Mazda Workshop Service and Repair Manuals

Air Flow Meter/Sensor: Specifications

AIR FLOW SENSOR

Resistance between terminals @ 68°F (20°C)

E2-VS [1] ...........................................................................................................................................................................................  20 ohms - 600 ohms
E2-VS [2] ............................................................................................................................................................................................  20 ohms - 1K ohms
E2-VC .......................................................................................................................................................................................................  200 - 400 ohms
E2-THA (intake air temperature sensor) @

-4°F (-20°C) ..........................................................................................................................................................................................   10K - 20K ohms
68°F (20°C) ..............................................................................................................................................................................................   2K - 3K ohms
140°F (60°C) .................................................................................................................................................................................   400 ohms - 700 ohms

INTAKE AIR TEMPERATURE SENSOR (DYNAMIC CHAMBER)

Resistance @ 

77°F (25°C) .........................................................................................................................................................................................   29.7 - 36.3K ohms
185°F (85°C) ...........................................................................................................................................................................................   3.3 - 3.7K ohms

EGR FUNCTION SENSOR

Resistance between terminals:

B-C ........................................................................................................................................................................................................  Approx. 5K ohms
A-C ..............................................................................................................................................................................................................  0.7 - 5K ohms
A-B ..............................................................................................................................................................................................................  0.7 - 5K ohms

FUEL INJECTOR

Resistance @ 68°F (20°C) ...............................................................................................................................................................................  12 - 16 ohms

IDLE AIR CONTROL VALVE

Resistance @ 68°F (20°C) ...............................................................................................................................................................  10.7 ohms - 12.3 ohms

THROTTLE POSITION SENSOR

Voltage at PCME terminal 2F

Fully closed ........................................................................................................................................................................................................  0.1 - 1.1V
Fully opened ........................................................................................................................................................................................................ 3.0 - 4.3V

ENGINE COOLANT TEMPERATURE SENSOR

Resistance @

-4°F (-20°C) .........................................................................................................................................................................................   14.6 - 17.8K ohms
68°F (20°C) .............................................................................................................................................................................................   2.2 - 2.7K ohms
176°F (80°C) ...........................................................................................................................................................................................   0.2 - 0.4K ohms

[1]

Air flow sensor plate fully closed

[2]

Air flow sensor plate fully open