Skoda Octavia 1997 Workshop Manual page 97

OCTAVIA 1997 2,0 l/85 kW Engine, Fuel Injection and Ignition System
–
Select function 04 „System in basic setting" and dis-
play group 034.
For engines with engine code AQY
–
Increase and maintain engine speed at 2200...2800
rpm until the readout in display field 4 changes from
„Test OFF" to „Test ON".
For engines with engine code AZH
–
Press down the brake pedal.
–
Engine speed is increased and the readout in display
field 4 switches from „Test OFF" to „Test ON".
For engines with engine code AZJ
–
Depress brake pedal and accelerator simultaneously.
–
Engine speed is increased and the readout in display
field 4 switches from „Test OFF" to „Test ON".
Continued for all engines
Note
This may take a few minutes.
Catalytic converter temperature in display field 2 must
be at least 352 ° C.
For engines with engine code AQY
–
Check period in display field 3:
Specified value: max. 2.20 s
–
Maintain engine speed at 2200...2800 rpm until the re-
adout in display field 4 shows "B1 S1 OK".
For engines with engine codes AZH, AZJ
–
Check the dynamic factor in display field 3.
Specified value: min. 0.70
–
Maintain the increased engine speed until the readout
in display field 4 shows "B1 S1 OK".
Continued for all engines
If the specified values are not reached:
–
Conduct a test drive in order to eliminate any residues
on the lambda probe and repeat the test.
Pay attention to safety precautions during the test drive
Chap. 24-1.
If the specified value is again not reached:
–
Replace lambda probe upstream of the catalyst
-G39-.
Edition 01.04
S00.5128.53.20
System in basic setting 34
2800 rpm
System in basic setting 34
2400 rpm
System in basic setting 34
2300 rpm
Check for proper operation
355 °C 2.20 s Test ON
34
355 °C 0.70 Test OFF
352 °C 1.78 Test OFF
24
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