Mazda immobiliser CT-L1007 2005.pdf

TRAINING MANUAL

Immobilizer System

CT-L1007

No part of this hardcopy may be reproduced in any form without prior permission of

Mazda Motor Europe GmbH.

The illustrations, technical information, data and descriptive text in this issue, to the best

of our knowledge, were correct at the time of going to print.

No liability can be accepted for any inaccuracies or omissions in this publication,

although every possible care has been taken to make it as complete and accurate as

possible.

Mazda Motor Europe GmbH

Training Services

Immobilizer System

Table of Contents

Introduction .......................................................................................00-1

Overview ............................................................................................01-1

Fundamentals ........................................................................................... 01-1

Immobilizer Systems Used By Mazda ......................................................... 01-2

Mazda Immobilizer System ....................................................................... 01-2

Passive Anti-Theft System ........................................................................ 01-3

I-PATS ............................................................................................... 01-3

D-PATS .............................................................................................. 01-4

Components ......................................................................................02-1

Overview ................................................................................................... 02-1

Transponder Key ...................................................................................... 02-2

Coil Antenna ............................................................................................. 02-4

Security Light ............................................................................................ 02-5

Powertrain Control Module........................................................................ 02-6

Immobilizer Module ................................................................................... 02-7

Immobilizer Module Variants .............................................................. 02-8

Instrument Cluster..................................................................................... 02-9

Immobilizer Function of the IC .......................................................... 02-10

Remote Keyless Entry Module................................................................ 02-11

DDS1 Module.......................................................................................... 02-12

Diesel Smart Module............................................................................... 02-12

Variants ..............................................................................................03-1

General Features ...................................................................................... 03-1

Precautions ............................................................................................... 03-2

Mazda Immobilizer System (from year 2000 onwards) .............................. 03-3

Design and Operation ............................................................................... 03-3

Key ID-Number Verification Process .................................................. 03-5

MIS Service Functions .............................................................................. 03-6

MIS Service Function Table................................................................ 03-6

Key Programming without Code Word................................................ 03-7

Key Programming with Code Word..................................................... 03-8

Code Word Input Procedure ............................................................... 03-9

Code Word Request ......................................................................... 03-10

Diagnosis ..................................................................................................... 03-11

On-Board Diagnostic System.................................................................. 03-11

Security Light .................................................................................... 03-11

DTCs Displayed by the Security Light .............................................. 03-12

DTCs Displayed by WDS.................................................................. 03-13

Additional Troubleshooting Tips.............................................................. 03-14

Troubleshooting with Oscilloscope Signals ............................................. 03-15

Transponder Signal .......................................................................... 03-15

Communication Signal between Immobilizer Module and PCM ....... 03-17

Curriculum Training

Table of Contents

Immobilizer System

PATS............................................................................................................. 03-18

Design and Operation ............................................................................. 03-18

Integrated PATS ............................................................................... 03-18

Distributed PATS .............................................................................. 03-20

Key ID-Number Verification Process....................................................... 03-23

I-PATS .............................................................................................. 03-23

D-PATS ............................................................................................ 03-24

PATS Service Functions ......................................................................... 03-26

I-PATS Service Functions Table....................................................... 03-26

D-PATS Service Functions Table ..................................................... 03-27

Key Programming without WDS ....................................................... 03-29

Key Deletion without WDS................................................................ 03-30

PATS Functions with WDS ..................................................................... 03-31

Security Access ................................................................................ 03-31

PATS Functions Menu ............................................................................ 03-35

Items of the PATS Function Menu .......................................................... 03-37

Parameter Reset............................................................................... 03-38

Parameter Reset Procedure ............................................................. 03-38

Unlimited Key Mode.......................................................................... 03-43

Diagnosis ..................................................................................................... 03-44

On-Board Diagnostic System.................................................................. 03-44

Security Light .................................................................................... 03-45

Diagnostic Trouble Codes ................................................................ 03-46

DTC Table ........................................................................................ 03-47

List of Abbreviations.........................................................................04-1

Curriculum Training

Immobilizer System

Introduction

• Vehicle insurance companies demanded in the 90’s an effective technical protection

against car theft to be developed by the car manufactures. A primary requirement of the

insurance companies was that the anti-theft system should activate itself automatically.

Therefore, the car manufacturers developed the self-activating immobilizer system as an

electronic anti-theft device. It prevents an engine start with an ignition key unknown to

the immobilizer system. This means that the immobilizer function is only deactivated

when the ignition is switched on with a registered key and activated automatically when

the ignition is switched off.

• Since 1995, all Mazda passenger vehicles sold in Europe are equipped with an

immobilizer system that meets these requirements. In the meantime, the technical

progress has produced more sophisticated systems improving the protection against

vehicle theft.

• The skills needed to diagnose and repair immobilizer system related concerns require

fundamental system knowledge, because a malfunction can lead to a non-starting

engine due to reasons, which might be not directly evident. This course is a theoretical

and practical guide to gain general and Mazda specific knowledge about the various

immobilizer systems, their components, function and diagnosis.

• Any person associated with the diagnosis and repair of immobilizer systems used on

Mazda vehicles should have the knowledge to deliver a “Fix it right first time” repair.

Therefore, the Mazda Masters Development and Qualification path provides the

following training course required for the service on immobilizer systems:

– Immobilizer System CT-L1007

• This training module contains training material about supplemental restraint systems and

immobilizer systems as two separate topics. They are compiled for consecutive use in

one training course but they can just as well be conducted as two separate courses.

• The ranking of this course within the Mazda Masters educational system is Level 1 -

'Mazda Technician'. It is focused on mechanics that have already experience in

maintaining and repairing Mazda vehicles and have previously attended the courses

“New-To-Mazda” CT-L1001 and “Basic Electrics” CT-L1004.

Curriculum Training

00-1

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