heating AUDI A3 1997 8L / 1.G ATW Engine Readiness Code Workshop Manual

01-71

X
X
X
X
X
X
X
X
Notes for display group 086, display field 1



Diagnostic of catalytic converter

Indication 0 = test was performed
Indication 1 = test was not performed (generate readiness code Page 01
-73
)





Indication always 0




EVAP system

Indication 0 = test was performed
Indication 1 = test was not performed (generate readiness code Page 01
-73
)






Secondary air system

Indication 0 = test was performed
Indication 1 = test was not performed (generate readiness code Page 01
-73
)



Indication always 0







Oxygen sensors

Indication 0 = test was performed
Indication 1 = test was not performed (generate readiness code Page 01
-73
)


Oxygen sensor heating

Indication 0 = test was performed
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01-81


Display fields

1 2 3 4
Display group 030: Oxygen sensor status
Display
X X X
X X X


Indicated
Oxygen sensor status, bank 1, sensor 1
Oxygen sensor status, bank 2, sensor 1


Functional range
0 = off
1 = on 0 = off
1 = on

Specified value
1 1 1
1 1 0

Significance of 3 digit indications in display group 030 X
X
X
Display fields 1 and 2
X Oxygen sensor control: 0= not active; 1 = active
X Operational readiness of oxygen sensor: 0= not active; 1 = active
X Condition of oxygen sensor heater: 0= not active; 1 = active
Note:

The first position of the 3 digit indication (heating) fluctuates between 0 and 1 at certain operation points.
Oxygen sensor control of oxygen sensor behind catalytic converter (bank 1, sensor 2) is not active without engine load,
meaning that the third position of the 3-digit display is 0.

-
Do not start test until indication in display field 1
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