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Laser 5091 Code Reader User’s Guide

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Laser 5091 Code Reader User’s Guide

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Figure 2-1 Front View 

A.

OBD II Cable

 - provides communication for vehicle DLC.

B.

LCD Display 

- shows menus, test results and operation tips.

C.

Green LED Display

 - indicates the engine system is working normally (all monitors on the

vehicles are active and performing their diagnostic testing), and no DTCs are found.

D.

Yellow LED Display 

- shows the tool finds a possible problem. Pending DTCs exist or/and

some of the vehicle’s emission monitors have not run their diagnostic testing.

E

. Red LED Display 

- indicates there are some problems in one or more of the vehicle’s systems.

In this case, the MIL lamp on the instrument panel is on.

F.

UP Key 

- quick access to the Read Codes function before going to diagnostic menu and moves

selection up. When looking up DTC, it is used to change value of selected character.

G.

DOWN Key

- Quick access to the Clear Codes function before going to diagnostic menu and

moves selection down. When looking up DTC, it is used to change value of selected character.

H.

LEFT SCROLL KEY

 - goes to previous character when looking up DTCs. Scrolls back and

forth through codes found and through different screens of data. Also it is used to make

selection of PIDs when viewing custom PID list, and to view PID graphs.

I.

RIGHT SCROLL KEY

 - goes to next character when looking up DTCs. Scrolls back and forth

through codes found and through different screens of data. Also it is used to cancel all

selections of PIDs when viewing custom PID list.

J.

One Click I/M Readiness Key 

- quick checks state emissions readiness and drive cycle

verification.

K.

BACK Key 

- cancels an action and returns to previous screen or level.

L.

ENTER Key

 - confirms an action or movement and moves to next level.

M.

Power Switch

 - reboot the code reader

N.

HELP Key

 - accesses to the Help function and it is also used to update the code reader when

long pressed.

O.

USB Port

 – provides a USB connection between the code reader and PC or laptop.

2.2 Accessory Descriptions 

This section lists the accessories that go with the code reader. If you find any of the following 

items missing from your package, contact your local dealer for assistance. 

2.1 Code Reader Descriptions 

1 User’s Guide  - provides operation instructions for the usage of the code reader. 
2 USB Cable  - provides connection between the code reader and a computer to upgrade the tool. 
3 Software  CD – includes the user’s manual, NT Wonder update software and update files. 

2.3 Technical Specifications 

Display : 2.8" TFT colour display 
Working Temperature : 0 to 60ºC  (32 to 140ºF) 
Storage Temperature : -20 to 70ºC  (-4 to 158ºF) 
Power Supply : 8-18V vehicle power 
Supported Protocols:

 

J1859-41.6, J1850-10.4, ISO9141, KWP2000 (ISO 14230), and CAN 

(Control Area Network ISO 11898) 

Dimensions ( L*W*H): 145*94*32mm 
Weight : 0.6kg 

3 Getting Started 

This section describes how to provide power to the code reader, provides brief introductions of 

applications loaded on the code reader and display screen layout and illustrates how to input text 

and numbers with the code reader.     

3.1 Providing Power to Code reader 

Before using the code reader, make sure to provide power to the code reader. 
The unit operates on any of the following sources: 

12-volt vehicle power

USB connection to personal computer.

3.1.1 Connecting to Vehicle Power 

The code reader normally powers on whenever it is connected to the data link connector (DLC). 
To connect to vehicle power: 

1. Locate the data link connector (DLC). The DLC is generally located under the dash on the

driver side of the vehicle. 

2. Connect the code reader with the DLC.

3. Switch the ignition key to the ON position.

4. The code reader automatically boots up.

IMPORTANT 

Never try to provide power for the code reader from USB connection when the code reader is 

communicating with a vehicle. 

3.1.2 Connecting to Personal Computer with USB Cable 

The code reader also receives power through the USB port when it is connected to a PC for 

updating software and transferring saved files. 
To connect to PC: 

1. Insert the small end of the USB cable to the USB port at the right side of the code reader and

the large end to a computer. 

2. Press the power switch of the code reader to power it on.

3.2 Application Overview 

When the code reader boots up, the Home screen opens. This screen shows all applications 

loaded on the unit.   
Following applications are preloaded into the code reader: 

Summary of Contents for 5091

Page 1: ...ader The CAN OBDII EOBD Code Reader is an innovative and affordable solution specially designed for the owner to get easy and quick access to engine problems on all OBDII compliant petrol vehicles 200...

Page 2: ...n 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...

Page 3: ...hen System Setup is selected a menu that lists all available options displays Menu options include Languages Configure monitors Unit of measure Key Beep Set Diag Beep Set Tool self test 1 2 2 Arrow Ic...

Page 4: ...y of the following items missing from your package contact your local dealer for assistance 2 1 Code Reader Descriptions 1 User s Guide provides operation instructions for the usage of the code reader...

Page 5: ...e applicable to all vehicles Available options may vary by the year model and make of the test vehicle A The selected mode is not supported message displays if the option is not applicable to the vehi...

Page 6: ...automatically according to the VIN 4 2 Erase Codes Erase Codes menu lets you to clear all current and stored DTCs from the control module Also it erases all temporary ECU information including freeze...

Page 7: ...supported PIDs of the vehicle being tested To view all live PID data 1 Use the UP DOWN key to highlight Live Data from Diagnostic Menu and press the ENTER key Figure 4 8 Sample Diagnostic Menu Screen...

Page 8: ...o record PIDs to help diagnose intermittent drivability problems that can t be determined by any other method Menu options typically include Complete Data Custom Data Unit of measure Please refer to C...

Page 9: ...dicates that a recording currently exists in this memory location If an area with an asterisk was picked a message prompting to erase data displays Figure 4 21 Sample Erase Recording Screen 5 If the r...

Page 10: ...ple Record Data Screen 2 Use the UP DOWN key to select a memory area that is marked with an asterisk and press the ENTER to confirm Figure 4 27 Sample Record Data Screen 3 Press the UP DOWN key to vie...

Page 11: ...ported by all vehicles To retrieve I M Readiness Status data by one click I M readiness key 1 Press the One Click I M Readiness Key on the keypad and the following screen displays Figure 4 30 Sample D...

Page 12: ...ts The O2 Monitor Test function is used to retrieve completed O2 sensors monitor test results The O2 Monitor Test is not an on demand test O2 sensors are not tested when selected via the menu but test...

Page 13: ...ssion related powertrain components and systems that are and are not continuously monitored It is vehicle manufacturer who is responsible for assigning test and component IDs NOTE Test results do not...

Page 14: ...f available tests displays Figure 4 43 Sample Diagnostic Menu Screen 2 Use the UP DOWN key to highlight a system or component press the ENTER key to start test and the code reader displays the message...

Page 15: ...0 Modules Present The code reader identifies module IDs and communication protocols for OBD2 modules in the vehicle To view module IDs and communication types 1 Use the UP DOWN key to highlight Module...

Page 16: ...e 6 1 Sample Home Screen 2 A screen with a list of test records displays If no data is recorded the message No Data available is displayed Figure 6 2 Sample Playback Screen 3 Use the UP DOWN key to hi...

Page 17: ...ntinuous Monitors Misfire Fuel System Comprehensive Component Non Continuous Monitors NOTE Non continuous monitors are different for spark ignition cars petrol gasoline engines and compression ignitio...

Page 18: ...to confirm Figure 7 7 Sample Configure Monitors Display 2 The custom monitors selection screen displays and Use the RIGHT key to select or deselect a monitor or press the LEFT key to deselect all the...

Page 19: ...rompting to reset factory default displays Answer Yes to confirm the request or answer No to abort and return Figure7 11 Sample Reset Factory Default Screen 7 3 Unit of measure Unit of measure opens a...

Page 20: ...est 7 6 1 Display Test Selecting Display Test option opens a screen that allows you to check the functionality of the display To test the display 1 Use the UP DOWN key to highlight Display Test from S...

Page 21: ...7 22 Sample Tool Self test Screen 2 Scroll with the up and down arrow keys to select the desired LED lamps to check The LED should turn on off according to the selected commands Figure 7 23 Sample LE...

Page 22: ...ow instructions on computer screen to install the tool and driver 3 Double click the desktop icon to launch the application 4 Connect 5091 to computer with the USB cable provided 5 Press and hold the...

Page 23: ...or to the edit box Figure 9 7 Sample Printing Data Screen 7 With the printer correctly connected use the Print key to print the testing data Press the BACK key to return to home screen 9 3 Searching D...

Page 24: ...016 The Tool Connection Limited All rights reserved Disclaimer The information specifications and illustrations in this manual are based on the latest information available at the time of printing The...

Page 25: ...www lasertools co uk...

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