MAF WIRING DIAGRAM FOR 2001 3.0
#1
MAF WIRING DIAGRAM FOR 2001 3.0
My check engine light came on and ran diagnostic check with my code reader. It said I had a code P0102, Mass air flow circuit low input. Went ahead and ordered a new MAF and before I install it, I would like to check the wiring harness (6 wires) to make sure there are no shorts in the harness or in the circuit for the MAF. Does anyone have a wiring diagram for the MAF, or can suggest which is the best way to go about in checking the wiring circuit?
Thank you in advance.
GHR
Thank you in advance.
GHR
#2
Welcome to the forum
Cleaning and Testing info here: https://therangerstation.com/tech_li...CleanMAF.shtml
MAF senor is a Heated wire sensor, so it gets 12v with key on to heat it up, so 2 of the 4 wires are for the Heater inside, A and B in the drawing, usually Red(12v) and Black(ground) wires
The other 2 wires are for the sensor part, usually Tan/blue and Blue/red
Key on connector unplugged I think you should see blue/red wire as 5volts, tan/blue is the signal return so probably 0v
Cleaning and Testing info here: https://therangerstation.com/tech_li...CleanMAF.shtml
MAF senor is a Heated wire sensor, so it gets 12v with key on to heat it up, so 2 of the 4 wires are for the Heater inside, A and B in the drawing, usually Red(12v) and Black(ground) wires
The other 2 wires are for the sensor part, usually Tan/blue and Blue/red
Key on connector unplugged I think you should see blue/red wire as 5volts, tan/blue is the signal return so probably 0v
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