Where does the power come from on the OBD II?
The power is pulled from the pos and neg ports on the obd ii. There is something wrong with your communication wire Communication line does not provide the power. The power is pulled from the pos and neg ports on the obd ii. There is something wrong with your communication wire Click to expand… This is what I feared…..
What to do if your OBD2 is not communicating?
Check your fuses. Look for the one labeled “accessory”, “ACC”, “CIG”, etc. on the label on the fusebox lid. If you aren’t getting power at the port (easy to test with your multimeter), the fuse is likely the issue.
How does OBD II work for emissions testing?
A single misfire will cause a subtle change in the speed of the crank. OBD II tracks each and every misfire, counting them up and averaging them over time to determine if the rate of misfire is abnormal and high enough to cause the vehicle to exceed the federal emissions limit.
Is there a fuse for the OBD port?
There’s a fuse for that port under the hood too. May even be one in the inside fuse box on drivers side of the dash. Check ur fuses Communication line does not provide the power. The power is pulled from the pos and neg ports on the obd ii. There is something wrong with your communication wire Communication line does not provide the power.
Why is the OBD port on my scanner not working?
If you are trying to connect your scanner to the OBD Port it does not work, does not communicate with the car we will show you how to fix that. Usually there is a fuse for the OBD port, if you cannot find they the fuse for the cigarette lighter and the auxiliary ports. Instagram: https://www.instagram.com/worldmechan…
The power is pulled from the pos and neg ports on the obd ii. There is something wrong with your communication wire Communication line does not provide the power. The power is pulled from the pos and neg ports on the obd ii. There is something wrong with your communication wire Click to expand… This is what I feared…..
How do you pass the OBD-2 emissions test?
To pass an OBD-II emissions test, a vehicle must: If you clear the ‘Check Engine’ light, or reset the OBD-II monitors right before your emissions test, your vehicle typically will not pass because the catalyst and EVAP monitors need time to run.
There’s a fuse for that port under the hood too. May even be one in the inside fuse box on drivers side of the dash. Check ur fuses Communication line does not provide the power. The power is pulled from the pos and neg ports on the obd ii. There is something wrong with your communication wire Communication line does not provide the power.