Oil Temp sensor wiring harness issues

OilLeaks · 04-13-2020, 10:47 AM

Quote:

Originally Posted by SonicVQ

If the oil temp is showing a high temperature with the sensor unplugged, I suspect the oil temp signal wire is shorted to ground.

To verify the wiring:
With the sensor unplugged and ignition on (and engine not running) check for voltages at the harness:
• One wire should have about 5 volts from ground.
• The other wire should have 0 volts (or close it) from ground.

Good luck!

So just to clarify... I check the wires for voltage one at a time by putting the red multimete probe on one wire & the black probe on a common grounded area? One should read 5v & the other 0v? The wires are green / black.

Under normal circumstances, if the oil temp sensor is unplugged, does the car default to a high reading or what should happen?

The sensor was replaced & is new.

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