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1.Safety Precautions and Warnings
To Prevent personal injury or damage to vehicles or the Car Tool, read this instruction
manual first and observe the following safety precautions.
1.When an engine is running, it produces carbon monoxide, a toxic and poisonous gas. To prevent
serious injury or death from carbon monoxide poisoning ,operate the vehicle ONLY in a
well-ventilated area.
2.To protect your eyes from propelled objects as well as hot or caustic liquids, always wear approved
safety eye protection.
3.
Keep cigarettes, sparks, open flame and other sources of ignition away from vehicle. Keep a dry
chemical (Class B) fire extinguisher rated for gasoline, chemical and electrical fires in work area.
4.Connecting or disconnecting test equipment when the ignition is ON can damage test equipment
and the ignition OFF before connecting the Code Reader to or disconnecting the Code Reader from
the vehicle's Data Link Connector(DLC).
5.To prevent damage to the on-board computer when taking vehicle electrical measurements.
always use a digital multi meter with at least 10megOhms of impedance.
6.Keep the car Tool clean, dry and free from oil, water and grease. Use a mild detergent on a clean
cloth to clean the outside of the Scan Tool, when necessary.
2. General OBD-II Information
2.1 What is OBD-II?
OBD-II stands for On-Board Diagnostics, II generation. It is a set of documents issued by SAE and
ISO, which describe the interchange of digital information between on-board emission-related
Electronic Control Units (ECUs) of road vehicles and an OBD-II scan tool. OBD-II also commonly
refers to the physical on-board diagnostic system of a vehicle, which consists of an ECU (or
multiple ECUs), Malfunction Indicator Light(MIL), Diagnostic Link Connector (DLC), and the wiring
that connect the different elements.
2.2 How do I know whether my car is OBD-II compliant?
There are several ways.
1996 or newer model year vehicle sold in the United States
United States legislation requires all cars and light trucks model year (MY) 1996 and newer to be
OBD-II compliant. More information is available on the
2001 or newer model year gasoline vehicle sold in the European Union
Commission Directive 70/220/EEC, Annex I:
Vehicles with positive-ignition engines
With effect from 1 January 2000 for new types and from 1 January 2001 for all types, vehicles of
category M1, except vehicles the maximum mass of which exceeds 2500 kg, and vehicles of
category N1 class I, must be fitted with an on-board diagnostic (OBD) system for emission control
in accordance with Annex XI. [...]
Note that here "European Union" means countries which were members of the EU in 2000.
2004 or newer model year diesel vehicle sold in the European Union
Commission Directive 70/220/EEC, Annex I:
Vehicles with compression-ignition engines
Vehicles of category M1, except
- vehicles designed to carry more than six occupants including the driver,
- vehicles whose maximum mass exceeds 2500 kg,
from 1 January 2003 for new types and from 1 January 2004 for all types, must be fitted with an
- 1 -
1
- 2 -
EPA's
website.
UIF Technology Co., LTD .

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Summary of Contents for UIF Technology Car Tool

  • Page 1 10megOhms of impedance. 6.Keep the car Tool clean, dry and free from oil, water and grease. Use a mild detergent on a clean cloth to clean the outside of the Scan Tool, when necessary.
  • Page 2 ISO15765-4/SAE J2480 (a "flavor" of CAN). US car manufacturers were not allowed to use CAN until model year 2003. There are two types of diagnostic link connectors (DLCs) defined by SAE J1962 - Type A and Type UIF Technology Co., LTD .
  • Page 3 Fig.2 - J1962 Vehicle Connector, Type B (courtesy of SAE) As a general rule, you can determine which protocol your vehicle is using by looking at the pinout of the DLC: Fig. 3 UIF Technology Co., LTD .
  • Page 4: Product Information

    ①.LCD Display , 128*64 pixel display with contrast adjustment, Backlit ②.enter key selects displayed ③.exit key go back to the previous screens ④.up/down arrows-moves the selection pointer and scrolls up or down. ⑤.LEFT/RIGHT arrows-Select responses and moves cursor. UIF Technology Co., LTD .
  • Page 5: Product Specifications

    2. Locate the 16-pin Data Link Connector (DTC), and plug into the cable connector to the DLC. 3. Wait for the LCD display 5. Turn the ignition on. Needn’t start the engine . and press any key UIF Technology Co., LTD .
  • Page 6 ▲ if there are no trouble codes, it will display “NO CODES ARE FOUND” ▲ If there are any trouble codes, all information will be reported on the display 4.3 Erase codes Select Erase Codes and press the ENTER key. UIF Technology Co., LTD .
  • Page 7 Press the LEFT/RIGHT arrow keys to move the brackets to the desired response and press ENTER 4.4 Live data 1.Display the live data, 2. All live data are reported on the display UIF Technology Co., LTD .
  • Page 8 Frame data.this data can be overwriten by faults with a higher priority. 2. if codes were erased, the freeze frame data may not be stored in vehicle memory. Select Freeze Frame from the menu and press ENTER 3.All Freeze Frame data are reported on the display UIF Technology Co., LTD .
  • Page 9 -Sec Air System Secondary Air System Monitor -A/C Refrig Mon Air Conditioning Refrigerant Monitor -OXYGEN Sens Mon Oxygen Sensor Monitor Oxygen Sens HTR Oxygen Heater Sensor Monitor -EGR System Mon Exhaust Gas Recirculation System Monitor UIF Technology Co., LTD .
  • Page 10 2. When U581 connect with the car, the batter power on automatically, after completing the testing, pull out OBDII connector cable from your car, the U581 still power on, U581 keep the trouble codes. You UIF Technology Co., LTD .
  • Page 11: Warranty And Servicing

    2. This warranty does not apply to damages caused by improper use, accident, abuse, lightning , or if the product was altered or repaired by anyone other than the Manufacturer’s Service Center. 5.2 Service Procedures If you have any questions, please contact our local store, distributor or the Service Center UIF Technology Co., LTD .

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