Why does my obd2 Scanner not work?

Why does my obd2 Scanner not work?

The most common cause of an OBD scanner that won’t turn on is a blown fuse on the vehicle’s OBD socket power supply circuit. If the check engine light fails to aluminate, you ca be sure the fuse has blown. Checking the vehicle’s fuse box and replacing the blown fuse fixes the issue.

What to do if the OBD II scanner doesn’t communicate with the vehicle?

What to do if the OBD II scanner doesn’t communicate with the vehicle. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Do not connect to the body or chassis ground but to the battery terminal directly.

Where are the fuses for the OBD2 scanner?

If not please check the system fuses 17, and 15. Also check the ALDL for corrosion and clean up the terminals as needed. 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.

Why is my OBD2 not connecting to YouTube?

These issues include an incompatible obd2 scan tool, bad fuses, damage in the circuit board, ECU, and failed computer. OBD-II…. Non connecting data Port Issue. *FIXED* This might help you! – YouTube OBD-II…. Non connecting data Port Issue. *FIXED* This might help you! If playback doesn’t begin shortly, try restarting your device.

Can a torque Pro plug in Elm 327 OBD2 scanner?

So I bought a Torque Pro plug in ELM 327 OBD2 scanner for my phone, but when I plug it in there is no communication. So I went to FLAP and they plugged in their scanner, and it says no communication, just like mine. So I looked at the plug in under the dash, and only four the many holes actually have contacts.

What to do if the OBD II scanner doesn’t communicate with the vehicle. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Do not connect to the body or chassis ground but to the battery terminal directly.

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

Where is the trouble code on an Oldsmobile?

When retrieving Oldsmobile trouble codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2. Turn the ignition on. 3.

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.

Why does my OBD2 Scanner not work?

Why does my OBD2 Scanner not work?

The most common cause of an OBD scanner that won’t turn on is a blown fuse on the vehicle’s OBD socket power supply circuit. If the check engine light fails to aluminate, you ca be sure the fuse has blown. Checking the vehicle’s fuse box and replacing the blown fuse fixes the issue.

Where is the ob2 sensor located?

The OBD-II port is usually located under the dashboard, beneath the steering wheel column (1 – 3 in the diagram below). If not located beneath the steering column, look for the port in the areas indicated by numbers 4 – 9.

How do I test my OBD scanner?

How to Test O2 Sensor Using an OBD2 Scan Tool

  1. Insert the OBD2 scan tool connector to the diagnostic link connector (DLC) on your vehicle.
  2. Turn on your vehicle’s engine so that the scanner can communicate with the vehicle’s onboard system.
  3. After the scanner boots, go to the menu and select ‘Trouble Codes’ or ‘Codes’.

Why won’t my car scanner connect?

If the reading is much below 11 volts, some scan tools have problems connecting. If this is the case, inspect the battery and or charging system first. If you read no voltage between pins, a blown fuse is most likely the problem. If so, replace the fuse and recheck your power.

Where is the OBD2 port on an Acura TL?

On older Acuras, the OBDII port is located behind the coin train in the center console. This was a common location for Acura TL, CL, and TLS manufactured around year 2000s. Remove the plastic piece and you will see the 16 pin OBD2 port. Around the year 2003, the port was moved to under the dashboard, to the right of the steering column.

Why is my ECU not connecting for OBD2 scan?

The next time u go try to get your codes read make sure they turn your key all the way so it’s positioned right before you turn the car on, might sound lame but every time I go someplace to get my codes read the people will turn the key to the first notch and then look stupid as they turn around and say, I can’t figure out why it’s not connecting.

What do you need to know about the OBD2 port?

Not only do you need to know the location of the OBD-II port to diagnose check engine light, ABS, or airbag, but you need to access this port to pass state inspection and emission tests. To diagnose the check engine light, you can use an Engine Code Reader. To diagnose other systems such as ABS or Airbag, you need a Multi-System OBD-II Scanner.

On older Acuras, the OBDII port is located behind the coin train in the center console. This was a common location for Acura TL, CL, and TLS manufactured around year 2000s. Remove the plastic piece and you will see the 16 pin OBD2 port. Around the year 2003, the port was moved to under the dashboard, to the right of the steering column.

What to do when your OBD2 scanner does not power when you plug it in?

It will happen. You hook up your scanner to the obd2 port and your scanner will not turn on. This is when you must know a little electrical diagnosis to solve the problem. Check the wiring diagram, then check the fuse to the obd2 port. Easy, peasy, japaneasy. Check out my online store and pick up all your mechanic supplies! Service Businesses.

Why is my scan port not working on my car?

Remember that your car or truck might have more than one fuse box. This should be covered in your owner’s manual or a proper service manual. Another reason for getting no reading is that the scan port has become clogged with dust after years of not being used.

Not only do you need to know the location of the OBD-II port to diagnose check engine light, ABS, or airbag, but you need to access this port to pass state inspection and emission tests. To diagnose the check engine light, you can use an Engine Code Reader. To diagnose other systems such as ABS or Airbag, you need a Multi-System OBD-II Scanner.