Volkswagen Passat 1995 Official Factory Repair Manual page 1801

VAG 1551 Scan Tool (ST), connecting and selecting 'Engine Electronics' address word 01
System in Basic Setting
1 2 3 4
Display group 116
Display
Indicated Switching time delay of
Heated Oxygen Sensor
(HO2S) after three way
Specification
System will be enriched
Working
range
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07....
116
1
xxxx ms
catalytic converter
Approx. 1200 ms
Work step: 19
Diagnosis: Heated Oxygen Sensor (HO2S) after
three way catalytic converter
Indicated on display (1-4 = display fields)
- Increase engine speed to 2200-2800 RPM for
15 seconds and check specifications.
Display fields
2
xxx.x C
Three way
catalytic converter
temperature
At least 360 C
---
0.0...999.9 C
3
x.xx V
HO2S voltage
after three way conditions
catalytic
converter
At least 0.6 V
---
0...1.0 V
Page 56 of 77
01-62
4
xxxx xxxx
Diagnosis
1011 x100
x = Not
relevant
12/6/2004