Skoda Octavia 1997 Workshop Manual page 58

01
Analysis of display group 036, display field 1 - lambda probe voltage, lambda probe downstream of
catalytic converter
Display field: 1
constant
0.00..0.30 V
possibly constant
0.70...1.00 V
between
1.00
1.10 V
constant
0.40 ...0.50 V
constant
0.00 V
1)
For engines with engine code AZH
Display group 037, lambda control - operational readiness downstream of catalytic converter (for
engines with engine codes AEG, APK, AQY)
•
Engine idling
•
Control unit in function 04 - initiate basic setting
System in basic setting 37
xxx.x % x.xxx V
1 2
Engine load
01-6 8
page
OCTAVIA 1997
–
–
–
–
–
–
–
–
–
1)
–
xxxx ms Text
3 4
Test lambda probe down-
stream of catalytic con-
verter (B1 S2 OFF/B1 S2
ON/B1 S2 OK/B1 S2 not
OK)
Waiting time of lambda control up-
stream of catalytic converter
Lambda probe voltage downstream of catalytic
converter
2,0 l/85 kW Engine, Fuel Injection and Ignition System
Rectifying fault
Testing the intake system for tightness (unmetered air)
Inspect the spark plugs
Test fuel pressure regulator and holding pressure
Test injectors Chapter 01-4, Final control diagnosis
Test coolant temperature sender
Test tank ventilation Chapter 01-4, Final control diagnosis
Test lambda probe heater downstream of catalytic converter
Chapter 24-3
Testing lambda probe and lambda control downstream of catalyt-
ic converter Chapter 24-3
Test lambda probe heater downstream of catalytic converter
Chapter 24-3
Testing lambda probe and lambda control downstream of catalyt-
ic converter Chapter 24-3
Readout on display
Display field
Self-diagnosis VI
Inspection and Maintenance
Chapter 24-1
Specification
B1 S2 o.k.
-1200...1200 ms
0.00...1.00 V 01-6 page 8
15...35 %
Chap. 24-2
Analysis
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Edition 01.04
S00.5128.53.20