C), 4 (screen C and G), and 9 (screen A).
The information contained in this TSIB supercedes the original SS005±01.
Previous versions of this TSIB should be discarded.
The Diagnostic Tester incorporates support for Immobilizer system service. This bulletin
covers the following Immobilizer functions available using the Diagnostic Tester:
Transponder Key Type
Transponder Code Registration
Transponder Code Erasure
Transponder ECU Reset
Transponder ECU Replacement
Engine ECU Replacement
NOTE:
The available functions and procedures for the models listed in this TSIB differ
slightly from previous models and other Immobilizer systems currently in use on
Lexus vehicles.
OP CODEDESCRIPTIONTIMEOFPT1T2
N/ANot Applicable to Warranty ±±±±
SPECIAL SERVICE TOOLS
Introduction
Warranty
Information

DIAGNOSTIC TESTER IMMOBILIZER FUNCTIONS ± SS005-01 Revised July 6, 2001
Page 2 of 14
MODEL YEARMODELENGINE MODEL
2001 & LaterLS 4303UZ±FE
2002 & LaterSC 4303UZ±FE
2003 & LaterGX 4702UZ±FE2003 & LaterLX 4702UZ±FE
2004 & LaterES 3303MZ±FE2004 & LaterRX 3303MZ±FE
2006GS 300 (w/o Smart Key)3GR±FSE2006GS 430 (w/o Smart Key)3UZ±FE
NOTE:
Refer to TIS (Technical Information System) for the most current applicable
vehicle information.
PREVIOUS PART NUMBERCURRENT PART NUMBERPART NAME
N/AModel SpecificReplacement Transponder Key (Master or Sub)
ITEM
NO.SPECIAL SERVICE TOOLS (SSTs)PART NUMBERQTYDRW**
1
Lexus Diagnostic Tester Kit*
NOTE:
All components from this kit/set are required
12 Megabyte Diagnostic Tester Program Card
(P/N 01002593±005) with version 13.0a Software
(or later) is requiredLEX22003618
2
CAN Interface Module Kit*
NOTE:
All components from this kit/set are required0100274418
* Essential SSTs.
** Refers to drawer number in SST Storage System.
NOTE:
Additional Diagnostic Tester Kits, CAN Interface Modules, Program Cards, or other
SSTs may be ordered by calling SPX/OTC at 1-800-933-8335. Applicable
Vehicles
Parts
Information
Required
SSTs