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1. English Fran ais Espa ol 12 Unit of Measurement Metric is the default measurement unit 1 From the System Setup menu use the SCROLL button to select Unit of Measure and press the ENTER EXIT button System Setup 1 Language 2 Unit of Measure 3 Contrast 4 Exit 2 From the Unit of Measure menu use the SCROLL button to select the desired unit of measurement English E 3 Press the ENTER EXIT button to save your selection and return to the previous menu Contrast Adjustment 1 From the System Setup menu use the SCROLL button to select Contrast and press the ENTER EXIT button System Setup 1 Language 2 Unit of Measure gt 3 Contrast 4 Exit 13 2 From the Contrast menu use the SCROLL button to adjust contrast Contrast 35 NEN hw Use Y to change 3 Press the ENTER EXIT button to save your settings and return to the previous menu Exiting System Setup 1 Use the SCROLL button to select Exit and press the ENTER EXIT button to return to the startup menu System Setup 1 Language 2 Unit of Measure 3 Contrast 4 Exit 3 7 Vehicle Coverage The AutoLink AL309 Professional OBD II EOBD Code Reader Scan Tool is specially designed to work with all OBD Il compliant vehicles including those equipped with the next generation protocol Control Area Network CAN It is required by the Environmental Protection Agency EPA that
2. Malfunction Indicator Light Service Engine Soon Check Engine is a term used for the light on the instrument panel It is to alert the driver and or the repair technician that there is a problem with one or more of vehicle s systems and may cause emissions to exceed federal standards If the MIL illuminates with a steady light it indicates that a problem has been detected and the vehicle should be serviced as soon as possible Under certain conditions the dashboard light will blink or flash This indicates a severe problem and flashing is intended to discourage vehicle operation The vehicle on board diagnostic system can not turn the MIL off until the necessary repairs are completed or the condition no longer exists DTC Diagnostic Trouble Code DTC These codes identify which section of the emission control system has malfunctioned Enabling Criteria Also termed Enabling Conditions They are the vehicle specific events or conditions that must occur within the engine before the various monitors will set or run Some monitors require the vehicle to follow a prescribed drive cycle routine as part of the enabling criteria Drive cycles vary among vehicles and for each monitor in any particular vehicle OBD II Drive Cycle A specific mode of vehicle operation that provides conditions required to set all the readiness monitors applicable to the vehicle to the ready condition The purpose of completing an OBD II drive cycle is
3. 1 3 The DLC connector left can be found in the area of the car interior seen at right black arrow 2 4 OBD II Readiness Monitors An important part of a vehicle s OBD II system are the Readiness Monitors which are indicators used to find out if all of the emissions components have been evaluated by the OBD system They run periodic tests on specific systems and components to ensure that they are performing within allowable limits Currently there are eleven OBD II I M Inspection Maintenance Readiness Monitors defined by the U S Environmental Protection Agency EPA Not all monitors are supported by all vehicles and the exact number of monitors in any vehicle depends on the motor vehicle manufacturer s emissions control strategy Continuous Monitors These individual components are continuously tested by the vehicle s OBD Il system while others are tested only under specific vehicle operating conditions The continuously monitored individual components listed below are always OK ready Once the vehicle is running the OBD II system is continuously checking these individual components monitoring key engine sensors watching for engine misfire and monitoring fuel demands These continuous monitors are 1 Misfire monitoring detects abnormal variations in the crankshaft velocity 2 Fuel System monitors air fuel ratio to ensure maximum fuel efficiency 3 Comprehensive Components CCM monitors indi
4. EXIT to return to the previous menu 4 8 Exiting the OBDII Test 1 To exit the OBDII test use the SCROLL button to select Exit from the Diagnostic Menu and press the ENTER EXIT button Diagnostic Menu 5 View Freeze Frame 6 I M Readiness 7 Vehicle Info 8 Exit 2 A warning message is displayed asking for your confirmation Exit Test Exit OBDII Test Are you sure NO 3 If you do want to exit the OBDII test press the ENTER EXIT button If you do not want to exit use the SCROLL button to select NO and press the ENTER EXIT button to return 27 5 Warranty and Service 5 1 Limited One Year Warranty Autel warrants to its customers that this product will be free from all defects in materials and workmanship for a period of one 1 year from the date of the original purchase subject to the following terms and conditions 1 The sole responsibility of Autel under the Warranty is limited to either the repair or at the option of Autel replacement of the code reader at no charge with Proof of Purchase The sales receipt may be used for this purpose 2 This warranty does not apply to damages caused by improper use accident flood lightning or if the product was altered or repaired by anyone other than the Manufacturer s Service Center 3 Autel shall not be liable for any incidental or consequential damages arising from the use misuse or mounting of the code reader 4 All information in this manua
5. Monitors INC have yet to be run tested Since this is a live screen which continuously updates the vehicle can be driven until the Montiors INC graph is empty of solid blocks For more precise information on which monitors have been tested or not see 4 6 Retrieving I M Readiness Status on page 22 16 If there is more than one control module available the screen below will be displayed offering a choice of control modules For example Engine or Automatic Transmission Control module Control Module 1 3 7E8 Engine 7E9 A T Previous Menu Select 7E8 Engine for OBD ll Testing 7E9 is for Transmission 4 2 Reading Codes 1 Use the SCROLL button to select Read Codes from the Diagnostic Menu and press the ENTER EXIT button Diagnostic Menu 1 System Status 2 Read Codes 3 Erase Codes 4 Live Data diagnostic menu continued Diagnostic Menu View Freeze Frame I M Readiness Vehicle Info f more than one module is detected you will be prompted to select a module before testing e Use the SCROLL button to select a module and press the ENTER EXIT button 17 Control Module Engine Transmission Exit 2 View DTCs and their definitions on screen Pd 1 6 Generic Engine Coolant Temperature Sensor 1 Circuit The control module number sequence of the DTCs total number of codes detected and type of codes Generic or Manufacturer specific Stored or Pending cod
6. fails to communicate with the vehicle s ECU Engine Control Unit a LINKING ERROR message shows up on the display Verify that the ignition is ON Check if the code reader s OBD II connector is securely connected to the vehicle s DLC Verify that the vehicle is OBDII compliant Turn the ignition off and wait for about 10 seconds Turn the ignition back to on and repeat the procedure from step 5 If the LINKING ERROR message does not go away there might be problems communicating with the vehicle Contact your local distributor or the manufacturer s customer service department for assistance 19 6 Once the correct OBD II protocol is detected the Diagnostic Menu will be displayed Diagnostic Menu 1 8 1 System Status 2 Read Codes 3 Erase Codes 4 Live Data 4 1 System Status Diagnostic Menu 1 System Status 2 Read Codes 3 Erase Codes 4 Live Data Press ENTER to select 1 System Status the following screen will be displayed if there is only one control module Press SCROLL to exit System Status and return to the main Diagnostic Menu System Status Codes Found Monitors N A Monitors OK Monitors INC System Status Screen This screen displays the current live conditions of each of the eleven emissions monitors see pg 24 These monitors are continuously updated Monitors N A are those not available on the current vehicle Monitors OK have completed their tests
7. on the code reader 1 Locate Data Link Connector on vehicle 2 Connect the code reader s OBD II plug to the vehicle s Data Link Connector A plastic DLC cover may be found for some vehicles and you need to remove it before plugging in the OBDII cable 3 6 Product Setup The code reader allows you to make the following adjustments and settings 1 Language Selects desired language 11 2 Unit of measure Sets the unit of measure English or Metric 3 Contrast adjustment Adjusts the contrast of the LCD display The Settings will remain until changes to the existing settings are made To enter the setup menu From the second startup screen press the SCROLL button to enter the System Setup menu Follow the instructions to make adjustments and settings as described in the following setup options System Setup GEISER OOOO 4 1 Language 2 Unit of Measure 3 Contrast 4 Exit The number 1 4 to the upper right corner of the screen indicates the total number of items under the menu and the sequence of the currently selected item Language Setup English is the default language 1 From the System Setup menu use the SCROLL button to select Language and press the ENTER EXIT button System Setup 1 Language 2 Unit of Measure 3 Contrast 4 Exit 2 Use the SCROLL button to select the desired language and press the ENTER EXIT button to save your selection and return to the previous menu
8. test 09 Time between voltage transitions in ms OONDOABRWDND 8 Mode 06 Non Continuously Monitored Systems test results There are typically a minimum value a maximum value and a current value for each non continuous monitor This data is optional and it is defined by a given vehicle maker if it s used Mode 07 Request for DTCs pending from Continuously Monitored Systems after a single driving cycle has been performed to determine if repair has fixed a problem This is used by service technicians to verify repair was performed properly and after clearing diagnostic trouble codes Mode 08 This Special Control Mode requests control of the on board system test or component bi directionally where applicable This mode is manufacturer specific Mode 09 Reports vehicle information This information includes vehicle VIN number and calibration information stored in the vehicle Engine Control Units ECUs Table 1 Comparison of AutoLink Tool Capabilities Mode AutoLink AutoLink Pro AL309 AL510 Mode 1 m Mode 2 u u Mode 3 H Mode 4 u Mode 5 Mode 6 E Mode 7 Mode 8 u Mode 9 d With on screen graphing 3 Using the Code Reader 3 1 Tool Description AL309 Professional OBDII Code Reader Scan Tool ENTER SCROLL iy y 1 OBD II CONNECTOR Connects the code reader to the vehicle s Data Link Connector DLC
9. to force the vehicle to run its on board diagnostics Some form of a drive cycle needs to be performed after DTCs have been erased from the PCM s memory or after the battery has been disconnected Running through a vehicle s complete drive cycle will set the readiness monitors so that future faults can be detected Drive cycles vary depending on the vehicle and the monitor that needs to be reset For a vehicle specific drive cycle consult the vehicle s Owner s Manual Freeze Frame Data When an emissions related fault occurs the OBD Il system sets a code and records a snapshot of the vehicle s operating parameters to help identify the problem This set of values is referred to as Freeze Frame Data and may include important engine parameters such as engine RPM vehicle speed air flow engine load fuel pressure fuel trim value engine coolant temperature ignition timing advance or closed loop status 7 2 7 OBD Il Modes of Operation Here is a basic introduction to the OBD II communication protocol Mode byte The first byte in the stream is the mode number There are 9 modes for diagnostic requests so this first byte is from 1 to 9 The first byte in the response data bytes is this same number plus 64 For example a mode 1 request would have the first data byte 1 and the response would have the first data byte 65 Here is a brief description of the modes Mode 01 Identifies the Powertrain information and shows current da
10. 2 LCD DISPLAY Indicates test results 3 ENTER EXIT BUTTON Confirms a selection or action from a menu list or returns to previous menu 4 SCROLL BUTTON Scrolls through menu items It is also used to enter the system setup menu when pressed 5 USB PORT Used to connect tool to computer for updating 10 3 2 Specifications 1 Display Backlit 128 x 64 pixel display Operating Temperature 0 to 60 C 32 to 140 F Storage Temperature 20 to 70 C 4 to 158 F Power 8 to 18 Volts provided via vehicle battery 5 Dimensions Length Width Height 110 3 mm 4 34 69 5 mm 2 74 20 2 mm 0 807 6 0 18Kg 0 39lb GW 0 21Kg 0 46lb YS un 2 3 4 3 3 Accessories Included 1 User s Manual Instructions on tool operations 2 OBDII cable Provides tool power and communicates between tool and vehicle 3 USB update cable Allows easy update via a PC and an internet connection 4 CD in User s manual Contains update software instruction manual in pdf format and a Diagnostic Trouble Code DTC lookup chart 3 4 Navigation Characters Characters used to help navigate the code reader are 1 Indicates current selection 2 Pd Identifies a pending DTC when viewing DTCs 3 Identifies the control module number from which the data is retrieved 3 5 Vehicle Power The power of the code reader is provided via the vehicle Data Link Connector DLC Follow the steps below to turn
11. 3 7 Vehicle Coverage ee Cha eae Abd wate 4 OBD Il Diagnostics iuniore Hs eda Ra near A 4 1 System oad sau sn ehr b dod Wk e tu d Rd e ge 4 2 Reading Codes lu ua p Na caue IAEA 4 3 Erasing Godes secs ea a EE a eb doen 4 4 Live Data see appendix for PIDs and definitions 4 5 Viewing Freeze Frame Data 4 6 Retrieving I M Readiness Status 4 7 Viewing Vehicle Information 2 222 222 eee eee 4 8 Exiting the OBDII Test ose Rem 5 Warranty and Service 5 1 Limited One Year Warranty 5 2 Service Procedures u v pate st wp CER Ede Sens 6 Appendix PID list em mmn RR nen xh nn 1 Safety Precautions and Warnings To prevent personal injury or damage to vehicles and or the code reader read this instruction manual first and observe the following safety precautions at a minimum whenever working on a vehicle Always perform automotive testing in a safe environment Wear safety eye protection that meets ANSI standards Keep clothing hair hands tools test equipment etc away from all moving or hot engine parts Operate the vehicle in a well ventilated work area Exhaust gases are poisonous Put blocks in front of the drive wheels and never leave the vehicle unattended while running tests Use extreme caution when working around the ignition coil distributor ca
12. Autel us Automotive Intelligence TM L Ratan 221 Throttle Pedal Foz sition Sensor 4 Switch A Circuit Low 18 174 10 75 SCROLL y Professional OBD II Code Reader Scan Tool Autol inl USER S MANUAL www Autel us Table of Contents 1 Safety Precautions and Warnings 1 1 Start up Screen 2 General Information nennen nen 2 1 On Board Diagnostics OBD ll 2 2 Diagnostic Trouble Codes DTCs 2 3 Location of the Data Link Connector DLC 2 4 OBD Il Readiness Monitors 0 0 cee eee eee 2 5 OBD II Monitor Readiness 5 2 6 OBD Definitions ee 2 7 OBD Modes of Operation 00000 3 Using the Code Reader 3 1 Tool Description 309 3 2 Specifications ssar ee 3 3 Accessories Included 3 4 Navigation Characters 3 5 Vehicle Power 0 3 6 Product Setup sternere n ERRARE RA E
13. V O2 Sensor Output Voltage B1S1 O2B2S1 V O2 Sensor Output Voltage B2S1 O2B1S2 V O2 Sensor Output Voltage B1S2 O2B2S2 V O2 Sensor Output Voltage B2S2 RUNTM SEC Time Since Engine Start EGR_PTC Commanded EGR EQ RAT11 Equivalence Ratio RAT21 Equivalence Ratio Wide Range O2S B1S1 wide range O2S B281 EQ RAT12 Equivalence Ratio EQ RAT22 Equivalence Ratio Wide Range O2S B1S2 wide range O2S B282 MIL TIME Minute run by Engine While MIL acti EVAP PCT 96 Commanded Evaporative Purge EGR ERR 9 6 EGR Error WARM UPS Warm ups Since DTC Cleared CLR TIME Time since Diagnostic Trouble VPWR V Control Module Voltage Code Clear EVAP VP Pa Evap System Vapor Pressure IAAT F Ambient Air Temperature BARO Kpa Barometric Pressure BARO inHg Barometric Pressure 02S11 mA O2 Sensor Current O2S21 mA O2 Sensor Current wide range O2S B1S1 wide range O2S B2S1 02S12 mA O2 Sensor Current 02S22 mA O2 Sensor Current wide range O2S B1S2 wide range O2S B2S2 CATEMP11 F Catalyst Temperature B1S1 CATEMP12 F Catalyst Temperature B1S2 CATEMP21 F Catalyst Temperature B2S1 CATEMP22 F Catalyst Temperature B2S2 TP 96 Absolute Throttle Position TAC PCT 96 Commanded Throttle Actuator Cntrl R 96 Relative Throttle Position APP D 96 Accelerator Pedal Position D B 96 Absolute Throttle Position B APP 96 Accelerator Pedal Position E TP C 96 Absolute Thr
14. all 1996 and newer vehicles cars and light trucks sold in the United States must be OBD II compliant and this includes all Domestic Asian and European vehicles A small number of 1994 and 1995 model year gasoline vehicles are OBD Il compliant To verify if a 1994 or 1995 vehicle is OBD II compliant check the Vehicle Emissions Control Information VECI Label which is located under the hood or by the radiator of most vehicles If the vehicle is OBD II compliant the label will designate OBD II Certified Additionally government regulations mandate that all OBD Il compliant vehicles must have a common sixteen pin Data Link Connector DLC 14 4 OBD Il Diagnostics When more than one vehicle control module is detected by the scan tool you will be prompted to select the module where the data may be retrieved The most often to be selected are the Powertrain Control Module Engine and Transmission Control Module Transmission CAUTION Don t connect or disconnect any test equipment with the ignition on or with the engine running 1 Turn the engine off 2 Locate the vehicle s 16 pin Data Link Connector DLC 3 Plug the tool s OBDII cable into the vehicle s DLC 4 Turn the ignition on Engine can be off or running 5 Press the ENTER EXIT button to enter the Diagnostic Menu A sequence of messages displaying the OBDII protocols will be observed on the display until the vehicle protocol is detected If the code reader
15. alled OBD Il Under guidelines set forth by the EPA Environmental Protection Agency a standardized protocol was put in place All automobile manufacturers selling cars in the US since 1996 must comply with OBD Il requirements The OBD Il system is designed to monitor emission control systems and key engine components by performing either continuous or periodic tests of specific components and vehicle conditions When a problem is detected the OBD II System turns on an amber warning lamp MIL on the vehicle instrument panel to alert the driver typically by the phrase of Check Engine or Service Engine Soon The system will also store important information about the detected malfunction so that a technician can accurately find and fix the problem Below are three pieces of such valuable information 1 If the Malfunction Indicator Light MIL is commanded on or off 2 Which if any Diagnostic Trouble Codes DTCs are stored 3 Readiness Monitor status 2 2 Diagnostic Trouble Codes DTCs OBD II Diagnostic Trouble Codes are codes that are stored by the on board computer diagnostic system in response to a problem found in the vehicle These codes identify a particular problem area and are intended to provide you with a guide as to where a fault might be occurring within a vehicle OBD Diagnostic Trouble Codes consist of a five digit alphanumeric code The first character a letter identifies which control system sets the cod
16. d data covers and the sequence of the currently displayed data 6 Press the ENTER EXIT button to return to the previous menu 4 7 Viewing Vehicle Information The Vehicle Info function enables retrieval of the Vehicle Identification No VIN Calibration ID s Calibration Verification Nos CVNs and In use Performance Tracking on MY 2000 and newer vehicles that support Mode 9 1 Use the SCROLL button to select Vehicle Info from the Diagnostic Menu and press the ENTER EXIT button 25 Diagnostic Menu 5 View Freeze Frame 6 I M Readiness pP 7 Vehicle Info 8 Exit 2 Wait a few seconds or press the ENTER EXIT button to continue Vehicle Info Turn key on with engine off Press ENTER to con Ifthe vehicle does not support this mode a The selected mode is not sup ported message shows on the display e f more than one module is detected you will be prompted to select a module before testing Control Module Engine Transmission Exit Use the SCROLL button to select a module and press the ENTER EXIT button 3 Wait a few seconds while the tool reads the vehicle information Vehicle Info Reading Info Please Wait 4 From the Vehicle Info menu use the SCROLL button to select an available item to view and press the ENTER EXIT button 26 Vehicle Info Vehicle ID Number Calibration ID Cal Verif Number Exit 2HGES16684H907941 6 Press the ENTER
17. e The remaining four numbers provide additional information on where the DTC originated and the operating conditions that caused it to set Below is an example to illustrate the structure of the digits Systems B Body E gnana l Last two digits identify individual U ei component within the system Code Type Sub systems Generic SAE 1 Fuel and air metering PO 2 Fuel and air metering 3 Ignition system or engine misfire BO 4 Auxiliary emissions controls co 5 Vehicle speed control and idle controls UO 6 Computer output circuits Manufacturer Specific 7 Transmission controls P1 P2 B1 B2 C1 C2 U1 U2 Figure 1 2 Explanation of a diagnostic trouble code 2 3 Location of the Data Link Connector DLC The DLC Data Link Connector or Diagnostic Link Connector is the standardized 16 cavity connector where diagnostic code readers interface with the vehicle s on board computer The DLC is usually located beneath the dashboard within 12 inches of the steering column on either side It is under or around the driver s side for most vehicles If the Data Link Connector is not located under the dashboard a label should be there indicating its location For some Asian and European vehicles the DLC is located behind the ashtray and the ashtray must be removed 4 to access the connector If the DLC cannot be found refer to the vehicle s service manual for the location Figure
18. es will be observed in the upper right hand corner of the display In the above screen shot pending codes are identified by the Pd above the word Generic Stored codes WILL NOT be identified by a combination of letters as pending codes are 3 If more than one DTC is found use the SCROLL button as necessary until all the codes have been displayed f nocodes are detected a No codes are stored in the module message displays on the screen e If retrieved DTCs contain any manufacturer specific or enhanced codes the display indicates Manufacturer specific codes are found Press any key to select vehicle make Use the SCROLL button to select the vehicle under test and press the ENTER EXIT button to view code definition s Vehicle Manufacturer 1 Acura 2 Alfa Romeo 3 Audi VW 4 BMW Ifthe manufacturer of your vehicle is not listed use the UP DOWN scroll button to select Other and press the ENTER button 4 Press ENTER EXIT button to return to previous menu 18 Control Module Engine Transmission Exit 4 3 Erasing Codes CAUTION Though there is no harm in doing so erasing the Diagnostic Trouble Codes will not only erase the codes from the vehicle s on board computer but also Freeze Frame data and manufacturer enhanced data will be erased Freeze Frame data PIDs are information used to help the technician verify the condition at the time a fault is set Further the I M Readiness Monitor S
19. l is based on the latest information available at the time of publication and no warranty can be made for its accuracy or completeness Autel reserves the right to make changes at any time without notice 5 2 Service Procedures e Ifyou have any questions please contact 1 877 AUTELUS or visit our website at www autel us To return the code reader for repair contact 1 877 AUTELUS 28 Appendix Table 2 PID abbreviations and explanations vated DTC CNT Number of DTCs Stored FUELSYS1 Fuel System 1 Status opn clsd loop DTCFRZF DTC Freeze Frame FUELSYS2 Fuel System 2 Status opn clsd loop LOAD PCT Calculated Load Value 96 LOAD ABS Absolute Load Value FRP Kpa Fuel Rail Pressure Kilopascal FRP PSI Fuel Rail Pressure Gauge ETC F Engine Coolant Temperature FLI 96 Fuel Level Input MIL DIST Mi Distance w Mil Activated MAP KPA Intake Manifold Absolute Pressure SHRTFT1 Short Term Fuel Trim bank1 MAP INHg Intake Manifold Absolute Pressure SHRTFT2 96 Short Term Fuel Trim bank2 RPM MIN Engine Rpm LONGFT1 96 Long Term Fuel Trim bank1 MAF G S Mass Air Flow Sensor LONGFT2 96 Long Term Fuel Trim bank2 VSS MPH Vehicle Speed Sensor SPAR ADV Ignition Timing Advance EQ RAT Commanded Equivalence Ratio CLR DIST mi Distance Since DTC Cleared IAT F Intake Air Temperature AIR_STAT Commanded Secondary Air OBDSUP On board Diagnostic System Status Supported 02B1S1
20. ns testing facility The powertrain control module PCM sets a monitor to OK after an appropriate drive cycle has been performed The drive cycle that enables a monitor and sets readiness codes to OK varies for each individual monitor Once a monitor is set as it will remain in this state A number of factors including erasing of diagnostic trouble codes DTCs with a code reader or a disconnected battery can result in Readiness Monitors being set to INC incomplete Since the three continuous monitors are constantly evaluating they will be reported as OK all of the time As long as there are no DTCs stored in memory the vehicle is running in accordance with the OBD Il guidelines If testing of a particular supported non continuous monitor has not been completed or not tested the monitor status will be reported as INC incomplete In order for the OBD II monitor system to become ready the vehicle should be driven under a variety of normal operating conditions These operating conditions may include a mix of highway driving and stop and go city type driving and atleast one overnight off period For specific information on getting your vehicle s OBD Il monitor system ready please consult your vehicle owner s manual 6 2 6 OBD II Definitions Powertrain Control Module PCM OBD terminology for the on board computer that controls the engine and the drivetrain Malfunction Indicator Light MIL
21. ottle Position C APP F 96 Accelerator Pedal Position F B Bank S Sensor The location of Cylinder 1 designates the side of Bank 1 on the engine block 29 30 Autel us Automotive Intelligence Autel us Autel Intelligent Technology Co Ltd www autel us All Rights Reserved V 1 17 2009
22. p ignition wires and spark plugs These components create hazardous voltages when the engine is running Put the transmission in PARK for automatic transmission or NEUTRAL for manual transmission and make sure the parking brake is engaged Keep a fire extinguisher suitable for gasoline chemical electrical fires nearby Don t connect or disconnect any test equipment while the ignition is on or the engine is running Keep the code reader dry clean free from oil water or grease Use a mild detergent on a clean cloth to clean the outside of the code reader when necessary 1 1 Start up Screen This initial start up screen appears momentarily when the tool is first plugged in The lower identification line reveals the version of the software Use this version number to verify that the tool has the most up to date software AutoLink AL309 V 1 17 Figure 1 1 The AL 309 initial start up screen with software version 2 General Information 2 1 On Board Diagnostics OBD II The first generation of On Board Diagnostics called OBD was developed by the California Air Resources Board CARB and implemented in 1982 to monitor some of the emission control components on vehicles As technology evolved and the desire to improve the On Board Diagnostic system increased a new generation of On Board Diagnostic system was developed This second generation of On Board Diagnostic regulations which was implemented in 1996 is c
23. ta available to the scan tool This data includes DTCs set status of on board tests and vehicle data such as engine RPM temperatures ignition advance speed air flow rates and closed loop status for fuel system Mode 02 Displays Freeze Frame data Same data as in mode 1 but it was captured and stored when a malfunction occurred and a DTC was set Some of the Parameter Identifications PIDs for mode one are not implemented in this mode Mode 03 Displays the type of powertrain or emission related DTCs stored by a 5 digit code identifying the faults There may be more than one response message if there are more trouble codes than will fit in the data bytes of the response message or if more than one ECU computer is responding Mode 04 Used to clear DTCs and Freeze Frame data This clears all diagnostic trouble codes that may be set including freeze frame data and readiness monitors Mode 05 Oxygen Sensor Test Results This mode displays the oxygen sensor monitor screen and the test results gathered about the oxygen sensor There are nine numbers available for diagnostics 01 Rich to Lean O2 sensor threshold voltage 02 Lean to Rich O2 sensor threshold voltage 03 Low sensor voltage threshold for switch time measurement 04 High sensor voltage threshold for switch time measurement 05 Rich to Lean switch time in ms 06 Lean to Rich switch time in ms 07 Minimum voltage for test 08 Maximum voltage for
24. tatus for all vehicle monitors is reset to INC incomplete status e This function is performed with Key On Engine Off KOEO Do not start the engine 1 If you decide to erase the DTCs use the SCROLL button to select Erase Codes from the Diagnostics Menu and press the ENTER EXIT button Diagnostic Menu 1 System Status 2 Read Codes 3 Erase Codes 4 Live Data diagnostic menu continued Diagnostic Menu View Freeze Frame I M Readiness Vehicle Info 19 2 A warning message comes up asking for your confirmation Erase Codes EZZZZZZZZZZZZZzzzzz Erase trouble codes Are you sure YES NO 3 If you want to proceed with erasing the codes press the ENTER EXIT button to erase e Ifthe codes are cleared successfully an Erase Done message shows up Ifthe codes are not cleared then an Erase Failure Turn Key on with Engine off message displays 4 Wait a few seconds or press any key to return to the Diagnostic Menu f you do not wish to proceed and erase the codes then press the SCROLL button to select NO and press the ENTER EXIT button A Command Canceled message shows up Press any key or wait a few seconds to return to the Diagnostic Menu 4 4 Live Data see appendix for PIDs and definitions Viewing Data The View Data function allows viewing of Parameter Identification Data PIDs from the vehicle s computer module s One of the most important benefits of
25. the AL309 is the tool s ability to view live data Live data includes values such as temperature rpm speed etc Also live data includes information such as fuel system status that is produced by vehicle inputs and outputs sensors and actuators The AL 309 allows you to see the same data used by the vehicle s computer to make calculations necessary for conducting corrections and adjustments to particular vehicle systems PIDs have specific operating characteristics that identify them The AL 309 provides PIDs for each module being tested 20 1 To view Live Data use the scroll button to select Live Data from the Diagnostic Menu and press the ENTER button Diagnostic Menu 1 System Status 2 Read Codes 3 Erase Codes 4 Live Data 2 Wait a few moments while the scan tool accumulates the PID registry Reading PID 01 Please Wait 3 Use the SCROLL button to view the PID groups 4 per screen DTC_CNI FUELSYS1 FUELSYS2 LOAD PCT 96 4 5 Viewing Freeze Frame Data Freeze Frame Data allows the technician to view the vehicle s operating parameters at the moment a DTC Diagnostic Trouble Code is detected For example the parameters may include engine speed RPM engine coolant temperature ETC or vehicle speed sensor VSS etc This information will aid the technician by allowing the parameters to be duplicated for diagnostic and repair purposes 1 To view Freeze Frame Data use the SCROLL but
26. ton to select View Freeze Frame from the Diagnostic Menu and press the ENTER EXIT button 21 Diagnostic Menu 5 View Freeze Frame 6 I M Readiness 7 Vehicle Info 8 Exit f more than one module is detected you will be prompted to select a module before testing Control Module Engine Transmission Exit e Use the SCROLL button to select a module and press the ENTER EXIT button 2 Wait a few seconds while the code reader accumulates the Freeze Frame PID registry Reading PID 01 Please Wait 3 The retrieved information covers more than one screen Use the SCROLL button as necessary until all data have been viewed View Freeze Frame DTCFRZF FUELSYS1 FUELSYS2 LOAD PCT 96 The number 1 4 in the upper right corner indicates the total number of screens that will display the retrieved freeze frame data In this case we are on page one of four 22 e If there is no freeze frame data available an advisory message No Freeze Frame Data Stored shows on the display 4 Press ENTER EXIT to return to the Diagnostic Menu 4 6 Retrieving I M Readiness Status The I M Readiness function is used to check individual Emission System readiness tests on OBDII compliant vehicles It is an excellent function to use prior to having a vehicle inspected for compliance to a state emissions program CAUTION by clearing trouble codes you also clear the readiness status for the individ
27. ual emission system readiness tests In order to reset these monitors the vehicle must be driven through a complete drive cycle with no trouble codes in memory Times for reset vary depending on vehicle Some of the latest vehicle models may support two types of I M Readiness tests A Since DTCs Cleared indicates status of the monitors since the DTCs are erased B This Drive Cycle indicates status of the monitors since the beginning of current drive cycle An I M Readiness Status result of INC does not necessarily indicate that the vehicle being tested will fail the state I M inspection For some states one or more such monitors may be allowed to be Not Ready to pass the emissions inspection OK Indicates that a particular monitor being checked has completed its diagnostic testing INC Indicates that the testing of a particular monitor being tested is incomplete Additional driving is needed N A The monitor is not supported on that vehicle 1 Use the SCROLL button to select I M Readiness from the Diagnostic Menu and press the ENTER EXIT button Diagnostic Menu gt View Freeze Frame I M Readiness 5 6 7 Vehicle Info 8 Exit 23 e f more than one module is detected you will be prompted to select a module before testing Control Module Engine Transmission Exit Use the SCROLL button to select a module and then press the ENTER EXIT button 2 Wait a fe
28. vidual sensors and actuators Non Continuous Monitors Unlike the continuous monitors many emissions and engine system components use multiple sensors to ensure the integrity of each system listed below These system monitors require the vehicle to be operated under specific conditions engine speed coolant temperature duration of 5 drive etc before the monitor is ready to be tested These monitors are termed non continuous monitors and are listed below 1 EGR System Exhaust Gas Recirculation for reducing greenhouse gases O2 Sensors Used to monitor and adjust air fuel mixture Catalyst Used to reduce exhaust emissions Evaporative System Used to monitor the integrity of fuel tank system O2 Sensor Heater Brings 02 sensor to correct operating temperature Secondary Air Used to reduce exhaust emissions Heated Catalyst Brings catalyst to correct operating temperature O N OO 5 WO ND A C System monitors system for freon leaks 2 5 OBD Monitor Readiness Status OBD II systems must indicate whether or not the vehicle s Powertrain Control Module PCM monitoring has completed testing on each emission component Components that have been OBD II tested will be reported as OK The purpose of recording readiness status is to allow inspectors to determine if the vehicle s OBD II system has tested all the emissions systems This is good to know before bringing your vehicle to a state emissio
29. w seconds while the code reader displays the states of the readiness monitors I M Readiness Reading PID Please Wait 3 If the vehicle supports both types of tests then both types are displayed for selection I M Readiness 7 Since DTCs Cleared This Drive Cycle Exit 4 Use the SCROLL button to view the status of the MIL light ON or OFF and the following monitors these monitors are for emissions sytems e Misfire monitor Misfire monitor Fuel System Mon Fuel System Monitor Comp Component Comprehensive Components Monitor EGR Exhaust Gas Recirculation System Monitor e Oxygen Sens Mon O2 Sensors Monitor 24 Catalyst Mon Catalyst Monitor EVAP System Mon Evaporative System Monitor e Oxygen Sens Htr O2 Sensor Heater Monitor e Sec Air System Secondary Air Monitor A Htd Catalyst Heated Catalyst Monitor AIC Refrig Mon A C system Monitor Since DTCs Cleared 1 3 MIL Status OFF Misfire Monitor Fuel System Mon Comp Component 5 If the vehicle supports a readiness test of This Drive Cycle the following screen will be displayed This Drive Cycle MIL Status Misfire Monitor Fuel System Mon Comp Component The number 1 3 to the upper right corner of the screen indicates the total number of screens the retrieve

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