OBDII/EOBDII Car Tool Trouble Code Reader

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Origin:

China

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Telegraphic Transfer (T/T)

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Introduction
If your car's Check Engine Light is on, you need this device. CTOOLS (OBDII OR EOBDII scanner) is a mini scanner for real-time automotive diagnosis based on the OBDII protocol, By simply connecting CTOOLS with the diagnostic socket, the user will be able to read the trouble code, identify and locate the troubles by consulting the trouble code list on the user's manual. Each trouble code discovered will be displayed on CTOOLS for 3 times. 5 cycles later all the trouble codes will be automatically erased. To prevent the code being erased simply remove the unit. This is a stand alone unit, it does not need a laptop computer to operate.

Features
· Automatic reading and erasing of trouble codes
· Extinguishes the Check Engine light
· Small and portable
· Easy to use
· Cost-effective
· Special for individual users
· Highly accurate
Specifications
· Dimensions: 6cm x 3cm x 2cm, (2 1/2" x 1" x 3/4")
· Weight: 0.21kg
· Port: 16-pin OBD II socket
· Display: LED (4 moving digits)
· Power: Directly supplied by diagnostic socket
· Protocol: SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2
Operations
When your “Check Engine" light or "Service Engine Soon" light is on, stop the car and apply the parking brake, start the engine then plug the scanner to the 16-pin diagnostic socket usually located under the instrument panel in the car. The trouble codes will flash four times. At fifth time the code will be cleared, or they will remain in the engine control unit if the scanner is put out before four times displayed.
Package Includes
· one scanner
· one 16 Pin to 16 Pin Extension Cable
· one User's Manual with DTC codes
Applicable Vehicles
This item works with three Protocols: SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2.

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Does My Car Have OBDII?
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.
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.
*Will not work on most Japanese Imports, Audi, Mercedes, Subaru, Volkswagen, Volvo and most 1995 and pre 1995 vehicles

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