24-81
Mass Air Flow (MAF) sensor,
checking
Notes:
To functionally check the Mass Air Flow (MAF)
sensor Repair Group 01, Basic setting,
display group 001, display field 2.
Component locations page 24
-1 .
Checking voltage supply
Mass Air Flow (MAF) sensor fuse OK
- Disconnect MAF sensor harness connector.
- Switch multimeter (Fluke 83 or equivalent) to measure voltage and
connect between connector terminals 2 (GND) and 3 (B+) using jumper
wires from connector test kit VW 1594.
- Switch ignition ON.
Specified value: approx. 12 to 14 volts
Pa
ge 1 of 5 Mass Air Flow
(MAF
) sensor, checkin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
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24-82
If the specified value is not obtained, perform the
following tests:
- Check Mass Air Flow (MAF) sensor fuse.
- Check wiring for continuity between terminal 3
and fuse using wiring diagram.
Specified value: max. 0.5 ohms( )
- Check wiring for continuity between terminal 2
and intake manifold Ground (GND).
Specified value: max. 0.5
Pa
ge 2 of 5 Mass Air Flow
(MAF
) sensor, checkin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.FU01.24.23
