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Description:
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DIYDiagnostics.com Advanced OBDII Code Reader - (Retrieve Live Data including timing, fuel pressure, temperatures, throttle position, engine load, and more! Displays the code description on the screen, not just the code - no code book required!)
Introduction
This Advanced OBDII tool is a handy device for reading and erasing trouble code in your vehicles. It can also display live data for your vehicle. It is small in size, robust in design, competitive in price and easy to use. This is a stand alone unit, it does not need a laptop computer to operate.
By simply connecting this tool to the diagnostic socket, the user will be able to read the trouble code. The trouble code description will be displayed directly on the screen, no need for search it in the user's manual. Each code will be continuously displayed until the [PREVIOUS] or [NEXT] key is pressed. This is a important advantage to compare with the old type trouble code reading tools.
Features:
With large LCD display: the trouble code description will be displayed directly on the screen, no need for search it in the user's manual
Each code will be continuously displayed until the  or [down] key is pressed. This is an important advantage to compare with the old type trouble code reading tools
With extension cable, comfortable for operation
With live data or data stream function
Support all four OBD2 protocols: OBD-I, OBD-II, EOBD, and JOBD
With professional mode
With large DTC database
Powered via diagnostic connector, no additional power is needed
Plug and play, ease to use
Turn off check engine light
High reliable and accurate
Specifications:
Weight: 135g without package, 190g with package
Port: 16-pin OBD II socket
Display: LCD
Power: Directly supplied by diagnostic socket
Protocol: OBD-I, OBD-II, EOBD, and JOBD
Operation:
Turn off the ignition switch. Find the 16pin OBD2 diagnostic connector and plug in the tool. When the "Press any key to start diagnosis" message is displayed, turn on the ignition switch and press any key to continue.
This tool will auto scan which protocol is used by the vehicle. Please wait!
After scanning, the screen will display the test mode selection menu. Press or [down] to select the test mode you want to use.
If you select [Professional Mode], the tool will ask you to select the vehicle make.
Select a make and press [left arrow] key. The screen will display the function menu.
Select [READ DTC]. The screen will ask you select [ALL DTC] or [PENDING DTC]. Select one and press [left arrow] key, if there is no DTC, it will display [NO TROUBLE CODE!]
Otherwise it will display the first DTC and its description. Press [down] key to view the next DTC, if any. Press key to review the previous DTC. Press [right arrow] to return step 5
Select [ERASE DTC] in step 7, you can clear all DTCs of your car
Select [DATA STREAM] at step 5, the screen will display the live data. Press or [down] to scroll the screen. You can start the engine when doing this step.
Package Includes:
One scanner with 16PIN Extension Cable
Applications:
Even if you don't repair your vehicle yourself, knowing the Diagnostic Trouble Code number before taking the vehicle in for repair is good knowledge to have. Once the vehicle is repaired, the Diagnostic Trouble Code(s) can be erased and the Check Engine light turned off using this scan tool.
In areas that require a smog test, an illuminated Check Engine light fails the emission test, even if the repaired vehicle might otherwise pass inspection. This OBD II Scan Tool turns off the Check Engine light.
Another highly useful application for the scan tool is purchasing used vehicles. Used vehicles can have all sorts of expensive mechanical or electrical problems. Since our scanner is a portable device, the buyer can connect the scan tool to the vehicle and in a few seconds determine if the vehicle has detected a problem. Remember, not all Diagnostic Trouble Codes illuminate the Check Engine light and a scan tool is the only way to obtain the information.
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Does My Car Have OBD-II?
All cars and light trucks built and sold in the United States after January 1, 1996 were required to be OBD II equipped. In general, this means all 1996 model year cars and light trucks are compliant, even if built in late 1995.
Two factors will show if your vehicle is definitely OBD II equipped:
1) There will be an OBD II connector as shown below, and
2) There will be a note on a sticker or nameplate under the hood: "OBD II compliant".
The Connector
Pin 2 - J1850 Bus+
Pin 4 - Chassis Ground
Pin 5 - Signal Ground
Pin 6 - CAN High (J-2284)
Pin 7 - ISO 9141-2 K Line
Pin 10 - J1850 Bus
Pin 14 - CAN Low (J-2284)
Pin 15 - ISO 9141-2 L Line
Pin 16 - Battery Power
Where is the connector located?
The connector must be located within three feet of the driver and must not require any tools to be revealed. Look under the dash and behind ashtrays.
The Three Flavors of OBD II
While the parameters, or readings, required by OBD II regulations are uniform, the auto manufacturers had some latitude in the communications protocol they used to transmit those readings to scanners. Naturally, each felt they had the one true way, so I have three different OBD II communications protocols in use.
The big scanner consoles costing thousands of dollars include the decoding software and firmware for all three protocols in their units, making them universal. Less expensive units, for home or small shop use, are usually customized for a specific communications protocol. Be sure the scanner you are using suits the protocol of your car.
What Communications Protocol does my vehicle use?
As a rule of thumb, GM cars and light trucks use SAE J1850 VPW (Variable Pulse Width Modulation). Chrysler products and all European and most Asian imports use ISO 9141 circuitry. Fords use SAE J1850 PWM (Pulse Width Modulation) communication patterns.
There are some variations among captive imports such as the Cadillac Catera, a German Opel derivative, which uses the European ISO 9141 protocol.
On 1996 and later vehicles, you can tell which protocol is used by examining the OBD II connector:
J1850 VPW--The connector should have metallic contacts in pins 2, 4, 5, and 16, but not 10.
ISO 9141-2--The connector should have metallic contacts in pins 4, 5, 7, 15, and 16.
J1850 PWM--The connector should have metallic contacts in pins 2, 4, 5, 10, and 16.
If your vehicle has this style connector, but doesn't have these pins populated, you probably have a pre-OBDII vehicle. To add some confusion, even having the connector with the contacts shown above is not a guarantee of OBD II compliance. This style connector has been seen on some pre-1996 vehicles which were not OBD II compliant.
VEHICLE COVERAGE:
1996 and newer OBDII Vehicles. Some compatible models include: (see link below for full list of tested vehicles)
Ford, Chevrolet, Chrysler, Acura, BMW, Buick, Cadillac, Daewoo, Dodge, Fiat, GMC, Honda, Hyundai, Infinity, Isuzu, Jaguar, Jeep, Kia, Land Rover, Lexus, Mazda, Mercedes-Benz, Mercury, Mini, Mitsubishi, Nissan, Oldsmobile, Peugeot, Pontiac, Porche, Renault, Saab, Saturn, Seat, Skoda, Smart, Suzuki, Toyota, Volkswagen, Audi, Volvo, and many others.
For more information please visit:
www.diydiagnostics.com
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Registered: February 2006