The Electronic Management Unit (ECU) in a automobile provides ammo on now problems that the automobile may be experiencing, besides as issues that could develop into problems in the final.5. Select an OBD2 personal reader that can support all protocols. The standard protocols include SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2, ISO 14230 KWP2000 and ISO 15765 CAN.
Clinch the type of OBD2 personal reader you extremity. Some readers can stand on their own while others crave supplementary Accoutrement, cherish a laptop personal computer. Handheld readers are intelligible to function and transport while PC-based readers hold unlimited storage ability and higher-resolution screens (detect Money below).
2. Look for a reader that can read both generic codes and manufacturer-specific codes. Generic codes are those that are required by law and they range from P0100 to P1000. Manufacturer-specific codes are those created by manufacturers for specific cars and these codes are all higher than P1000.
3. Purchase a reader made specifically for the type of car you drive. For example, if you drive a Volkswagen or Audi, you may benefit most from a code reader created specifically to identify problems that are unique to these cars.
4. Select a personal reader that can clear besides as read the Diagnostic Trouble Codes (DTCs). Such readers are able to erase all the codes that appear, too as turn off the "Check Engine" light.
The OBD2 reader downloads this facts in the cast of codes and then translates these codes into a format that the owner or mechanic can figure out. There are many types of personal OBD2 readers available for buy, ranging from basic to new.
Instructions
1. The pins that are available on the 16-pin female port in your car indicate which of these protocols is compatible with the computer in the car.6. Select a reader that can display codes in more than one language. If you are multi-lingual, or you travel frequently to other countries, a reader with such a feature may be important to you.