battery AUDI A4 1995 B5 / 1.G AFC Engine Oxygen Sensor Control Checking Before Converter Workshop Manual

24-46
If a constant sensor voltage of 0.000V is
displayed, there is a short to Ground (GND).

- Check DTC memory Repair Group 01. If sensor voltage is constant between 0.350 and
0.450 volts, the signal is interrupted:

- Check DTC memory page 01
-13
.
If sensor voltage is a constant 2.550 volts, there
is a short to battery positive voltage (B+):

- Check DTC memory page 01
-13
.

- If sensor voltage is a constant 0.0 to 0.3 volts,
the oxygen sensor measures a lean mixture:

- Check DTC memory page 01
-13
.

- If sensor voltage is a constant 0.6 to 0.9 volts,
the oxygen sensor measures a rich mixture:

- Check DTC memory page 01
-13
.

- Press -C- button.Read measuring value block
Q

- Indicated on display
Pa
ge 3 of 7 Ox
yg
en Sensor
(O2S
) control, checkin
g (before three wa
y catal
ytic converter
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.24.11