Automotive industry chemicals providers serve as the partners of car owners in making sure that their car performs at its peak. They understand the necessity of proper care and maintenance of vehicles and how to go about it. They are the ones whom their clients turn to for proper advice and guidance in using chemicals for car maintenance.Chemical providers know that choosing quality chemicals ensures not only the efficiency of vehicles, but also their longevity. Using sub-standard chemicals can have a number of unfavorable effects, such as a need for constant upkeep of the car, which takes a lot of time, money and effort, as well as deterioration of the car’s performance over time.The quality of industrial chemicals is of paramount importance, as this contributes to sales and maintaining good working relationships with clients. Given this, chemical providers need to partner with distributors whose products pass the strict industry standards and approvals. In addition, distributors with years of experience in the field have proper knowledge and established relationships with manufacturers that allow them to provide the best products and services. All these partnerships and experience also allow distributors to offer competitive prices to clients.Automotive industry chemicals providers need to find distributors who can offer blending, drop shipping and private labeling to help them provide their clients with the best chemical solutions and service. These distributors need to be able to work with them closely in order to determine their specific needs and customize a formulation to address these.
When you have a car, you know the importance of having a mat to protect the floors of your vehicle. Water, mud, salt or sand can possibly damage the floors of the vehicle. So the use of automotive floor mats is recommended to protect your car from casual damage.These mats can keep your car interior in good-looking condition. They are available for all models (years) of cars. They also come in different colors to match the color of your car’s interior or exterior.When you use the automotive floor mats under your feet when you drive, you protect against dirt that can attack the floor of your vehicle. The mats are removable and washable so if you spilled your coffee or dropped some snacks then you can get them off the mat easily. The mats provide protection against all the weather conditions. For example if you are traveling on a rainy day, they can protect your car interior from getting splashed with mud and sand.Automotive floor mats can also prevent scratches and rips that may occur on the car floor, when you are wearing your shoes. The mats hold the friction generated by the shoes, thus avoiding contact with the actual car floor.When you have visitors, guests, and kids who are using your car, their shoes and footwear can have mud and dirt on them. By using automotive mats, you protect your car interiors from the mud and dirt.There are also all-weather car mats available as cover for automotive floors. These all-weather mats are made from high-tech materials. They do not harden, crack, or curl and are comfortable with your footwear. They have protective non-stick finish on them. You can just remove them from your car and wash any visible dirt or grime using a garden hose.These mats protect your car interiors from snow, mud and other footwear-borne grime. Automotive floor mats are available for all kinds of vehicles. They have both function and aesthetic value and are a good accessory for any type of vehicle. They are functional in the sense they protect the vehicle floor, and they are aesthetic because they enhance the appearance of the vehicle.Automotive floor mats are the same as car flooring mats. They protect against dust, water, soil, and unwanted dirt entering your car interiors. Snow or water can soak through a carpet and rust the car body. But these mats are made from durable materials and they prevent this phenomenon of water soaking through to the car floor. The mats are made to withstand rough wear and tear that comes with heavy usage. They can withstand the test of time and are good for many years after purchase.There are also carpet floor mats available but all-weather type car mats are decidedly better. They are available in many colors to match your car color. The standard colors available are black, tan and grey.
The KWP2000 protocol has become a de facto standard in automotive diagnostic applications. It is standardized as ISO 14230-3. KWP2000 describes the implementation of various diagnostic services you can accethrough the protocol. You can run KWP2000 on several transport layers such as K-line (serial) or CAN.Transport Protocol
As KWP2000 uses messages of variable byte lengths, a transport protocol is necessary on layers with only a well defined (short) message length, such as CAN. The transport protocol splits a long KWP2000 message into pieces that can be transferred over the network and reassembles those pieces to recover the original message.KWP2000 runs on CAN on various transport protocols such as ISO TP (ISO 15765-2), TP 1.6, TP 2. 0 (Volkswagen), and SAE J1939-21. For KWP2000, the Automotive Diagnostic Command Set supports only the ISO TP (standardized in ISO 15765-2) and manufacturer-specific VW TP 2.0 transport protocols.Diagnostic Services
The diagnostic services available in KWP2000 are grouped in functional units and identified by a one-byte code (ServiceId). The standard does not define all codes; for some codes, the standard refers to other SAE or ISO standards, and some are reserved for manufacturer-specific extensions. The Automotive Diagnostic Command Set supports the following services:• Diagnostic Management
• Data Transmission
• Stored Data Transmission (Diagnostic Trouble Codes)
• Input/Output Control
• Remote Activation of RoutineUpload/Download and Extended services are not part of the Automotive Diagnostic Command Set.Diagnostic Service Format
Diagnostic services have a common message format. Each service defines a Request Message, Positive Response Message, and Negative Response Message. The Request Message has the ServiceId as first byte, plus additional service-defined parameters. The Positive Response Message has an echo of the ServiceId with bit 6 set as first byte, plus the service-defined response parameters.The Negative Response Message is usually a three-byte message: it has the Negative Response ServiceId as first byte, an echo of the original ServiceId as second byte, and a ResponseCode as third byte. The only exception to this format is the negative response to an EscapeCode service; here, the third byte is an echo of the user-defined service code, and the fourth byte is the ResponseCode. The KWP2000 standard partly defines the ResponseCodes, but there is room left for manufacturer-specific extensions. For some of the ResponseCodes, KWP2000 defines an error handling procedure. Because both positive and negative responses have an echo of the requested service, you can always assign the responses to their corresponding request.Connect/Disconnect
KWP2000 expects a diagnostic session to be started with StartDiagnosticSession and terminated with StopDiagnosticSession. However, StartDiagnosticSession has a DiagnosticMode parameter that determines the diagnostic session type. Depending on this type, the ECU may or may not support other diagnostic services, or operate in a restricted mode where not all ECU functions are available. The DiagnosticMode parameter values are manufacturer specific and not defined in the standard. For a diagnostic session to remain active, it must execute the TesterPresent service periodically if no other service is executed. If the TesterPresent service is missing for a certain period of time, the diagnostic session is terminated, and the ECU returns to normal operation mode.GetSeed/Unlock
A GetSeed/Unlock mechanism may protect some diagnostic services. However, the applicable services are left to the manufacturer and not defined by the standard.You can execute the GetSeed/Unlock mechanism through the SecurityAccess service. This defines several levels of security, but the manufacturer assigns these levels to certain services.Read/Write Memory
Use the Read/WriteMemoryByAddress services to upload/download data to certain memory addresses on an ECU. The address is a three-byte quantity in KWP2000 and a five-byte quantity (four-byte address and one-byte extension) in the calibration protocols. The Upload/Download functional unit services are highly manufacturer specific and not well defined in the standard, so they are not a good way to provide a general upload/download mechanism.Measurements
Use the ReadDataByLocal/CommonIdentifier services to access ECU data in a way similar to a DAQ list. A Local/CommonIdentifier describes a list of ECU quantities that are then transferred from the ECU to the tester. The transfer can be either single value or periodic, with a slow, medium, or fast transfer rate. The transfer rates are manufacturer specific; you can use the SetDataRates service to set them, but this setting is manufacturer specific. The Automotive Diagnostic Command Set supports single-point measurements.Diagnostic Trouble Codes
A major diagnostic feature is the readout of Diagnostic Trouble Codes (DTCs). KWP2000 defines several services that access DTCs based on their group or status.Input/Output Control
KWP2000 defines services to modify internal or external ECU signals. One example is redirecting ECU sensor inputs to stimulated signals. The control parameters of these commands are manufacturer specific and not defined in the standard.
Remote Activation of a RoutineThese services are similar to the ActionService and DiagService functions of CCP. You can invoke an ECU internal routine identified by a Local/CommonIdentifier or a memory address. Contrary to the CCP case, execution of this routine can be asynchronous; that is, there are separate Start, Stop, and RequestResult services. The control parameters of these commands are manufacturer specific and not defined in the standard.External References
For more information about the KWP2000 Standard, refer to the ISO 14230-3 standard.