Do you need a fuse for the OBDII port?

But, I believe that the “C4” version of SDS (the wifi version most shops have now) has its own power supply, so it can talk to the car’s systems over OBDII without that fuse. The older C3 version of SDS (with the RS232 breakout box), like most generic OBDII scanners, does require power from the OBDII port. One more update to this thread.

Why is my OBD2 scan not working properly?

But after conducting research online and speaking to different mechanics and technicians, I found out that a wide range of problems can cause it. These issues include an incompatible obd2 scan tool, bad fuses, damage in the circuit board, ECU, and failed computer.

Where can I get an OBD code scanned?

You can have your codes scanned free at most auto parts chain stores. If you’ve plugged into your car’s diagnostic port and aren’t reading anything, you might think that your OBD-II brain has been fried, but don’t declare it dead yet. The most common reason for getting no OBD code is simply a blown fuse.

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

Is there a fuse ID for OBD2 scanner?

Here is a wiring diagram which pertains to most cars showing the power going to the ALDL connector. (below) If anyone reading this needs the wiring and the fuse ID to there car please send there request here. Also, check to see if the scanner works on a different car. We are here to help and tell a friend. helpful? No.

Why is my OBD2 scanner not communicating with my car?

Each time I have tried scanning my vehicle for codes using the OBDII scanner, there is a message on the scanner stating that it is unable to communicate with vehicle. There are lots of issues with my car, but I am not able to correct them because of the OBDII issues.

When to turn OBD 2 scanner for I / m readiness?

You should then turn the OBD 2 scanner again for I/M readiness. This is important because in the event that your car goes for an inspection at the DMV or an independent station, the technician will normally test for I/M readiness using their own scan tool. You certainly won’t get a sticker if your car fails to pass the test.

Is there another fuse location under the hood?

Check fuse #62, under the hood. Check fuse #62, under the hood. Click to expand… Thanks for that suggestion. I just double checked the fuses under the hood in the compartment with the 38 pin port and the diagram only shows fuses up to #45 under the hood or under the back seat. Is there another fuse location under the hood?

Why is the fuse on my Tacoma not working?

And others pop the fuse or fry the relay in the fuse box under the hood. The lower trim with the outlets is taken off when a stereo is installed (or removed). It’s possible someone just forgot to plug the outlets in the last time it was off… I neglected to mention that my tacoma is 1995/96.

Is there a 12V fuse in my truck?

Every fuse in the truck seems to be OK. Take the socket out and see if there is 12V at the plug (connector). Now that you have the socket out, use your meter and find out where the continuity stops. There is indeed a fusible link (very small) where the 2 spade lugs are located.

Do you need a fuse for the OBDII port?