Mô tả tổng quan các chức năng đặc biệt của máy G-Scan cho xe ô tô. KTV chẩn đoán điện điện tử ô tô. máy Chẩn đoán G-Scan có hỗ trợ các chức năng đặc điệt dành cho ô tô hỗ trợ KTV chẩn đoán sửa chữa ô tô như chức năng cài chìa khóa, chức năng reset bướm ga, reset góc lái, reset thay dầu, lean hộp số tự động, cài mã kim phun, tái tạo bộ lọc DPF...
Update from CD
Engine Test Function
Ⅱ ESP / ABS
- Pressure sensor Calibration - Parameter Download
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Pressure sensor Calibration
•The pressure sensor, installed in the HECU, converts the brake pressure to judge the driver's brake intention when the ESP program is operated
•When pressure is applied to the sensor, the resistance of the sensor's strain gauge changes
•The change in resistance changes the voltage output from the sensor
Parameter Download
AFLS: Adaptive Front Lighting System
AFLS: Adaptive Front Lighting System
AFLS: Adaptive Front Lighting System
AHLS: Auto Head lamp Leveling System
HCU Air Bleeding Mode
Type #1 -After changing brake oil manually, air bleeding activates.
Type #2 -Activating air bleeding mode with brake oil changing
DTC analysis
ECU INFORMATION
Data analysis
Compression Test
AT/CVT Learning Value Initialization(v) CVT Hydraulic Pressure Learning Start(v) AT Learning Value Initialization(v)
Air Bleeder [VSC Actuator]Intake System Air Bleeder [VSC Actuator]Decompression System Air Bleeder [ECB]Brake Control Prohibition
Accumulator 0 Down Drive Yaw Rate / G Sensor 0 Point Clear (For ECB) Linear Valve Learning Value Initialize
Back Up Memory Clear VSC System 0 Point Clear Test Mode
Torque sensor adjustment Rotational Angle Sensor Calibration
VGRS (Variable Gear Ratio Steering)
Initialization of immobilizer Auto Registration Closure Key Code Reset (ECU Relearn)
Key code erasure Key code registration
Injector Compensation
- When an injector is replaced, the injector’s compensation code must be input into the ECM
- When the ECM is changed, all of the existing injector compensation codes must be input into the new ECM
Pilot Quantity Learning Values Reset
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- Fuel consumption ( late injection start )
Pilot fuel injection is defined as a pre-injection of a small quantity of fuel before the main fuel injection
This pre-injection softens the main injection pressure rise and reduces combustion noise.
Pilot fuel injection involves injecting a small amount of fuel prior to the main fuel injection This pre-injection helps mitigate the pressure surge associated with the main injection and decreases combustion noise levels.
- Pilot Quantity Learning Values Reset
Total injection volume depends on the intake air volume.
Main injection volume is residual volume of total injection volume subtract pilot injection volume.
- Pilot Quantity Learning Values Reset
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Post-Injection What is the post-injection:
A small certain amount of fuel injection after main injection.
Reduction on Nox-emissions Disadvantage:
- Pilot Quantity Learning Values Reset
From 90’ before TDC to 10’ after TDC.
From 20’ before TDC to 10’ after TDC.
From TDC to 200’ after TDC.
- Pilot Quantity Learning Values Reset
Pilot Quantity Learning Values Clear
Supply Pump Initialization
Solenoid type valves are utilized in the fuel system, controlled by the ECU (Engine Control Unit) By regulating the duration of current supplied to the SCV (Suction Control Valve), the ECU precisely controls the amount of fuel drawn into the pumping mechanism This ensures that only the necessary fuel is drawn to attain the desired rail pressure As a result, the load on the supply pump is reduced, leading to enhanced fuel efficiency.
SCV ON When current is applied to the coil, it pulls the needle valve upward, allow- ing fuel to be drawn into the pumping mechanism of the supply pump.
SCV OFFWhen current is no longer applied to the coil, the needle valve closes and stops the suction of fuel.
Check Valve Open During fuel suction(SCV ON), the feed pressure opens the valve, allowing fuel to be drawn into the pumping mechanism.
Check Valve ClosedDuring fuel pumping (SCVOFF), the pres- surized fuel in the pumping mechanism closes the valve, preventing fuel from flowing back into the SCV
Reset Memory
Ⅱ TRANSMISSION
AT/CVT Learning Value Initialization
CVT Hydraulic Pressure Learning Start
AT Learning Value Initialization
Parts exchange
Check Mode
Air Bleeder
ECB]Brake Control Prohibition
Down Drive
Yaw Rate / G Sensor 0 Point Clear (For ECB)
- Yaw Rate / G Sensor 0 Point Clear (For ECB)
Linear Valve Learning Value Initialize
- Linear Valve Learning Value Initialize
Linear Valve Learning Value Initialize & Test Mode
Test Mode
Back Up Memory Clear
VSC System 0 Point Clear
Ⅳ EPS
Torque sensor adjustment
Rotational Angle Sensor Calibration
Ⅴ VGRS
Steering angle adjust
Initialization of immobilizer
Auto Registration Closure
Key Code Reset (ECU Relearn)
Key code erasure
Key code registration
Ⅰ POWER TRAIN
Crank shaft position variant learn Idle learn
Injector flow rate programming Clutch pedal position learn Immobilizer learning
Crank Information programming Correction Factor Fuel Reset ECM Replace
Brake pedal position sensor learn Configure new module
SDM Primary Key in BCM SDM ID Input
ISU Key Coding Program transponder key Erase transponder key Erase remote key Program remote key
Steering Wheel Angle Sensor Reset Steering Wheel Angle Sensor learn.
Brake Pressure Sensor Calibration unit
New SDM program Adapt reset
Key programming ADD reset fobs key ADD replace key fobs Reprogram All transponder key Program addition keys
Crank shaft position variant learn
- Crank shaft position variant learn
All 1996 and newer GM vehicles with FLASH reprogramming ECCs.
It must be performed if:
2) Crankshaft position sensor has been replaced.
- Crank shaft position variant learn
Crank shaft position variant learn
Idle learn
Power disconnection (battery cable, ECM fuse, etc) (Delphi ECM only )
Fuel trim test
Injector flow rate programming
Clutch pedal position learn (CPPS)
Any procedure that alters the CPPS to clutch pedal alignment
- Clutch pedal position learn (CPPS)
ECM Immobilizer Learning
A total of 10 master keys may be programmed to a single vehicle
The procedure does not erase previously learned keys
When you add the new key, you must have one master key.
When you make new key with all key lost condition, you have to have new two key.
Crank Information programming
없없
ECM Replace
Brake pedal position sensor learn
- Brake pedal position sensor calibration must be performed after the brake pedal position sensor or body control module (BCM) have been serviced
- The calibration procedure will set the brake pedal position sensor home value
The Brake Control Module (BCM) utilizes this value to ascertain the driver's intended action when applying the brake system Subsequently, the BCM transmits this information to the vehicle's subsystems via serial data, ensuring coordinated functionality within the vehicle.
- Brake pedal position sensor learn
BCM & SDM
- Body Control Module Programming and Setup
Body Control Module (BCM) Replacement If the body control module (BCM) is replaced, the following procedures must be performed in the fol- lowing order:
•BCM Reprogramming Refer to Body Control Module (BCM) Programming/RPO Configuration in Com- puter/Integrating Systems.
Important: This procedure has to be performed only for vehicles equipped with Passlock™ System
Programming Theft Deterrent System Components: When replacing a Body Control Module (BCM), the system's Passlock™ information is automatically learned, but the Powertrain Control Module (PCM) requires manual input from the BCM to establish theft-related information.
•Relearn Restraints ID Refer to Body Control Module (BCM) Programming/RPO Configuration in Com- puter/Integrating Systems.
BCM Reprogramming If the BCM is reprogrammed, the following procedures must be performed:
•BCM Reprogramming Refer to Body Control Module (BCM) Programming/RPO Configuration in Com- puter/Integrating Systems.
Important: This procedure has to be performed only for vehicles equipped with Passlock™ System
•Theft Learn Refer to Programming Theft Deterrent System Components in Theft Deterrent.
•Relearn Restraints ID Refer to Body Control Module (BCM) Programming/RPO Configuration in Com- puter/Integrating Systems
Body Control Module BCM Programming/RPO Configuration Introduction
To ensure proper BCM functionality, specific procedures must be followed during BCM-related service These procedures may be necessary for replacing other modules or components Careful reading and adherence to these instructions are crucial prior to commencement.
Important: The following procedures must be followed:
•Programming Theft Deterrent System Components, if equipped with Passlock System
Reprogramming the Body Control Module (BCM) requires resetting its personalization settings to default Post-procedure, customers must be notified to reconfigure these settings to ensure optimal vehicle functionality.
Perform the special function for BCM "Request BCM Info for SPS" or select Service Programming Sys- tems, and then refer to Service Programming System (SPS) in Programming and Setup.
- Programming Theft Deterrent System Components Important: This procedure has to be performed only for vehicles equipped with Passlock System
To program the BCM's anti-theft system after replacement, follow the "Request VTD Info for SPS" special function or select Service Programming Systems Failure to do so after BCM replacement can result in the following:
• The vehicle will not be protected against theft by the Passlock System
• The engine will not crank or start
This procedure also needs to be performed when replacing the passlock sensor or when replacing the PCM with one used before in a different vehicle.
Relearn Restraints ID Perform the special function for BCM "Setup SDM Serial Number in BCM" with the scan tool.
This procedure may also need to be performed when replacing the SDM.
Important: After programming, perform the following to avoid future misdiagnosis:
•Turn the ignition OFF for 10 seconds.
•Connect the scan tool to the data link connector.
•Turn the ignition ON with the engine OFF.
•Use the scan tool in order to retrieve history DTCs from all modules.
- Programming Theft Deterrent System Components Important:
Replacing the Body Control Module (BCM) with a SPO replacement initiates immediate Passlock™ sensor data code learning by the module In contrast, the existing Powertrain Control Module (PCM) requires a learning process to acquire the new fuel continue password when the BCM is replaced.
Replacing a PCM with a GM SPO part requires programming and learning the incoming fuel continue password from received messages Once learned, this password can only be changed through a learn procedure A PCM previously installed on another vehicle will have learned that vehicle's password and must undergo a learn procedure after programming to adopt the current vehicle's password.
Conditions Use this procedure after replacing:
Learn Procedures There are 2 available methods to perform the programming procedure:
• A 10-minute procedure which requires a Tech 2 and a techline terminal
• A 30-minute procedure which does not require the use of any tools
10-Minute Learn Procedure Tools Required
• Techline terminal with current Service Programming System (SPS) software
•Connect the Tech 2 to the vehicle.
•Select "Request Information" under "Service Programming".
•Disconnect the Tech 2 from the vehicle and connect it to a Techline terminal.
•On the techline terminal, select "V.T.D - Vehicle Theft Deterrent Learn" under Service Programming".
•Disconnect the Tech 2 from the Techline terminal and connect it to the vehicle.
•Turn ON the ignition, with the engine OFF.
•Select "Program ECU" under "Service Programming".
•At this time you will receive a screen on the Tech 2 stating to "PLEASE WAIT-MINUTES REMAINING 10".
•Turn OFF the ignition, and wait 30 seconds
- BCM & SDM TCM: Traction Control Module
ECM: Engine Control Module ACC: Adaptive Cruise Control ABS: Antilock Brake System
PDM: Power Distributor Module BCM: Body Control Module
EKM: Easy Key Module SDM:HVAC:
Configure new module
SDM Primary Key in BCM
SDM ID Input
ISU Key Coding
Program transponder key
Erase transponder key
Erase remote key
Program remote key
Steering Wheel Angle Sensor Reset & Learn
The external column mounted steering angle sensor generally does not require frequent centering However, centering may become necessary after certain service procedures, such as:
The external column mounted steering angle sensor does not require center- ing often
Centering of the steering angle sensor might be required after certain service procedures are per- formed
Some of these procedures are as follows:
- Electronic brake control module (EBCM) re- placement
- Steering angle sensor replacement - Steering gear replacement
- Steering column replacement - Collision or other physical damage
Electronic brake control module (EBCM) replacement Steering angle sensor replacement
Steering gear replacementSteering column replacementCollision or other physical damage