Audi Workshop Service and Repair Manuals

Air Flow Meter/Sensor: Specifications

AIR FLOW SENSOR POTENTIOMETER

Resistance between sensor terminals 1 & 2 [1] ..............................................................................................................................................  5K ohms
Resistance between sensor terminals 1 & 3 [1] ..............................................................................................................................................  4K ohms

COLD START VALVE

Resistance .........................................................................................................................................................................................  Approx. 10 ohms

DIFFERENTIAL PRESSURE REGULATOR

Resistance ................................................................................................................................................................................................  17 - 22 ohms
Nominal current @ idle ...........................................................................................................................................................  0-5mA positive current

 
IDLE STABILIZER VALVE

Resistance ......................................................................................................................................................................................................  3-8 ohms
Duty cycle (Dwell) [2] ................................................................................................................................................  varying 27° - 31° (30% - 35%)

[1] Sensor plate in rest position.

[2] Engine idling @ normal operating temperature with no load, electrical or otherwise.