U381 LIVE DATA Scanner Auto Code Reader OBD2 user manual
Contents
1. Display the live data Vehicle Diagnosis le Trouble codes 2JErase Codes R32 Live Data 409 Freeze Frame va IAH Status Bb Vehicle Infor 2 All live data are reported on the display a m pa m e DataSbrearm l DataStrear Fuel 5451 ST FIRM ik Chus ing Fuel SY52 LT FIRMI 42 CLs ing COOLAHTE F 2 i HAF Cine Auto Diagnostic tools http www autotool mall com Uatastrean ENGINECRPM IRTCRS UEH SPEEDCHPH gt 7 MAF lb mind IGN ADUCDES ABSLT TPSex W251 O25 12 0BD2 STAT MUP UBL 4 5 Freeze Frame 1 when an emission related fault occurs certain vehicle conditions are recorded by the on board computer this information is referred to as a freeze 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 Wekhicle Oladnosis Trouble codes 23 Erase Codes Sa Lire Data Roo Freeze Frame D iM Status 6 Vehicle Infor 3 All Freeze Frame data are reported on the display Freeze Frame TROUB CODE PHESE Fuel SYS HL not reads CL Fuel Sraz MA Auto Diagnostic tools http www autotool mall com 4 6 IM Status 1 select I M Status and press ENTER Vehicle 0ia agnos i i Trouble codes 2 Erase Codes JI Live Data 4a Freeze Frame Fos IZM Status 50 Wehicle Infor 2 using the UP DOWN arrows to view2. car and the scan tool Battery compartment 3 2 Product Specifications e Display Backlit LCD 128 64 pixel display e Operating Temperature 20 to 50 78 to 122T e Internal Power 9v Cell e External Power 10 0 to 15 5 vols provided via vehicle battery e Dimensions 195mm Length 7 76 81mm Width 3 16 32mm Height 1 27 OBDII connector 1500mm 59 99 3 3 Product Features Works on all 1996 and newer cars amp light trucks that are OBD II compliant including the VPW PWM ISO KWP 2000 protocols Reads and clears generic and manufacturer specific Diagnostic Trouble Codes DTCs Reading Freeze Frame Data Testing I M Reading Status Reading vehicle info Rescanning Data 4 Operating Instructions 4 1 start Memoscan 1 Turn the ignition off 2 Locate the 16 pin Data Link Connector DTC and plug into the cable connector to the DLC 3 Wait for the LCD display MEMNOSCAH Lrrhiseeen Leases Hilt 111 6 Su gee Ue TPL El hao 5 Turn the ignition on Needn t start the engine and press any key Jne moment Fr ogress Detecting Protocol EWP ZB Auto Diagnostic tools http www autotool mall com 4 2 Read codes 1 the trouble codes function read DTCs from the vehicle s computer modules there tow types of codes Malfunction Indicator Lamp MIL Codes and pending codes MIL Codes These codes cause the computer to illuminate the MIL when an emission related or driveability fault occurs The MIL is also known a
3. 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 Auto Diagnostic tools http www autotool mall com 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 2003 Other vehicles If your vehicle does not fall into any of the above categories look under the hood and try to locate a label Fig 1 that explicitly states that the vehicle was designed to comply with OBD II legislation VEHICLE EMISSION CONTROL INFORMATION THIS VEHICLE CONFORMS TO U S EPA AND STATE OF CALIFORNIA REGULATIONS APPLICABLE TO TUNE UP CONDITIONS NORMAL OPERATING ENGINE TEMPERATURE ACCESSORIES OFF COOLING FAN OFF TRANSMISSION IN NEUTRAL TLEV INTERMEDIATE ENGINE FAMILY EFN2 6YBT2BA 0BD I A DISPLACEMENT 2 8L CERTIFIED motor co inc 1997 MODEL YEAR NEW TLEV PASSENGER CARS EXHAUST EMISSIONS STANDARD STANDARD CATEGORY IN USE SPARK PLUG EFN2_8YBT2BA TYPE NGE BPRE 11 eae inn CATALYST OI REFER TO SERVICE MANUAL FOR ADDITIONAL INFORMATION CERTIFICATION TLEW Fig 1 Vehicle Emission Control Information Label In this case OBD II is used as a general term and can mean any of the following OBD II California ARB EOBD European OB
4. model year 2003 There are two types of diagnostic link connectors DLCs defined by SAE J 1962 Type A and Type 2 Auto Diagnostic tools http www autotool mall com B shown in Figures 2 and 3 respectively The main difference between the two connectors is in the shape of the alignment tab Location According to J1962 Type A DLC shall be located in the passenger or driver s compartment in the area bounded by the driver s end of the instrument panel to 300 mm 1 ft beyond the vehicle centerline attached to the instrument panel and easy to access from the driver s seat The preferred location is between the steering column and the vehicle centerline CRB EEE CO 3 i 9 i 16 a AABE t10 max d D 10 5 40 15 Ss i an 24 0 16 deo 4 DOCES T ES ET 0 3 socess area ee Fig 1 J1962 Vehicle Connector Type A courtesy of SAE Type B DLC shall be located in the passenger or driver s compartment in the area bounded by the driver s end of the instrument panel including the outer side and an imagined line 750 mm 2 5 ft beyond the vehicle centerline It shall be attached to the instrument panel and easy to access from the driver s seat or from the Co drivers seat or from the outside The vehicle connector shall be mounted to facilitate mating and unmating Fig 2 J1962 Vehicle Connector Type B courtesy of SAE As a general rule you can determine which protocol your vehicle is using by l
5. status of the following monitors I M Status HIL Status Misfire Monitor Fuel System Mon Come Component Use aye to scroll Abbreviated Name Misfire Monitor FUEL System Mon Com Component Catalyst Mon Htd Catalyst Evap System Mon Sec Air System A C Refrig Mon OXYGEN Sens Mon Oxygen Sens HTR EGR System Mon Expanded Name Misfire monitor Fuel System Monitor Comprehensive Components Monitor Catalyst Monitor Heated Catalyst Monitor Evaporative System Monitor Secondary Air System Monitor Air Conditioning Refrigerant Monitor Oxygen Sensor Monitor Oxygen Heater Sensor Monitor Exhaust Gas Recirculation System Monitor Auto Diagnostic tools http www autotool mall com 4 7 Vehicle info 1 Select Vehicle info from the main menu press the ENTER button Wek ic le la Trouble codes 23 Erase Codes 3a Live Uata 40 Freeze Frame 2 14M Status Fe2Uehicle Infor 2 Use the SCROLL button to view additional digits of the 17 digit string 3 If the vehicle does not support this mode a message will show the selected mode is not supported 4 8 Rescan Data Select Rescan Data from the main Menu and press the ENTER button U381 will Retest you car Wehicle Diagnosis FrikFescan Data 4 9 Battery 1 Open the battery compartment and install the battery 2 When U381 connect with the car the batter power on automatically after completing the testing pull out the OBDII con
6. Auto Diagnostic tools http www autotool mall com 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 L1OmegOhms 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 generation It is a set of documents issued by SAE
7. D J OBD Japanese OBD You may also consult your vehicle s owner s manual and perhaps contact your local dealer However be aware of the fact that many dealers do not know the difference between OBD and OBD II If the vehicle is not OBD II compliant you cannot use a generic OBD II scan tool such as U480 to obtain diagnostic information from your vehicle But my car has the 16 pin OBD connector shouldn t it be OBD II compliant No not necessarily A lot of European and Asian manufacturers equipped their vehicles with D shaped 16 pin connectors long before they began installing OBD II systems on those vehicles One curious thing to note here is the fact that most non EOBD compliant vehicles had a DLC that does not fully conform to SAE J1979 Compare figures 2 and 3 and notice the ears on the non EOBD compliant Ford Focus Fig 2 Ford Escort DLC Fig 3 J 1962 Vehicle Connector Type A courtesy of DigitalFriction UK courtesy of SAE 2 3 Which OBD II protocol is supported by my vehicle All cars and light trucks built for sale in the United States after 1996 are required to be OBD II compliant The European Union OBD legislation is somewhat more complicated An OBD II compliant vehicle can use any of the five communication protocols J1850 PWM J1850 VPW 1S09141 2 1S014230 4 also known as Keyword Protocol 2000 and more recently IS015765 4 SAE J2480 a flavor of CAN US car manufacturers were not allowed to use CAN until
8. 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 boa liagnostic 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 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 EPA s website 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 J anuary 2001 for all types vehicles of category M1 except vehicles the maximum mass of which exceeds 2500 kg and vehicles of category N1 class 1 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
9. nector cable from your car the U381 still power on U381 keep the trouble codes You can read it anytime anywhere Press Enter key to turn it off press 6 seconds 10 Auto Diagnostic tools http www autotool mall com 6 1 One Year Warranty 1 U381 warrants to its customers that this product will be free of all defects in materials and workmanship under normal use and maintenance for a period of one 1 year from the date of the original purchase 2 This warranty does not apply to damages caused by improper use accident abuse lightning or 6 2 Service Procedures If you have any questions please contact our local store distributor or the Service Center 11
10. ooking at the pinout of the DLC Pin 2 Pin 7 Pin10 Pin15 Fig 3 Auto Diagnostic tools http www autotool mall com The following table explains how to determine the protocol Pin 2 Pin 6 m 7 Pin 10 Pin 14 Pin 15 Standard must have must have 11850 PWM must have 1850 VPW must have may have 1 09141 14230 must have must have 1S 015765 CAN Pin 15 also called the L line is optional in newer vehicles that use the 1SO9141 2 or 1SO14230 4 protocols In addition to pins 2 7 10 and 15 the connector should have pins 4 Chassis Ground 5 Signal Ground and 16 Battery Positive This means that PWM The connector must have pins 2 4 5 10 and 16 VPW The connector must have pins 2 4 5 and 16 but not 10 ISO The connector must have pins 4 5 7 and 16 Pin 15 may or may not be present CAN The connector must have pins 4 5 6 14 and 16 3 Product Information 3 1 Tool Description T UIFTECH H gt Vie a 3 AA D TYP a i o8B0nuNSEOBOI 6 LCD Display 128 64 pixel display with contrast adjustment Backlit 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 4 Auto Diagnostic tools http www autotool mall com LEFT RI GHT arrows Select responses and moves cursor OBDII connector cable connect
11. s the service Engine Soon or Check Engine Lamp MIL codes remain in the vehicle s memory until the fault is repaired 2 Pending Codes These codes are also referred as continuous monitor and maturing codes An intermittent fault will cause the computer to store a code in memory If the fault does not occur within 40 warm up cycles the code will be cleared from memory If the fault occurs a specific number of times the code will mature into a DTC and the MIL will turn on 3 Select Trouble codes and press ENTER The U381 retrives the DTCs stored in the vehicle s computer modules Wehicle Diagnosis Flo Trouble codes i Erase Codes da Lire Data 4i Freeze Frame lt 3 iH Status 5 Hehigcle Infor A if there are no trouble codes it will display NO CODES ARE FOUND A If there are any trouble codes all information will be reported on the display oa Total 16 Fault Codes amp rc Ferd Codes H3 i Press EHT to view trouble codes 4 3 Erase codes Select Erase Codes and press the ENTER key Auto Diagnostic tools http www autotool mall com Vehicle Diagnosis le Trouble codes 2i Erase Codes Sa Lire Data i Freeze Frame 221M Status 6B Vehicle Infor a message appears asking if you are sure Press the LEFT RIGHT arrow keys to move the brackets to the desired response and press ENTER Erase Codes Erase trouble codes Hre sou sure yas HO 4 4 Live data 1
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