GIT G-scan3 G3 Troubleshooting Manual
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GIT G-scan3 G3 Troubleshooting Manual

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GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL
G-scan3
TROUBLE SHOOTING GUIDE
th
Feb 19
, 2019
GIT-EZDS
FIRST EDITION
AFTERMARKET DISTRIBUTORSHIP MANUAL

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  • Page 1 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL G-scan3 TROUBLE SHOOTING GUIDE Feb 19 , 2019 GIT-EZDS FIRST EDITION AFTERMARKET DISTRIBUTORSHIP MANUAL...

  • Page 2: Table Of Contents

    GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Index Chapter 1. Power Supply Problems 3 - 9 Chapter 2. Rechargeable Battery Problems 10-15 Chapter 3. Communication Problems 16-22 Chapter 4. LCD Problems 23-31 Chapter 5. G-Scan3 System Lock 32-37 Chapter 6. Keypad Problems 38-41 Chapter 7.

  • Page 3: Chapter 1. Power Supply Problems

    GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Power Supply Problems Chapter 1. Power Supply Feb 19 , 2019 GIT-EZDS FIRST EDITION AFTERMARKET DISTRIBUTORSHIP MANUAL...
  • Page 4 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Power Supply Problems G-scan3 is unable to receive the power Check power supply from the vehicle battery Vehicle battery Replace or charge voltage the vehicle battery 9~30V? Check Firm connection of the DLC cable.
  • Page 5 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Power Supply Problems ① Check the power supply from the vehicle battery  Using a multi-meter, please check condition of the vehicle battery first. Recharge or replace the battery as necessary.  Please check for power supply from the vehicle side Data Link Connector (mostly located under left side of the dash.) Turn the Ignition ON and check for voltage at Pin #4 or #5 (Ground) and...
  • Page 6 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Power Supply Problems ② Check power supply through the main DLC cable  Please connect the main DLC cable and check for firm connections.  Check if the LED illuminates RED color on the top right corner.
  • Page 7 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Power Supply Problems ③ Check power supply through the external power source  Check to see if power comes on by connecting the external power source such as AC/DC power adapter and Cigar Lighter cable.
  • Page 8 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Power Supply Problems ④ Check the Power Supply Voltage  Please check the power supply (through the Cigar Lighter cable or AC/DC power adapter) voltage using the multi-meter.  If Cigar Lighter cable, and AC/DC adapter’s voltage falls within 9 ~30V range, proceed to the step 5.
  • Page 9 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Power Supply Problems ⑤ Check the LED Illumination G-scan3 has 2 color LEDs When the system charges normally, the LED illuminates Red, And when it is fully charged the LED illuminates Green.  If power supply from the AC/DC adapter is normal but G-scan3 cannot be turned on, go to chapter 2.

  • Page 10: Chapter 2. Rechargeable Battery Problems

    GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Rechargeable Battery Chapter 2. Rechargeable Battery Feb 19 , 2019 GIT-EZDS FIRST EDITION AFTERMARKET DISTRIBUTORSHIP MANUAL...
  • Page 11 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Rechargeable Battery G-scan3 has a charging problem Recharge the battery and check the condition (Battery Graph) Is there a Normal. sudden Battery was temporarily voltage drop? discharge Checked by the customer Checked by the distributor...
  • Page 12 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Rechargeable Battery ① Recharge the battery and check the battery condition  Connect AC/DC Power adapter and fully charge the battery. Then, go to Settings and Display. Adjust Brightness level to its maximum level.
  • Page 13 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Rechargeable Battery ② Check the battery charging circuit voltage Remove 2 screws  Remove the battery cover case.  Using the multi-meter, please check the voltage of the rechargeable battery without disconnecting the battery connector.
  • Page 14 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Rechargeable Battery ③ Check the battery charging circuit voltage Battery temp sensor *When measuring the charging voltage, keep the battery connected. If Main board does not detect battery, recharging circuit is not enabled and thus, powering on and charging the battery is not available.

  • Page 15: Chapter 3. Communication Problems

    GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Communication Problems Chapter 3. Communication Problems Feb 19 , 2019 GIT-EZDS FIRST EDITION AFTERMARKET DISTRIBUTORSHIP MANUAL...
  • Page 16 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Communication Problems Communication error Check the main DLC cable and adapter connection. Make firm connections communication for proper communication Attach the self-test adapter to the end of the main DLC cable & supply AC/DC power...
  • Page 17 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Communication Problems ① Check the DLC & Adapter Cable connection Check if all the adapters and cables are firmly connected. 1. Check if the correct diagnostic adapter is connected. Do not use the Self-Test adapter for vehicle communication.
  • Page 18 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Communication Problems ② Self-Test <Step A> 1. Connect the DLC main cable to the Diagnosis Scanner main body and connect the self test adapter with the AC/DC power as show in the right screen.
  • Page 19 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Communication Problems ③ Self-Test <Step B> Select “Step B” from the Self-Test menu. 1. Extend the Self-Test adapter attached to the end of the main DLC Cable to the vehicle-side diagnostic socket. 2. Select Step B and click “Start” in the bottom.
  • Page 20 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Communication Problems ④ Software Self Test Quick Self-Test Detail Self-Test Unlike predecessors, two types of software self test is available in G-scan3. • Quick self- test checks main software to find any corrupted data.
  • Page 21 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Communication Problems ⑤ How to use log capture function 1. Turn on G-scan3 2. Connect G-scan3 to the vehicle. 3. Select car maker 4. Press the [Log Data] and [Log Start] button 5. Press [OK] button, then data logging will begin.

  • Page 22: Chapter 4. Lcd Problems

    GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE LCD Problems Chapter 4. LCD Problems Feb 19 , 2019 GIT-EZDS FIRST EDITION AFTERMARKET DISTRIBUTORSHIP MANUAL...
  • Page 23 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE LCD Problems < LCD related problem symptoms > Various symptoms of LCD related problems can be experienced. Identify the problem among the following categories and follow the trouble shooting procedures provided. 1. Back light problems - LCD back light does not come on.
  • Page 24 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE LCD Problems LCD Back Light problem Adjust Brightness and check the variation Brightness Brightness can be control OK? controlled in setting Checked by the customer Checked by the distributor Replace the LCD module...
  • Page 25 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE LCD Problems ① LCD Back Light Problem Go to the Configuration -> System Setting -> Display menu. Move the brightness control slide left and right, and check if the LCD back light’s brightness changes.
  • Page 26 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE LCD Problems LCD Back Light Problem (Replacing Front Case) If the brightness is not adjustable, Backlight Control Board of the LCD might be a problem. Disassemble the front case and replace the LCD module (Refer Part Replacement Manual)
  • Page 27 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE LCD Problems Touch Screen Problem Touch Screen Not Responding or Delayed response Check if the protection film is attached on the LCD screen Remove G-scan3 is normal protection film. Problem Fixed? Perform Android Recovery...
  • Page 28 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE LCD Problems ① Check and remove the protection film. 1. Check if the protection film is on the LCD screen. If so, remove it from the screen and inspect the LCD screen again.
  • Page 29 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE LCD Problems ② Android Recovery (Forced O/S update) ① ② * Android Recovery will re-install O/S and remove all saved data. * Make sure to move saved files to separate storage device before performing this function.
  • Page 30 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE LCD Problems ③ Check Connection of LCD module harnesses Yellow line Black line 1. Remove Front case referring to Part Replacement Manual 2. Make sure that lines on LCD F-PCB cable and Touch F-PCB cable is aligned as shown above.

  • Page 31: Chapter 5. G-Scan3 System Lock

    GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE G-Scan3 System Lock Chapter 5. G-scan3 System Lock Feb 19 , 2019 GIT-EZDS FIRST EDITION AFTERMARKET DISTRIBUTORSHIP MANUAL...
  • Page 32 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE G-Scan3 System Lock G-scan3 System Lock Anti-Reverse Anti-Reverse User license Unable to load S/N Engineering Lock Engineering Lock2 Violation Lock Occurs when the G-scan3 is locked if user has run the H/W is Defective...
  • Page 33 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE G-Scan3 System Lock ① Unable to load Serial Number  It occurs due to hardware problem. VCI board needs to be replaced. When VCI module is replaced, the new serial number contained in the new VCI module is copied to the main board automatically.
  • Page 34 G-Scan3 System Lock ② “Anti-Reverse Engineering” Lock For the protection of GIT’s proprietary right and intellectual property that are embodied to G-scan3, the product contains the “Anti-reverse Engineering” function. Executing a particular special function repeatedly more than 20 times without resetting communication with the control unit by returning to the upper level menu, which is not supposed to take place under the normal conditions, will be considered as an attempt to reverse engineer the G-scan3.
  • Page 35 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE G-Scan3 System Lock ③ “Anti-Reverse Engineering” Lock 2 G-scan3 will be completely locked when it has detected clear evidence that the user was trying to extract information from the tool. Please do not accept this unit for any service. The user needs to contact GIT directly.
  • Page 36 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE G-Scan3 System Lock ④ User license Violation Lock According to the user license agreement, a G-scan3 must be used in the region where it was originally shipped to, and actual use of the product is monitored to make sure that this user license is not violated.

  • Page 37: Chapter 6. Keypad Problems

    GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Keypad Problems Chapter 6. Keypad Problems Feb 19 , 2019 GIT-EZDS FIRST EDITION AFTERMARKET DISTRIBUTORSHIP MANUAL...
  • Page 38 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Keypad Problems Keypad Problem Check for proper Key function (Turn G-scan3 ON or adjust volume) Normal? G-scan3 is normal Checked by the customer Checked by the distributor Inspect VCI & Main Board’s 24 pin connector.
  • Page 39 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Keypad Problems ① Check for proper Key Function 1. Press the Power button and see if the G-scan3 is turned On or Off 2. Go to Android setting and Sound & notification, press F1 or F2 button to check for proper button operation.
  • Page 40 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Keypad Problems ② Check & Replace the VCI board PCB and Cable 1. Remove Front case. 2. Check for firm connection of the keypad control board cable as shown above image.  Remove and inspect connector. After inspection, re install the connector.

  • Page 41: Chapter 7. Wireless Function Related Problems

    GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Wi-Fi Problems Chapter 7. Wireless function related Problems Feb 19 , 2019 GIT-EZDS FIRST EDITION AFTERMARKET DISTRIBUTORSHIP MANUAL...
  • Page 42 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Wi-Fi Problems Wireless function does not work Check Wi-Fi & Bluetooth connection setting/Refresh Restart G-scan3 Signal status G-scan3 is normal Checked by the distributor Checked by the customer Check for Antenna connection again.
  • Page 43 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Wi-Fi Problems ① Check the Wi-Fi & Bluetooth signals 1. Switched on the Wi-Fi & Bluetooth 2. Check the Wi-Fi & Bluetooth signals sensitivity. 3. Check network condition of the internet router or Bluetooth device connected with G-scan3.
  • Page 44 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Wi-Fi Problems ② Check the antenna connection Connector through the hole 1. Remove Front case. 2. Check connection for Antenna connector. 3. If antenna connection is ok, replace antenna. (Replace after removing housing from the main board.) ...

  • Page 45: Chapter 8 Camera & Flash Problems

    GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Camera Problems Chapter 8. Camera & Flash Light Problems Feb 19 , 2019 GIT-EZDS FIRST EDITION AFTERMARKET DISTRIBUTORSHIP MANUAL...
  • Page 46 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Camera Problems Camera Problem Check the Camera & Flash light Go to Flash light Normal? inspection procedure Check Auto Focus/Poor Flash light Problem fixed picture quality Checked by the distributor Checked by the customer...
  • Page 47 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Camera Problems Flash Light Problem Check the Camera & Flash light Does Flash G-scan3 is normal light works? Checked by the distributor Checked by the customer Check Flash Light connection Connection Make firm...
  • Page 48 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Camera Problems ① Check the Camera & Flash light Perform Camera/Flash function 2. If the camera application is not running, inspect for flash light operation as shown above right picture. •If flash light is not working properly, camera function will not be running.
  • Page 49 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Camera Problems ② Check Auto Focus/ Poor picture quality 1. Run the Camera application. 2. Touch the object to adjust focus.  If focus is not working properly, go to step 3. Feb 19...
  • Page 50 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Camera Problems ③ Check the Camera & Flash light connection Camera module connector Flash Light connector 1. Remove front case referring to Part Replacement Manual 2. Check the Camera & Flash light connection 3.
  • Page 51 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Camera Problems ④ Check the Camera & Flash light 1. Disconnect Camera/Flash module connector and remove main board. 2. Remove Two screws pointed in picture no.1. Then flash light will be removed as shown in picture no.2.

  • Page 52: Chapter 9 Lan & Hdmi Problems

    GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE LAN & HDMI Problems Chapter 9. LAN & HDMI Problem Feb 19 , 2019 GIT-EZDS FIRST EDITION AFTERMARKET DISTRIBUTORSHIP MANUAL...
  • Page 53 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE LAN & HDMI Problems ① Check HDMI connection LAN & HDMI Problem Check LAN & HDMI cable connection Normal? G-scan3 is normal Checked by the distributor Checked by the customer Check internet connection status...
  • Page 54 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE LAN & HDMI Problems ① Check LAN & HDMI connection LAN (Ethernet) 1. Perform visual inspection in LAN socket for damage. 2. Check if the LED light located at the top is illuminating after connecting LAN wire.

  • Page 55: Chapter 10 Audio Problems

    GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Audio Problems Chapter 7. AUDIO problem Feb 19 , 2019 GIT-EZDS FIRST EDITION AFTERMARKET DISTRIBUTORSHIP MANUAL...
  • Page 56 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Audio Problems Audio Problem Check Audio system Normal? G-scan3 is normal Check MIC & Speaker connection Checked by the distributor Checked by the customer Problem Replace the Fixed? MIC/Speaker Completed Feb 19 , 2019...
  • Page 57 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Audio Problems ① Check Audio System 1. Go to Settings and adjust media volume to its maximum level. 2. Perform Sound record. 3. Play the recorded file. (Same for video) Speaker 1. Go to Settings and adjust media volume to its maximum level.
  • Page 58 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE Audio Problems ② Check MIC & Speaker connection MIC connector Speaker connector 1. Perform visual inspection in LAN socket for damage. 2. Check if the LED light at the top is illuminating after connecting LAN wire.
  • Page 59 GIT-EZDS AFTERMARKET DISTRIBUTORSHIP MANUAL TROUBLE SHOOTING GUIDE END of DOCUMENT Feb 19 , 2019 GIT-EZDS FIRST EDITION AFTERMARKET DISTRIBUTORSHIP MANUAL...

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