Volkswagen Passat 1995 Official Factory Repair Manual page 1897

Multiport fuel injection and ignition system
Display group 130: Heated Oxygen Sensor (HO2S) aging (monitoring signal frequency of HO2S)
Display xxxx RPM
Indicated Engine
speed
Working
650 - 6000
range RPM
Specification 2200 -
2800 RPM
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07.24.1
Note:
So that the exhaust gas temperature is within
specification range during the test, the test RPM
must be held for at least 1 minute. Observe the
O2S control status in display field 4.
1
xx.xx sec.
HO2S before three way
catalytic converter, signal
frequency
0.00 - 5.00 sec.
0.00 - 2.80 sec.
- If specification is not attained
- Press -C- button.
- Press buttons -1-, -3- and -1- to input display
group 131 and press -Q- button to confirm input.
Display fields
2
Valid HO2S signal
frequency (counted)
continuation
3
xxx
O2S control
0 - 4
4
Page 24-58 , Relevance
Page 24-59
Page 58 of 126
24-57
4
xxxxxxxx
status
-
1111x100
12/6/2004