Volkswagen Passat 1995 Official Factory Repair Manual page 1867

Multiport fuel injection and ignition system
Read Measuring Value Block
1 2 3 4
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07.24.1
115
Continuation
If the specification in display field 1 is not
attained, or the value does not fluctuate at least
2%:
- Perform a test drive to remove possible residue
on HO2S and repeat check.
If the the specification in display field 1 is not
attained even after a road test, or the value does
not fluctuate at least 2%:
- Check the O2S heating
If the value displayed in display field 1 remains
constant:
- Press -C- button.
- Press buttons -1-, -1- and -5- to input display
group 115 and press -Q- button to confirm input.
Indicated on display (1-4 = Display fields)
- Note HO2S voltage in display field 3.
Page 28 of 126
24-27
Page 24-35 .
12/6/2004