A6 Quattro Sedan V6-3.0L (AVK) (2002)
Air Flow Meter/Sensor: Testing and Inspection
Checking Voltage Supply to Mass Air Flow (MAF) Sensor
Checking Voltage Supply To Mass Air Flow (MAF) Sensor
Test requirements:
-
Fuse for mass air flow (MAF) sensor OK.
-
Fuel pump relay OK; See: Fuel Delivery and Air Induction/Fuel Pump/Fuel Pump Relay/Testing and Inspection
NOTE: Voltage supply to mass air flow (MAF) sensor is from fuel pump relay.
-
Remove cover -1- on right in engine compartment.
-
Disconnect connector (arrow) to mass air flow (MAF) sensor.
-
Connect multimeter as follows to measure voltage.
Connector
Measure to
terminal
2
Engine ground
-
Operate starter briefly.
-
Specified value: approx. battery voltage