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What should the voltage reading on a DLC be?

What should the voltage reading on a DLC be?

When voltage reading appears, it should read between 1.5 volts upto 2.5 volts depending on the make of the vehicle. Pin 16 is 12 volts all the time for all makes of vehicle. TIP WHEN YOU ARE NOT SURE ABOUT THE VOLTAGE READING Get hold of a wiring diagram first so you will know what pin at the DLC is working.

What to do when your scanner is not working?

TIP WHEN YOU ARE NOT SURE ABOUT THE VOLTAGE READING Get hold of a wiring diagram first so you will know what pin at the DLC is working. Then sometimes by unplugging or ISOLATING the bad network bus wire or module, you will see a change in the voltage reading.

When does no communication result of your scanner show up?

With your voltmeter negative lead connected to the battery ground post and positive lead connected to following terminal pins: Pin 1 is zero voltage or 5-7 volts for GM, Ford, Chrysler and Toyota vehicles for 2003-2005 model year. Voltage reading could start showing up in 2007 model year which depends on type of vehicle.

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.

When voltage reading appears, it should read between 1.5 volts upto 2.5 volts depending on the make of the vehicle. Pin 16 is 12 volts all the time for all makes of vehicle. TIP WHEN YOU ARE NOT SURE ABOUT THE VOLTAGE READING Get hold of a wiring diagram first so you will know what pin at the DLC is working.

Why is my OBD 2 scanner not working?

Connect positive DMM lead to DLC Battery + terminal Connect negative DMM lead to battery ground terminal This tests the ECM Voltage supply as no power may be caused by a blown lighter fuse TEST 5: Connect positive DMM lead to either DLC bias terminals Connect negative DMM lead to the ground terminal

TIP WHEN YOU ARE NOT SURE ABOUT THE VOLTAGE READING Get hold of a wiring diagram first so you will know what pin at the DLC is working. Then sometimes by unplugging or ISOLATING the bad network bus wire or module, you will see a change in the voltage reading.

With your voltmeter negative lead connected to the battery ground post and positive lead connected to following terminal pins: Pin 1 is zero voltage or 5-7 volts for GM, Ford, Chrysler and Toyota vehicles for 2003-2005 model year. Voltage reading could start showing up in 2007 model year which depends on type of vehicle.

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Ruth Doyle