Volkswagen Passat 1995 Official Factory Repair Manual page 1059

Multiport fuel injection and ignition system
Relevance of values in 8-digit number block
x x x x x x x x
1
1
1
1
1
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Relevance when display = 1
O2S control status (display
1 HO2S ready (before TWC)
1 HO2S ready (after TWC)
1 O2S control active (before
TWC)
O2S adaptation active
Not relevant
HO2S voltage initial sign
Not relevant
1 = O2S control regulating
frequency rich
0 = O2S control regulating
frequency lean
group 025)
O2S control status (display
group 115)
Malfunction in DTC memory
Malfunction detected during
this diagnosis
Diagnosis completed during
this drive
Diagnosis currently active
O2S control active (before
TWC)
HO2S ready (before TWC)
Both HO2S cold
O2S heating on (before TWC)
Page 48 of 144
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6/12/2004