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Laser 5091 Code Reader User’s Guide Laser 5091 Code Reader User’s Guide

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Instructions

5091

Laser 5091

OBDII/EOBD Code Reader (00-)

The CAN OBDII/EOBD Code Reader is an innovative and affordable

solution specially designed for DIYers to get easy and quick access

to engine problems on all OBDII compliant vehicles sold worldwide

since 2000.

Laser 5091 Code Reader User’s Guide Laser 5091 Code Reader User’s GuideLaser 5091 Code Reader User’s Guide_

Trademarks

Laser Tools®is trademark of The Tool Connection Limited.

All other marks are trademarks or registered trademarks of their respective

holders.

Disclaimer

The information, speciﬁcations and illustrations in this manual are based on the

latest information available at the time of printing. The Tool Connection reserves

the right to make changes at any time without notice.

Visit our website at:

www.lasertools.co.uk

For Technical Assistance email us at

[email protected]

Table of Contents

1. One-Year Limited Warranty...........................................................4

2. Safety Information.........................................................................5

2.1 Conventions Used ...............................................................5

2.2 Important Safety Instructions ..............................................6

3. Using this manual.......................................................................... 7

4. Introduction...................................................................................9

4.1 About OBDII/EOBD..............................................................9

4.2 About the Code Reader.....................................................12

5. Data Review ................................................................................27

6. OBDII/EOBD Diagnosis...............................................................29

6.1 Reading DTCs.................................................................... 32

6.2 Clearing DTCs.................................................................... 33

6.3 Live Datastream.................................................................35

6.4 Viewing Freeze Data ..........................................................44

6.5 Reading I/M Readiness Status Data..................................45

6.6 02 Monitor Test..................................................................48

6.7 On-board Monitor Test...................................................... 50

6.8 Component Test................................................................ 53

6.9 Reading Vehicle Information..............................................54

6.10 Modules Present................................................................56

7. Updating and Printing .................................................................57

7.1 Updating the Code Reader................................................57

7.2 Printing...............................................................................59

7.3 Battery Replacement ......................................................... 61

8. Troubleshooting ..........................................................................62

8.1 Error Message ................................................................... 62

8.2 Code Reader Does Not Power Up ....................................62

Laser 5091 Code Reader User’s Guide Laser 5091 Code Reader User’s Guide

1. One-Year Limited Warranty

Subject to the conditions of this limited warranty, The Tool Connection Limited

(TC) warrants its customer that this product is free of defects in material and

workmanship at the time of its original purchase for a subsequent period of one

(1) year.

In the event this product fails to operate under normal use, during the warranty

period, due to defects in materials and workmanship, TC will, at its sole option,

either repair or replace the product in accordance with the terms and conditions

stipulated herein.

The Tool Connection Limited

Kineton Road

Southam

Warwickshire

CV47 0DR

Tel: (0) 1926 815000

Fax: (0) 1926 815888

2. Safety Information

We provide safety messages to help prevent personal injury and equipment

damage. Below are signal words we used to indicate the hazard level in a

condition.

For your safety, and to prevent damage to the equipment and vehicles, read this

manual thoroughly before operating your code reader. The safety messages

presented below and throughout this user’s manual are reminders to the

operator to exercise extreme care when using this device. Always refer to and

follow safety messages and test procedures provided by the manufacturer of the

vehicle or equipment being tested. Read, understand and follow all safety

messages and instructions in this manual.

2.1 Conventions Used

No. Signal Word Hazard Level

1DANGER Indicates an imminently hazardous situation

which, if not avoided, will result in death or

serious injury to the operator or to bystanders.

2WARNING Indicates a potentially hazardous situation which,

if not avoided, could result in death or serious

injury to the operator or to bystanders.

Indicates a potentially hazardous situation which,

if not avoided, may result in moderate or minor

injury to the operator or to bystanders.

CAUTION

Laser 5091 Code Reader User’s Guide Laser 5091 Code Reader User’s Guide

And always use your code reader as described in the user’s manual, and follow

all safety messages.

Do not route the test cable in a manner that would interfere with

driving controls.

Do not exceed voltage limits between inputs speciﬁed in this user’s

manual.

Always wear ANSI approved goggles to protect your eyes from

propelled objects as well as hot or caustic liquids.

Fuel, oil vapors, hot steam, hot toxic exhaust gases, acid, refrigerant

and other debris produced by a malfunction engine can cause serious injury or

death. Do not use code reader in areas where explosive vapor may collect, such

as in below-ground pits, conﬁned areas, or areas that are less than 18 inches (45

cm) above the ﬂoor.

Do not smoke, strike a match, or cause a spark near the vehicle

while testing and keep all sparks, heated items and open ﬂames away from the

battery and fuel / fuel vapors as they are highly ﬂammable.

Keep a dry chemical ﬁre extinguisher suitable for gasoline, chemical

and electrical ﬁres in work area.

Always be aware of rotating parts that move at high speed when an

engine is running and keep a safe distance from these parts as well as other

potentially moving objects to avoid serious injury.

Do not touch engine components that get very hot when an engine

is running to avoid severe burns.

Block drive wheels before testing with engine running. Put the

transmission in park (for automatic transmission) or neutral (for manual

transmission). And never leave a running engine unattended.

Do not wear jewelry or loose ﬁtting clothing when working on

engine.

Make sure to turn off ignition before connecting or disconnecting

the code reader.

2.2 Important Safety Instructions

We provide instructions for the usage of your code reader in this manual.

Below is a list of conventions we used in the manual.

Safety Information

See Safety Information on page 5.

Bold Text

Bold emphasis is used in procedures to highlight selectable items such as

buttons and menu options.

Example:

Use the UP/DOWN key to select the desired measurement unit.

Bold-Italic Text

Bold-italic text is used in the procedures to highlight the menus on the code

reader screen.

Example:

Use the UP/DOWN key to select Language from System Setup screen.

Symbols and Icons

√ Check Note

Additional information about the subject in the preceding paragraph is

introduced by a √ Check Note.

Example:

√ The code reader is set to display English menus by default.

• Solid Spot

Operation tips and lists that apply to speciﬁc tool are introduced by a solid spot •.

Example:

System Setup allows you to:

• Select menu languages.

• Change measurement unit.

• Adjust display contrast.

3. Using This Manual

WARNING

CAUTION

WARNING

Laser 5091 Code Reader User’s Guide Laser 5091 Code Reader User’s Guide

indicates a situation which, if not avoided, may

result in damage to the test equipment or vehicle.

Example:

Do not soak keypad as water might ﬁnd its way

into the code reader.

provides helpful information such as additional

explanations, tips, and comments.

Example:

Not all data are supported by all vehicles.

Screens

Some help messages, information, and data displayed on the code reader are

also shown in graphical text boxes. The screens presented are examples only

and actual test screens may vary for each vehicle being tested.

Example:

Arrow Icon

An arrow icon indicates a procedure.

Example:

To change menu language:

1. Use the UP/DOWN key to select Language from System Setup screen.

2. Press the ENTER key to conﬁrm.

The code reader is specially designed to support all 9 OBDII service modes,

including live data, O2 sensor test and more, on OBDII/EOBD compliant cars,

SUVs, light-duty truck and mini-vans sold worldwide since 1996.

What is OBD?

The ﬁrst generation of On-Board Diagnostics or OBD I was introduced in early

1980’s to control engine functions and diagnose engine problems by vehicle

manufacturers. As the OBDI lacked standardization of protocols and interface, it

allowed different interpretations among vehicle manufacturers.

OBDII, the second generation On-Board Diagnostics, improved in both

capability and standardization, is a system developed in mid 1990’s by the

Society Automotive Engineers (SAE) to standardize automotive electronic

diagnosis. EOBD is European version of OBDII required in Europe since 2001.

The OBDII standard speciﬁes:

• A generic diagnostic port (Data Link Connector) and its pinout;

• The protocols and the messaging format;

• A standard list of vehicle parameters identiﬁcations;

• A standard list of diagnostic trouble codes (DTCs);

4. Introduction

4.1 About OBDII/EOBD

IMPORTANT

NOTE

Laser 5091 Code Reader User’s Guide Laser 5091 Code Reader User’s Guide

Data Link Connector

The Data Link Connector (DLC) is a standard 16-pin interface located under the

dashboard on the driver’s side of the passenger compartment. If the DLC is not

located under the dashboard as stated, a decal describing its location should be

attached to the dashboard in the area where the DLC should have been located.

On some Asian and European vehicles the DLC is located behind the

“ashtray”, which must be removed to access it, or on the far left corner of the

dash. If the DLC cannot be found, consultthe vehicle’s service manual for the

location.

Diagnostic Trouble Codes (DTCs)

Diagnostic Trouble Codes (DTCs) are faults stored by vehicle computers when

problems that affect engine performance and emissions are detected. DTCs are

used to help identify the cause of a trouble or troubles with a vehicle, and

determine the fault location(s).

DTCs consist of a ﬁve-digit alphanumeric code. Please see below for the DTCs

format and code types.

1110

NOTE

Laser 5091 Code Reader User’s Guide Laser 5091 Code Reader User’s Guide

Code Reader Controls

A. OBD II Cable - provides communication for vehicle DLC.

B. LCD Display - shows menus, test results and operation tips.

C. UP Key - moves selection up. Scrolls back and forth through codes

retrieved. Press it from home screen to enter the DTC

update mode when doing upgrading.

D. DOWN Key - moves selection down. Scrolls back and forth through codes

retrieved. Press it from home screen to do language

selection.

E. HELP Key - provides a USB connection for the PC or laptop.

F. BACK Key - provides a USB connection for the PC or laptop.

4.2 About the Code Reader

1312

G. ENTER KEY - conﬁrms an action or movement and moves to

next level. Starts recording live data under manual

trigger mode. Selects or deselects PID when

viewing or recording custom PID(s). Hold the

ENTER key for 2 seconds to view or record

customized PID list. When doing playback of live

data, use this key to scroll back and forth through

frames of data. Use the key to view PID graphs

when the Gicon appears. Also, press it to go to

next screen of information when code deﬁnition

covers more than 1 screen.

H. Power Switch - Turns on/off the scan tool when powered by cell

battery; resets the code reader when powered by

vehicle battery.

I. USB Port - provides a USB connection between the code

reader and PC or laptop.

J. Rear Decal - provides serial number of code reader.

K. Battery Compartment - installs cell battery to provide power to the code

reader when disconnected from vehicle.

Do not use solvents such as alcohol to clean keypad or

display. Use a mild nonabrasive detergent and a soft cotton

cloth.

Do not soak keypad as water might ﬁnd its way into the code

reader.

IMPORTANT

Laser 5091 Code Reader User’s Guide Laser 5091 Code Reader User’s Guide

1514

Accessories Included

No. Signal Word Hazard Level

1 User’s Manual Provides operation instructions for the usage of

code reader.

2 USB Cable Provides USB communication for updates of

software and DTCs.

3 OBDII Cable Provides connection for vehicle’s DLC.

4 Cell Battery Provides power to the code reader when

disconnected from vehicle.

Speciﬁcations

No. Item Speciﬁcation

1 Display Backlit, 160 x 105 pixel display with contrast

adjustment.

2Working

Temperature 0 to 60°C (32 to 140°F)

3Storage

Temperature -20 to 70°C (-4 to 158°F)

4 External Power 8-18 Volts powered by vehicle battery

5 Internal Power 9v

6 Dimensions (L*W*H*) 185mm*85mm*35mm (7.28*3.35*1.38in)

7 Weight 1kg

Display Indicators

Below is a list indictors used to help navigate through menus.

No. Indicator Description

1 $ Indicates the control unit number.

2Indicates more than one screen of information is

available.

3 ? Indicates help information available.

4 G Indicates graphic viewing of PID is available.

5 Indicates internal battery volume.

Power

The code reader is powered up by vehicle battery when diagnosing; and it is

powered up by internal battery when off-vehicle reviewing test results and printing.

√ Refer to Code Reader Does Not Power Up on page 62 of

Troubleshooting if there are problems.

Internal Battery

To power on the code reader by internal battery:

1. Install 9V battery.

2. Press the POWER key to turn on the code reader.

√ When the icon appears, refer to Battery Replacement in on page 61 of

Troubleshooting to replace the battery.

√ When powered from the battery, the code reader disables the display’s

backlighting and turns off automatically after a period of inactivity.

If the code reader will not be used for an extended period of

time, remove the battery to prevent battery leakage from

damaging the battery compartment.

Do not use a Lithium (Li) battery.

IMPORTANT

Laser 5091 Code Reader User’s Guide Laser 5091 Code Reader User’s Guide

1716

Changing Language

√ The code reader is set to display English menus by default.

To change system language:

1. Use the UP/DOWN key to pick Language from System Setup screen.

2. Press the ENTER key to conﬁrm.

3. Use the UP/DOWN key to select desired language.

4. Press the ENTER key to save language setting and return.

External Battery

To power on the code reader by vehicle battery

1. Locate the diagnostic interface on vehicle.

2. Plug in the code reader’s OBDII connector to the DLC.

A plastic DLC cover may be found on some vehicles.

Remove the cover before plugging the OBD2 cable.

System Setup

System Setup allows you to:

• Select menu languages.

• Change measurement unit.

• Adjust display contrast.

• Change automatic power-off time.

• Turn on/off beeper.

• Check LCD display and operation of keypad.

√ System Setup settings remain until change to the existing setups are made.

To do system setup:

1. Press the BACK key to enter System Setup from home screen or use

the UP/DOWN key to select System Setup from Main Menu screen.

√ Follow on-screen instructions to program the code reader to meet your

speciﬁc needs.

NOTE

Laser 5091 Code Reader User’s Guide Laser 5091 Code Reader User’s Guide

1918

Adjusting Display Contrast

To adjust display contrast:

1. Use the SCROLL key to select Contrast from System Setup screen.

2. Press the ENTER key to conﬁrm.

3. Use the UP/DOWN key to adjust contrast.

4. Press the ENTER key to save contrast setting and return.

Changing Measurement Unit

√ Metric is the default measurement unit.

To change measurement unit:

1. Use the UP/DOWN key to select Measurement Unit from System

Setup screen.

2. Press the ENTER key to conﬁrm.

3. Use the UP/DOWN key to select desired measurement unit.

4. Press the ENTER key to save measurement setting and return.

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