OBD II is a widely - used On - Board Diagnostics standard in various cars. It gives you access to a wealth of data from the engine control unit (ECU), which is super useful when troubleshooting vehicle issues. This OBD - II to DB9 cable is your key to accessing your car's OBDII connector. It comes with OBD II and DB9 female connectors, making it a must - have if you're into car hacking. Here's the pin definition table: P1 DB9 Female P2 OBD II male 1 -- 5 2 -- 4 3 -- 6 4 -- 7 5 -- 14 6 -- 10 7 -- 2 8 -- 15 9 -- 16. The cable is 110 cm (43.31') long and weighs 170 g. In the shipping list, you'll get one DB9 Serial RS232 OBD II cable.


Using this cable is easy. First, locate your car's OBDII connector, usually found under the dashboard. Connect the OBD II male end of the cable to your car's OBDII connector. Then, connect the DB9 female end to your diagnostic device. You're now ready to access your car's engine data. When using the cable, make sure your car's engine is off to avoid any electrical issues. Also, handle the cable gently to prevent damage to the connectors. For maintenance, keep the cable in a dry and cool place. If it gets dirty, you can use a soft, dry cloth to clean it. Avoid using any harsh chemicals as they might damage the cable.