FAILURE TO INITIALIZE CAN INTERFACE MODULE ± SS001-05 Revised March 11, 2005
Page 3 of 6
Failure to initialize CAN±based communications between the Diagnostic Tester and
on±board vehicle controllers can be caused by the following issues:
The 14/26 Pin DLC cable is damaged, causing an open communication circuit.
The DLC cable is damaged, causing an open communication circuit.
The CAN Interface Module is damaged.
The vehicle's CAN Communication System has a fault, requiring further
vehicle diagnostics.
NOTE:
The Diagnostic Tester may operate properly in other modes such as OBD/MOBD and
CARB OBDII with a damaged cable or CAN module.
NOTE:
To lengthen the Diagnostic Tester cable life, do not wrap the cable around the tester, or
hold the tester only by the cable.J1962 OBD2±II
Cable (CAN DLC)
Only (P/N 02003180)
CAN Interface
Module Only
14/26 Pin
DLC Cable
(P/N 02001637)
J1962 OBD2±II Cable &
CAN Interface Module
(P/N 01002744) Figure 1
Diagnostic
Procedure
Lexus Supports ASE CertificationPage 1 of 3
Title:
ECM RESET MEMORY FUNCTION
Models:
'98 ± '05 Applicable Models
Technical Service
Information Bulletin
May 5, 2003
TC002-03
TSIB REVISION NOTICE:
December 20, 2004: Applicable Vehicles section has been updated and modified,
2004 and 2005 model years added; and Reset Procedure 2 has been revised.
Previous versions of this TSIB should be discarded.
Whenever an automatic transmission is replaced, overhauled or individual components
are replaced, use this procedure to erase Engine Control Module (ECM, SAE term:
Powertrain Control Module, PCM) ªLearned Valuesº and minimize subsequent
performance concerns.
CAUTION:
Failure to follow the following procedure may lengthen the time to readjust the
ªLearned Values,º potentially resulting in performance concerns.
Refer to Reset Procedure 1 for the following vehicles with Electronically Controlled
Automatic Transmissions:
1999 ± 2003 model year ES 300 and RX 300 vehicles.
2003 ± 2005 model year GX 470 vehicles.
2004 ± 2005 model year RX 330 vehicles.
Refer to Reset Procedure 2 for the following vehicles with Electronically Controlled
Automatic Transmissions:
1998 ± 2005 model year GS 430/400/300, LS 430/400, LX 470, and
SC 430/400/300 vehicles.
2001 ± 2005 model year IS 300 vehicles.
OP CODEDESCRIPTIONTIMEOFPT1T2
N/ANot Applicable to Warranty±±±±
TRANSMISSION & CLUTCH
Introduction
Applicable
Vehicles
Warranty
Information
