2005 LEXUS ES300 Repair Manual

FAILURE TO INITIALIZE CAN INTERFACE MODULE ± SS001-05 Revised March 11, 2005
Page 4 of 6
To determine the cause of communication error, perform the following steps:
1. Using the Diagnostic Tester, perform the CAN MODULE VERSION self test.
Select DIAGNOSIS/SETUP/SELF TEST and perform the following screen flow.
NOTE:
Before performing test, confirm that the Diagnostic Tester, 14/26 Pin DLC cable, and
CAN Interface Module are all securely connected.
SELF TEST MENU
1: DISPLAY/LEDs
2: KEYBOARD
3: SOUND
4: MEMORYINITIALIZING CAN
INTERFACE
0: CAN MODULE VER5: DATA LINK
6: AUTOPROBE
7: RS232
8: INST PORT
9: SYSTEM INFOPLEASE WAIT.
CAN VIM did not
respond
Press [ENTER] Toyota CAN VIM 1.0PRESS [EXIT]
Figure 2
OK NG
SELF TEST Result:
NG OKSELF TEST FAILED: CAN VIM did
not respond. Go to step 2.
SELF TEST PASSED: Go to step 3.
This response verifies the CAN module and the 14/26 Pin DLC cable are OK.
Diagnostic
Procedure
(Continued)

FAILURE TO INITIALIZE CAN INTERFACE MODULE ± SS001-05 Revised March 11, 2005
Page 5 of 6
2. Perform the Data Link Self Test (Figure 3).
5: DATA LINK
6: AUTOPROBE
7: RS2325: DATA LINK
SELF TEST MENU
1: DISPLAY/LEDs
2: KEYBOARD
3: SOUND
4: MEMORYDATA LINK SELF±TEST
8: INST PORT
9: SYSTEM INFO
The Data Link Self Test
Adapter (P/N 02001607)
is included in the Lexus
Diagnostic Tool Set
(P/N LEX220036)
Install Data Link
Self±Test Adapter
to the end of the
Data Link Cable
DATA LINK SELF±TEST
Press [EXIT]**FAILED**PRESS [EXIT]
Press [ENTER]
DATA LINK SELF±TEST
Now testing the
data link.
Press [EXIT] to QUITTo test cable
integrity, please
flex cable
repeatedly.
(15±20 seconds)
DATA LINK SELF±TEST
PASSED
FAILED
SDL 1
Check Self±Test
Adapter Installation
Figure 3
NG OK
DATA LINK SELF TEST Result:
NG OK
DATA LINK TEST FAILED:
Replace 14/26 Pin DLC cable
(P/N 02001637).
DATA LINK TEST PASSED: Replace CAN Interface Module (P/N 01002744).
Diagnostic
Procedure
(Continued)

FAILURE TO INITIALIZE CAN INTERFACE MODULE ± SS001-05 Revised March 11, 2005
Page 6 of 6
3. Inspect the J1962 OBD2±II cable (CAN DLC).
A. Disconnect the CAN Interface Module from the J1962 OBD2±II cable (CAN DLC).
A small Phillips screwdriver is required to separate the CAN Interface Module
from the J1962 OBD2±II cable.
B. Test the J1962 OBD2±II cable (CAN DLC) for continuity.
CABLE TEST
J1962 OBD2±II Cable
(P/N 02003180)
Pin 5
to
Pin 15
Pin 15
to
Pin 22
Figure 4
J1962 OBD2±II Cable (CAN DLC) Test Result:
OK
(More than 6 W)
Replace the J1962 OBD2±II cable
(CAN DLC, P/N 02003180).NG
Suspect vehicle side problem.
Refer to the Technical Information System (TIS): applicable model year Repair
Manual:
Diagnostics: CAN Communication System: Problem Symptoms Table:
Check CAN Bus Line.
NOTE:
If the Diagnostic Tester successfully communicates with another CAN±equipped
vehicle, suspect vehicle side problem. Diagnostic
Procedure
(Continued)

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)