Quicklynks T20 User manual

OBDII/EOBD auto scanner
User manual
2.8” Color Auto scanner
Multilingual

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Table of Contents
1. INTRODUCTION........................................................... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... 3
2. GENERAL INFORMATION-ABOUT OBDII/EOBD.... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ........ 3
2.1 ON-BOARD DIAGNOSTICS (OBD) II......................... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ...... ..... 3
2.2 DIAGNOSTIC TROUBLE CODES (DTCS).......................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... 3
2.3 LOCATION OF THE DATA LINK CONNECTOR (DLC).......... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... 4
2.4 OBD II READINESS MONITORS...................................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... . 4
2.5 OBD II MONITOR READINESS STATUS........................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... 4
2.6 OBD II DEFINITIONS.................................................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... ... .. 5
3. PRODUCT DESCRIPTIONS........................................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... ...... 5
3.1 OUTLINE OF AUTO SCANNER.............................................. .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... ..... 5
3.2 SPECIFICATIONS....................................................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... ... 6
3.3 ACCESSORIES INCLUDED........................................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... 6
3.4 POWER SUPPLY........................................................ .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... ... 6
3.5 TOOL SETUP............................................................ .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... 6
3.6 VEHICLE COVERAGE.................................................. .. .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .. 7
4. OPERATION................................................................. .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... ... ..... 7
4.1 CONNECTION............................................................ .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... 7
4.2 DIAGNOSTIC............................................................. .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .. 8
4.2.1 Read Codes..................................................... .... .... ........ .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... ... 8
4.2.2 Erase Codes.............................................. .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... …….. 8
4.2.3 I/M Readiness.............................................. .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... …… 9
4.2.4 Data Stream............................................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... …….. 9
4.2.5 View Freeze Frame......................................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... …. 11
4.2.6 O2 sensor test................................................. .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .. 11
4.2.7 On-board monitor test...................................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .. 12
4.2.8 EVAP System Test........................................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .. 12
4.2.9 Vehicle Info...................................................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .. 12
4.3 CODE LOOKUP.......................................................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .. 13
4.4 REVIEW..................................................................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... 13
4.5 HELP...................................................................... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .. 14

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1. INTRODUCTION
The CReader VI is a game changer in the world of portable Automotive Diagnostics. Is it a code scanner, or is it a scan
tool? The CReader VI blurs the lines by being the first full color, 4 PID graphing code scanner in the market. The CReader
VI boasts an industry leading 2 frames per second data capture, while having the ability to store, record and playback
over 29 data files, lasting over 8 hours! The CReader VI is also very easy to use. With built-in help menus and code
definitions, diagnosing and repairing that dreaded Check Engine Light is now easier than ever! And we don’t top there.
The CReader VI also features the following bi-directional “pecial tests? EVAP, 02 Sensor, I/M Readiness, MIL Status, VIN
Info, and On-board
monitors testing.
NOTICE: AUTO SCANNER MAY AUTOMATICALLY RESET WHILE BEING DISTURBED BY STRONG STATIC ELECTRICITY.
THIS IS A NORMAL REACTION.
2. General Information-About OBDII/EOBD
2.1 On-Board Diagnostics (OBD) II
The first generation of On-Board Diagnostics (called OBD I) was developed by the California Air Resources Board (ARB)
and implemented in 1988 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 is called "OBD II".
The OBD II 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 a warning lamp (MIL) on the vehicle instrument panel to alert the driver typically by the phrase of “heck
Engine
Engine Soondetected malfunction so that a technician can accurately find and fix the problem. Here below follow three
pieces of such valuable information:
1) Whether 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 II Diagnostic Trouble Codes consist of a five-digit
alphanumeric code. The first character, a letter, identifies which control system sets the code. The second character, a
number, 0-3; other three characters, a hex character, 0-9 or A-F provide additional information on where the DTC
originated and the operating conditions that caused it to set. Here below is an example to illustrate the structure of the
digits:

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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 12 inches
from the center of the instrument panel (dash), under or around the driver
side for most vehicles. If Data Link Connector is not located under dashboard,
a label should be there telling location. For some Asian and European vehicles, the DLC is located behind the ashtray and
the ashtray must be removed to access the connector. If the DLC cannot be found, refer to the vehicle.
2.4 OBD II Readiness Monitors
An important part of a vehiclewhich are indicators used to find out if all of the emissions components have been
evaluated by the OBD II system. They are running periodic tests on specific systems and components to ensure that they
are performing within allowable limits.
Currently, there are eleven OBD II Readiness Monitors (or I/M Monitors) defined by the U.S. Environmental Protection
Agency (EPA). Not all monitors are supported in every vehicles and the exact number of monitors in any vehicle depends
on the motor vehicle manufacturer
Continuous Monitors-- Some of the vehicle components or systems are
continuously tested by the vehicleonly under specific vehicle operating conditions. The continuously monitored
components listed below are always ready:
1). Misfire
2). Fuel System
3). Comprehensive Components (CCM)
Once the vehicle is running, the OBD II system is continuously checking the above components, monitoring key engine
sensors, watching for engine misfire, and monitoring fuel demands.
Non-Continuous Monitors-- Unlike the continuous monitors, many emissions and engine system components require the
vehicle to be operated under specific conditions before the monitor is ready. These monitors are termed non-continuous
monitors and are listed below:
EGR System
O2 Sensors
Catalyst
Evaporative System
O2 Sensor Heater
Secondary air Injection
Heated Catalyst
A/C system
2.5 OBD II Monitor Readiness Status
OBD II systems must indicate whether or not the vehiclesystem has completed testing on each component. Components
that have been tested will be reported as “Rady? or “Compete? meaning they have been tested by the OBD II system. The
purpose of recording readiness status is to allow inspectors to determine if the vehicleall the components and/or
systems.
The powertrain control module (PCM) sets a monitor to “eady?or “ompletecycle that enables a monitor and sets
readiness codes to “eady?varies for each individual monitor. Once a monitor is set as will remain in this state. A number

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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 monitors are constantly evaluating, they will be reported as “Redy?all of the time. If
testing of a particular supported non-continuous monitor has not been completed, the monitor status will be reported as
Ready.
In order for the OBD 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 at
least one overnight-off period. For specific information on getting your vehicleowner.
2.6 OBD II Definitions
Powertrain Control Module (PCM) -- OBD II terminology for the on-board computer that controls engine and drive train.
Malfunction Indicator Light (MIL) -- 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 onboard diagnostic system cannot turn the MIL off until the necessary repairs are
completed or the condition no longer exists.
DTC -- Diagnostic Trouble Codes (DTC) that identifies 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
cycles vary among vehicles and for each monitor in any particular vehicle.
Please refer to the vehicle's factory service manual for specific enabling procedures.
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 “eady?condition. The purpose of
completing an OBD II drive cycle is to force the vehicle to run its onboard diagnostics. Some form of a drive cycle needs
to be performed after DTCs have been erased from the PCMmemory or after the battery has been disconnected.
Running through a vehiclefaults can be detected. Drive cycles vary depending on the vehicle and the monitor that needs
to be reset. For vehicle specific drive cycle, consult the service manual.
Freeze Frame Data -- When an emissions related fault occurs, the OBD II
system not only sets a code but also records a snapshot of the vehicle operating parameters to help in identifying 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.
Fuel Trim (FT) - Feedback adjustments to the base fuel schedule. Short-term
fuel trim refers to dynamic or instantaneous adjustments. Long-term fuel trim refers to much more gradual adjustments
to the fuel calibration schedule than short-term trim adjustments. These long-term adjustments compensate for vehicle
differences and gradual changes that occur over time.
3. Product Descriptions
3.1 Outline of AUTO SCANNER
①
②
③
⑨
⑤
⑥
⑧

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①. Cable with OBD II CONNECTOR -- Connects the AUTO SCANNER to the vehicle
②. LCD DISPLAY -- Indicates test results.
③. ENTER BUTTON--Confirms a selection (or action) from a menu list.
⑤/⑦. RIGHT/LEFT BUTTONs -- Move cursor right or left for selection; Or turn page up or down when more than one page
is displayed.
⑥/④. UP/DOWN BUTTONs-- Move cursor up or down for selection.
⑧. USB PORT -- Connects to computer to update the AUTO SCANNER online.
⑨ESC BUTTON -- Returns to previous menu.
3.2 Specifications
Screen: 2.8
Input voltage range: 8~32V
Operating current: <100mA@12V (Typical)
Power consumption: <1.2W (Typical)
Operating temperature: 32_~122
Storage tempetature: -4_~158_ / -20_ ~70_ @ RH60%
Outline dimension: 15*8*2.5CM
Weight : <17.6 oz (500g)
3.3 Accessories Included
User
USB cable--Connect to a computer for upgrading online
3.4 Power supply
The power of the AUTO SCANNER is provided via the vehicle Data Link Connector (DLC). Follow the steps below to power
it up:
A. Find DLC on vehicle: A plastic DLC cover may be found for some vehicles and you need to remove it before plugging
the OBDII cable.
B. Plug the connector at the end of OBD II cable to the vehicle
3.5 Tool Setup
Select [Tool Setup] in the Main Menu and press [ENTER], the screen will display the interface as shown below:
to make the following adjustments, settings:
1). Select language: Selects desired language.
Choose [Language] and press [ENTER], the screen will display the interface as shown below
You can press [▲ ] [▼ ] key to select any language and press [ENTER] to confirm. The system will convert to the
chosen language interface at once.
2). Beeper: ON/OFF the Beeper.
Choose [Beep] and press [ENTER], the screen will display the interface as shown below:

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Press [▲] or [▼] to select ON/OFF and press [ENTER] to confirm.
3). Time and Date: Set time and date.
Choose [Time and Date] and press [ENTER], the screen will display the interface as shown below:
Press [▲] or [▼] to change input, press [LEFT] or [RIGHT ] to select position, then press [ENTER] to confirm.
4). Record: ON/OFF the Record.
Choose [Record] and press [ENTER], the screen will display the interface as shown below:
Press [▲] or [▼] to select ON/OFF and press [ENTER] to confirm. When this function is ON, and the icon record
Datastream and record Freeze Frames.
3.6 Vehicle Coverage
The AUTO SCANNER is specially designed to work with all OBD II compliant vehicles, including Control Area Network
(CAN). It is required by EPA that all 1996 and newer vehicles (cars and light trucks) sold in the United States must be OBD
II compliant and this includes all American, Asian and European vehicles.
A small number of 1994 and 1995 model year gasoline vehicles are OBD II 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 Cetifiedregulations
mandate that all OBD II compliant vehicles must have a “comon”.For the vehicle to be OBD II compliant it must have a
16-pin DLC (Data Link Connector) under the dash and the Vehicle Emission Control Information Label must state that the
vehicle is OBD II compliant.
4. OPERATION
4.1 Connection
1). Turn the ignition off.
2). Locate the vehicle
3). Plug the OBDII cable into the vehicle
4). Turn the ignition on. Engine can be off or running.
After finishing, press [ENTER] button to enter Main Menu as following picture:
CAUTION: Don’t onnect or disconnect any test equipment with ignition on o engine running.

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4.2 Diagnostic
Select [Diagnostic] in Main Menu and press [ENTER], the screen will display Monitor Status interface as following
Press [ESC] to back to the Main Menu of Diagnostic, the screen will display as following
4.2.1 Read Codes
Select [Read Codes] and press [ENTER] in Diagnostic Menu. If there are some codes, the screen will display the codes as
shown below:
According to the above figure to select different item by pressing [▲] or [▼] and press [ENTER] to confirm.
1/27 indicates there are 27 codes total and now P0100 is the first code to display.
The screen will also show the content of the code below the number of code.
You can use [▼]key to view the next code.
After viewing all the codes, you can press [ESC] to return to the Diagnostic Menu.
4.2.2 Erase Codes
Select [Erase Codes], the screen will display the interface as shown below:
Press [ENTER] to erase DTC shown below:

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According to the above figure to press [ENTER] and the screen will display the interface as shown on the next page:
Notes:
◆ Before performing this function, make sure to retrieve and record the trouble codes.
◆ After clearing, you should retrieve trouble codes once more or turn ignition on and retrieve codes again.If there are
still some trouble codes in the system, please troubleshoot the code using a factory diagnosis guide, then clear the
code and recheck.
4.2.3 I/M Readiness
I/M refers to Inspection and Maintenance that is legislated by the Government to meet federal clean-air standards. I/M
Readiness indicates whether or not the various emissions-related systems on the vehicle are operating properly and are
ready for Inspection and Maintenance testing.
The purpose of the I/M Readiness Monitor Status is to indicate which of the vehicledescribed in Chapter 2.5), and which
ones have not yet run and completed testing and diagnosis of their designated sections of the vehiclesystem.
The I/M Readiness Monitor Status function also can be used (after repair of a fault has been performed) to confirm that the
repair has been performed correctly, and/or to check for Monitor Run Status.
Select [I/M Readiness] and press [ENTER], the screen will display the interface as shown below:
You can use [▲] [▼] button to select and press [ENTER], the screen will display the interface as shown below:
You can use [LEFT ] [RIGHT ] button to view other data of vehicle. Press [ENTER] to return to Diagnostic Menu.
N/A means not available on this vehicle, INC means incomplete or not ready, OK means Completed or Monitor Ok.
4.2.4 Data Stream
Press [▲] or [▼] button to select Data Stream in Main Menu interface and then press [ENTER] button to confirm, the
screen will display the interface as shown below:

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As shown the picure above and press [ENTER] button, the screen will display the interface as shown below:
Select [View All Items] and press [ENTER] button, the screen will display the interface as shown below
You can use [LEFT] [RIGHT] button to view other data streams. Press [ENTER] to return to Diagnostic Menu.
Select [select Items] in Data stream menu and press [ENTER], the screen will display the interface as shown below:
You can use [▲] [▼] button to select data stream items, and press [LEFT ] [RIGHT] button to turn page, the screen will
display the interface as shown on the next page:
After selected items and press [ENTER], the screen will display the interface as shown below:
Press [ESC] to return to Diagnostic Menu.
Select [View Graphic Items] in Data stream menu and press [ENTER], the screen will display the interface as shown
below:

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You can use [▲] [▼] button to select single data stream items to view item of live data with a graph, and press [ENTER]
button, the screen will display the interface as shown below:
Press [ESC] to return to Diagnostic Menu.
You can view all data stream items or select a certain item of live data with a graph.
4.2.5 View Freeze Frame
When an emission-related fault occurs, certain vehicle conditions are recorded by the on-board computer. This
information is referred to as freeze frame data. Freeze Data is a snapshot of the operating conditions at the time of an
emission-related fault.
Note: if DTCs were erased, Freeze Data may not be stored in vehicle memory depending on vehicle.
Select [Freeze Frame] in main menu interface, the screen will display the interface as shown below:
You can use [LEFT] [RIGHT] button to view the data.
Press [ESC] to return to Diagnostic Menu.
4.2.6 O2 sensor test
The results of O2 sensor test are not live values but instead the results of the ECUlive sensor screens such as Graph
Screen.
Not all test values are applicable to all vehicles. Therefore, the list generated will vary depending on vehicle. In addition,
not all vehicles support the Oxygen Sensors screen.
For results of latest mandated on-board oxygen sensor monitoring test, see the below:
Select [O2 Sensor Test] in Diagnostic menu and press [ENTER] and the screen will display as shown below
Press [ENTER] button, the screen will display as shown below:

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You can use [▲] [▼] button to select an item and press [ENTER], the screen will display as shown below:
Press [ESC] to return to Diagnostic Menu.
4.2.7 On-board monitor test
This function can be utilized to read the results of on-board diagnostic monitoring tests for specific
components/systems.
Select [On-board Monitoring] in main menu and press [ENTER] and the screen will display as shown below:
You can use [▲] [▼] button to select an item and press [ENTER], the screen will display as shown below:
Press [ESC] to return to Diagnostic Menu.
4.2.8 EVAP System Test
The EVAP test function lets you initiate a leak test for the vehiclesystem. The AUTO SCANNER does not perform the leak
test, but signals to vehiclefunction, refer to the vehicleprocedures necessary to stop the test.
Select [EVAP System Test] and press [ENTER], the screen will display the relative information about EVAP system. Some
vehicle manufacturers do not allow external devices to control vehicle system. If the car supports this function, it will
display as below:
4.2.9 Vehicle Info
Select [Vehicle Info] and press [ENTER], the screen will display the information, such as VIN (Vehicle identification
Number), CID (Calibration ID) and CVN (Calibration verification number), as shown below:
Press [ESC] to return to Diagnostic Menu.

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4.3 Code Lookup
Select [Code Lookup] in the Main Menu and press [ENTER] and the screen will display the interface as shown below
You can use [▲] [▼] key to change the first letter. It can be switched among.press [LEFT] [RIGHT] key to input number.
After you input the code number, press [ENTER] to view the definition of the code.
After viewing the definition, press [ESC] to return to the Main Menu.
4.4 Review
This function is used to review the recorded Data Streams, DTC, and Freeze Frame.
Select [Review] in the Main Menu and press [ENTER] and the screen will display the interface as shown below:
CAUTION: About the record function, please view the chapte Tool Setup
1). Review DTC
Select [Review DTC] in the Review and press [ENTER] and the screen will display the interface as shown below:
The recorded DTC will be displayed as shown in Figure 4-31.
You can use [▲] [▼] key and press [ENTER] button to view detailed information,
2). Review Data stream
The operation is similar to the “eview DTC” function.
3). Review Freeze Frame
The operation is similar to the “eview DTC” function.
4). Delete DTC
Select [Delete DTC] in the Review and press [ENTER] and the screen will display the interface as shown below:

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Press [ENTER] to confirm, and press [ESC] to return to Main Menu.
5). Delete Data stream
The operation is similar to the “elete DTC
6). Delete Freeze Frame
The operation is similar to the “elete DTC
4.5 Help
This function is used to view Tool Information, About OBD, and About Data stream.
Tool Information includes: software version, hardware version, serial
number, supported, time and date.
About OBD: Relevant introductions information about OBD.
About Data stream: Relevant introductions information about Data stream.