G-scan2 User Manual 3.2. Recorded Data AA-3-2. Recorded Data G-scan2 Basic Functions Recorded Data Function Saved screen captures, flight record data and the oscilloscope waveforms can be reloaded for review by selecting this function. Select “Recorded Data” from the main menu. Data Type Selecting the Recorded Data function from the main menu is followed by the list of the files contained in the G-scan2 SD card. The types of the recorded data files are indicated in the right of the screen.
G-scan2 User Manual Image Viewer Select the Image type file and select “Run” button in the bottom. Then the image viewer is activated, and you can view the next or previous image contained in the SD card by selecting the right and left arrow head marks.
G-scan2 User Manual Flight Record Review 1. Text mode Select the Sensor type file and press the “Run” button. Then the Flight Record function is activated and you can replay the recorded live data parameters in numeric or graphical form as shown below. Control button Description Replay the recorded data forward and backward Switch to the graphical mode.
G-scan2 User Manual 2. Graphic Mode Control button Description Forward and reverse replay control using these buttons is also possible in the graphical mode Graph size can be controlled by selecting the pixel per frame (1px -> 5px -> 15px). The more pixels per frame make the graphs bigger and vice versa. Number of graphs that appear on the screen also can be selected among 1, 2, 3 or 4 line(s).
G-scan2 User Manual Oscilloscope Waveform Replay Select the Scope type file and press the “Run” button to replay the recorded oscilloscope waveform data.
G-scan2 User Manual 3.3. OBD-II AA-3-3. OBD-II G-scan2 Basic Functions OBD-II Function OBD-II function is used for diagnostics of OBD-II or EOBD complaint vehicle’s emission-related powertrain control system supporting the industrial standard protocols including ISO9141-2, ISO14230-4 , SAE J1850 VPW, SAE J1850 PWM and ISO15765-4（CAN） Make the connection with the car using the main DLC cable, and select the “OBD-II” icon.
G-scan2 User Manual OBD-II On Board Diagnostics was designed and mandated in order to monitor malfunction or failure of the car’s emission control system. By illuminating the warning lamp on the dashboard, the OBD system alerts the driver in case the emission control system is failing or inefficient, allows the ordinary mechanic may immediately comprehend what is the problem by use of a proper diagnostic device, consequently contributes to minimizing the chance of emitting excessive exhaust gas.
G-scan2 User Manual C0*** and B0*** codes are also defined as the Generic Codes. However the actual list of the standard codes for these Body and Chassis control systems has not been released to public yet. Therefore, it is assumed that there are no known Generic Codes for these systems. The codes that [Generic OBD2 / EOBD] function can access are just the Generic Codes.
G-scan2 User Manual P0BXX ~ P0FXX Reserved (for Standard Codes) P1XXX Manufacturer (Enhanced) Code P20XX Fuel and Air metering and Auxiliary Emission Controls P21XX ~ P22XX Fuel and Air metering P23XX Ignition System or Misfire P24XX Auxiliary Emission Controls P25XX Vehicle Speed, Idle Control and Auxiliary Inputs P26XX Computer and Auxiliary Outputs P27XX ~ P29XX Transmission P30XX ~ P33XX Manufacturer (Enhanced) Code P34XX Cylinder Deactivation P35XX ~ P39XX Reserved (for Standard
G-scan2 User Manual CAUTION When a function was selected from the OBD-II menu, the result may come up with “NOT SUPPORTED” reading as illustrated below, which means the selected function is not supported by the vehicle that is being tested. In order to view the Current Data in graphical form, select the “Graph” button in the bottom. And the “Text” button will switch to the numeric mode again.
G-scan2 User Manual 3.4. Vehicle Diagnosis AA-3-4. Vehicle Diagnosis G-scan2 Basic Functions Manufacturer Specific Diagnossis Non-standard manufacturer specific diagnostic functions such as DTC Analysis, Data Analysis, Actuation Test, Special Functions including Reset or Coding are provided when “Vehicle Diagnosis” is selected from the main menu.
G-scan2 User Manual Diagnostic Functions With the exceptions, following diagnostic functions are provided for the majority of the brands that Gscan2 supports. For more details, please refer to the coverage list which is published when the new update is released regularly. 1. DTC Analysis 1.1. DTC Reading and Erasing The basic diagnostic function used for reading and erasing the DTC (diagnostic trouble code) from the electronic control system.
G-scan2 User Manual Select the “Erase” button to remove the DTC from the control unit’s memory. 1.2. Freeze Frame Data To aid the mechanic’s better understanding on what had happened to the vehicle’s control system before and after the DTC was logged, live Data parameters are recorded when the critical diagnostic trouble code was detected and logged to the control unit’s memory. Select the “Freeze Frame” button to list the freeze frame data recorded in the control unit’s memory.
G-scan2 User Manual 1.3. Manual reading and erasing for old vehicles Reading and erasing the codes from the old vehicles of 1980’s and early 1990’s using Gscan2 or the other diagnostic tools may not be possible as the old control systems do not support bi-directional communication. Only manual reading and erasing are possible for those vehicles. 1.4. Advanced DTC functions for new vehicles The late model vehicles provide diversified information through the DTC Analysis function.
G-scan2 User Manual Some ABS systems support Test Mode that lists all the DTC’s reserved for the system and conducts the calibration function at the same time. Each and every manufacturer supports different extra DTC Analysis functions in their own ways, therefore make sure to be acquainted with the different procedures and conditions before executing the manufacturer specific DTC Analysis functions. 2. Data Analysis 2.1.
G-scan2 User Manual 2.2. Details Select “Details” button in the bottom to switch the data display to a full page “Detail” mode, where up to 10 parameters are listed with more space to accommodate the longer parameter names. Select “Normal” button to return to the normal mode that shows up to 20 parameters in the split screen. 2.3. Function A. Select “Function” button to add, remove or reset min/max information.
G-scan2 User Manual 2.4. Old vehicles Data Analysis for the old vehicles of 1980’s and early 1990’s using G-scan2 or the other diagnostic tools may not be possible as the old control systems do not support bi-directional communication. 2.5. Graph Mode Text based data parameters are switched to the graphical display mode when the “Graph” button in the bottom is selected. A.
G-scan2 User Manual B. Line 3 Controls the total number of parameters that are graphed on the screen - changes 4 > 3 > 2 > 1 as the button is selected. C. Back Returns to the text based numeric data display mode. D. Record Initiates the Flight Record function – please refer to the next paragraph.
G-scan2 User Manual 2.6. Flight Record A. Data Recording Select “Record” button to start recording the data parameters, and then select among the single frame record or multiple “consecutive” record as shown below. a. Single Record Just one frame is sampled and recorded. b. Consecutive Record Consecutive multiple frames are recorded until stopped by the user. Select “Trigger” to mark the important or critical moment, which is going to be indicated when reviewing the data.
G-scan2 User Manual Select “Close” to stop recoding the data and select “Yes” to end, then the data is saved as the Flight Record Data in the G-scan2 SD card. B. Data Review Recorded data can be reviewed and replayed by selecting “Recorded Data” function from the G-scan2 main menu, or “Flight Record Review” from the diagnostic functions menu. 2.7. Select Item A. Lost among too many parameters Later model vehicles provide the more parameters, sometimes hundreds of them need to be listed.
G-scan2 User Manual bottom right corner, then just the selected parameters are listed in the screen as shown below. As the G-scan2 needs to get the data for the smaller number parameters from the control unit, the data value refreshes at higher rate than showing the all parameters. C. All Items Select “All Items” to return to the full list mode. 3. Flight Record Review Reviews the recorded data and the function works the same as selecting the “Recorded Data” from the G-scan2 main menu.
G-scan2 User Manual 4. Actuation Test Actuation Test is a function that activates the active parts on the output side of the control unit such as injector, fans and valves, and examines the operation of the active parts and the related circuits. Select the test item from the upper left window, observe the test conditions described on the upper right window and get the vehicle’s condition in compliance then select “Select” button in the bottom or press [F1] key.
G-scan2 User Manual Select the “Cancel” button or press [F2] key to stop the activation test on the selected item. 4-1. Different Items supported Not all active parts of a control system are supported for this function. The list of the active parts available for the actuation test is predefined by the car manufacturers, therefore different items are supported according to the brands and models. 4-2.
G-scan2 User Manual While DTC Analysis, Data Analysis, Actuation Test and ECU Information functions are considered as basic diagnostic functions that are commonly supported for most of the systems of the major car manufacturers, there are more advanced functions that are required for service and maintenance purposes such as coding, reset, calibration, initialization, adaptation or programming, and these functions are called as Special Functions collectively.
G-scan2 User Manual 5-1. Favorite Please refer to [Chapter 3.6 Favorite] in this manual for more information. 5-2. Different functions supported The list of the Special Functions available for the selected vehicle is predefined by the car manufacturer, therefore please mind that different special functions are supported according to the brands and models. 5-3.
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G-scan2 User Manual Maker Selection Select the car manufacturer from the menu to begin the manufacturer specific diagnosis. 1. All Regions When “Diagnosis” is selected from the main menu, all the vehicle brands that G-scan2 supports are listed as the first step for car manufacturer selection as shown below. The brand of the vehicle that the G-scan2 has recently communicated with is placed in the top of the list.
G-scan2 User Manual 1-1. Europe European cars include Mercedes Benz, BMW ,VAG (Volkswagen, Audi, Seat, Skoda), Renault, Peugeot, Mini, Ford Europe, Opel/Vauxhall, Dacia, Volvo as of June 2013, and the more brands will be added as the development for more European cars gets materialized. 1-2.
G-scan2 User Manual 1-3. United States US domestic brands such as Chrysler, Dodge, Jeep and Ford USA are included under this regional category as of June 2013. 1-4. Others Demo program, or the trial versions that have not been officially released therefore could not be categorized to a specific region are found under this category.
G-scan2 User Manual Japanese Cars 1. Japan Domestic vs. International Select any Japanese brand “Toyota”, “Nissan”, “Honda”, “Mitsubishi”, “Mazda”, “Daihatsu” and “Suzuki” from the car maker selection menu, then it is followed by the G-scan2’s unique Japanese car menu structure as shown below.
G-scan2 User Manual 1-1. Japan Domestic G-scan2’s Japanese car software was developed and engineered in Japan by the Japanese engineers, and the database was built as demanded by the Japanese mechanics who prefer pin pointing the vehicle details to get the most specific diagnostic information from the vehicle. G-scan2 is offering the model names and the detailed model selection procedure to the Japanese users in the conventional way for the cars sold in Japanese domestic market.
G-scan2 User Manual 1-2. International Japan Domestic menu is conventional therefore maybe more familiar. However, it is not applicable outside Japan. In the overseas, the cars are named differently, and there is a huge variety of cars of different versions that are not found in Japan. International menu was added to include ALL regional versions of each Japanese brand. Therefore, make sure to select International unless the car is imported from Japan second-hand.
G-scan2 User Manual 2. System Search 1.1. System Auto Search For the Japanese cars with the exception of Isuzu, selecting “System Search” from the system selection menu activates the automatic “All Systems Check” procedure. G-scan2 tries to establish communication with all possible systems fitted in the car one after one, and then provides the summarized report of the diagnostic result on the screen. 1.2.
G-scan2 User Manual However, some of the control systems such as SRS, IMM or BCM may not support DTC Read and Erase functions. Some control modules may require G-scan2 to communicate with the system individually to read the DTC. In both cases, G-scan2 is unable to show the number of DTCs in the System Search report, not because of its fault but because the system is designed in that way. To avoid misunderstanding, G-scan2 indicates such exceptional cases with the “ - “ and “ -> ” symbols.
G-scan2 User Manual Select the button in the bottom, and the G-scan2 shows the details of the special functions available with the detected systems.
G-scan2 User Manual Korean Cars (Hyundai and Kia) Select “Diagnosis” from the main menu then the Car Maker Selection menu follows. There are several Hyundai and Kia software versions available and they are: Hyundai General: Hyundai cars sold worldwide except North America. Hyundai USA: Hyundai cars sold in North America. Hyundai Korea: Hyundai cars sold in Korea. Kia General: Kia cars sold worldwide except North America. Kia USA: Kia cars sold in North America.
G-scan2 User Manual For a quicker selection, use the Quick Move keypad provided in the lower right corner – simply type in the model name’s first alphabet, then the menu will jump to the model names that start with the selected alphabet. 1.2. Model Year Model year selection is the most delicate part for Hyundai and Kia cars – wrong model year selection may result in communication or diagnostic function failure. The vehicles that have been produced close to the model changing period may cause confusions.
G-scan2 User Manual 1.4. Pre. Vehicle G-scan2 remembers the details of the specifications of the last vehicle that it communicated. If you are testing the same vehicle again, simply select the “Pre.Vehicle” then the vehicle details are automatically reloaded. 2. FCS (Fault Code Searching) When the vehicle details are all selected, “FCS” button in the bottom is activated. Select “FCS” button or press the [F2] key to start the Fault Code Searching function.
G-scan2 User Manual G-scan2 tries to establish communication with all possible systems in the vehicle one after one, and then reports the basic diagnostic result as shown below Button Description Goes to the DTC Analysis function of the selected system Goes to the Data Analysis function of the selected system Restarts the Fault Code Search function Erases all the diagnostic trouble codes found Aborts the Fault Code Searching while the function is running Quits the FCS function and returns to the system se
G-scan2 User Manual 3.1. DTC + Data G-scan2 displays the DTC Analysis and Data Analysis functions simultaneously. 3.2. Data + Actuation G-scan2 executes the Actuation Test function while showing the Data Analysis parameters at the same time.
