Skoda Octavia 1997 Workshop Manual page 34

01
–
Select function 04 „Initiate basic setting" and display
group 060.
For engines with engine code AQY
–
Display field 3:
Specified value: Idling
For engines with engine codes AZH, AZJ
–
Display field 3:
Specified value: 0...8
Continued for all engines
–
Display field 4:
Specified value: ADP runs, ADP o.k.
–
End adjustment only after 30 seconds have passed by
pressing the key.
If one of the above messages appears:
–
Check throttle valve control unit -J338-.
4. step: Diagnosis of secondary air injection system
–
Start engine and run in idle.
Note
The engine must not be switched off during the entire pe-
riod.
–
Select function 04 „Initiate basic setting" and display
group 077.
After initiating diagnosis of engine control unit the mes-
sage in display field 4 changes from „Test OFF" to „Test
ON".
Read-out on the display for engines with engine
code:
AQY, AZH
AZJ
–
Leave engine idling until the following readout ap-
pears in display field 4:
Specification „Syst. o.k."
If the message is not displayed:
–
Interrogate fault memory
If the message is displayed:
5. step: Diagnosis of activated charcoal filter system
(tank vent system)
–
Enter display group 070.
After initiating diagnosis of engine control unit the mes-
sage in display field 4 changes from „Test OFF" to „Test
ON".
01-4 6
page
OCTAVIA 1997
Chapter 01-1.
Self-diagnosis IV
2,0 l/85 kW Engine, Fuel Injection and Ignition System
System in basic setting 60
xx x.x V
°
System in basic setting 60
xx % xx %
System in basic setting 77
xxx.x °C
System in basic setting 77
780/min x.x g/s
Idling ADP runs
8 ADP runs
xx.x % Test ON
x.x g/s Test ON
Edition 01.04
S00.5128.53.20
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