catalytic converter AUDI A4 1995 B5 / 1.G AFC Engine Heated Oxygen Sensor After Converter Checking Workshop Manual

24-53


Heated Oxygen Sensor
(HO2S) after Three Way
Catalytic Converter (TWC),
checking

Notes:

G130 = O2S behind three way catalytic
converter, bank 1
G131 = O2S behind three way catalytic
converter, bank 2
For functional check of O2S behind three way
catalytic converter -G130- or -G131- Repair
Group 01, Read measuring value block, display
group 041

- Disconnect connector for O2S behind three way
catalytic converter -G130- or- G131- (component
locations page 24
-1 ).

If there is continuity: - Using multimeter (Fluke 83 or equivalent) set for measuring resistance
( ), check for continuity (short circuit) between oxygen sensor
terminals 3 (GND wire) and 4 (signal wire).
Pa
ge 1 of 7 Heated Ox
yg
en Sensor
(HO2S
) after Three Wa
y Catal
ytic Converter
(TWC
), checkin
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