Why is my PCM not connecting to the OBD2 port?

Why is my PCM not connecting to the OBD2 port?

If no ground the circuit is broken somewhere between the OBD2 connector and the PCM If the ground is good then it is either a bad connection on pin 2 back to the PCM or a Bad PCM itself, which I suspect is the problem. Note that the OBD2 port is fused.

Can a Mazda MPV not communicate with OBD2?

I once worked on a Mazda MPV with a similar problem. OBD II Scanner refuses to communicate with the vehicle! the BCM will kill the obd2 port. probe off the diagram and I bet BCM controls the ground like it does on fog lights, windows, and gauges.

What is the location of the OBD port?

The OBD Port, is the location where you can plug in any OBD tool into the vehicle to pull vehicle information. It is also the primary location of tracking devices such as dongles as the port provides ongoing power to the device. There are two generations of OBD ports, OBD1 and OBD-ii aka OBD2.

Why is my OBD2 probe not making contact?

One of the pins in the connector is pushed back into the housing, or bent out of shape, so far that your tool’s OBD2 cable can’t make contact. This is easy to do with a probe if you’re not careful. Your probe will make easier contact than the diagnostic cable (or module or whatever) since you can wiggle it around.

Where is the OBD2 port on a Mitsubishi Montero?

OBD2 port Mitsubishi Montero (1999 – 2006) – Find your plug ! Where is my OBD2 port ? All vehicles are equipped with an OBD port to which you can connect your klavkarr diagnostic case.

Where is the reset button on a Mitsubishi Montero?

The diagnostic port is on the driver’s-side, beneath the steering wheel. Wait for the scanner to read the system and then press “Clear” or “Reset” to reset the service engine light. Resetting the service engine light will not make the light go away for good, unless you have fixed the problem.

Why is the OBD2 port pinout not communicating?

Thanx in advance. Here is is the OBD2 port pinout, a bad ground will prevent communication, pin 5 is a ground. See if it has a good ground. Key off and use a good 10 megaohm impedance ohmmeter to test the pin 5 to ground. If no ground the circuit is broken somewhere between the OBD2 connector and the PCM

I once worked on a Mazda MPV with a similar problem. OBD II Scanner refuses to communicate with the vehicle! the BCM will kill the obd2 port. probe off the diagram and I bet BCM controls the ground like it does on fog lights, windows, and gauges.

Posted In Q&A