2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) DIAGNOSIS AND REPAIR,MAINTENANCE, Technical Service Bulletin # CAN-TSB2099L Date: 050314

Canada - Engine Control - Failure Initialize CAN Interface

Bulletin

TSB2099

Issue Date

March 14, 2005

Title

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 199

FAILURE TO INITIALIZE CAN INTERFACE MODULE

Component

GENERAL INFORMATION

Models

'04 And Onward, All CAN Equipped Models

INTRODUCTION:

If the Diagnostic Tester fails to initialize CAN-based communication with on-board vehicle controllers, a damaged cable or inoperative CAN

Interface Module may be at fault. This bulletin provides test procedures to check the integrity of the Diagnostic Tester cables and the CAN Interface

Module.

APPLICABLE VEHICLES:

- 2004 and onward model year CAN-equipped vehicles.

REQUIRED SSTs:

WARRANTY INFORMATION:

DIAGNOSTIC PROCEDURE:

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.

2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) Page 200

NOTE:

The Diagnostic Tester may operate properly in other modes such as OBD/MOBD and CARB OBDII with damaged cable or CAN module.

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:

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NOTE:

Before performing test, confirm the Diagnostic Tester, 14/26 Pin DLC Cable, and CAN Interface Module all securely connected.

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2. Perform the Data Link Self Test (figure 3):

3. Inspect the J1962 OBDII Cable (CAN DLC).

A. Disconnect the CAN Interface Module from the J1962 OBDII Cable (CAN DLC). A small Phillips screwdriver is required to separate the

CAN Interface Module from the J1962 OBDII Cable.

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