manual transmission AUDI A8 2000 D2 / 1.G ATQ Engine Readiness Code Workshop Manual
Page 17 of 47
01-89
Work step 5: Check operating condition of
oxygen sensor control
- Start engine (for a vehicle with manual
transmission: engage clutch).
Note:
After starting engine, it may be necessary to
select the Engine Control Module (ECM) again
using "address word" 01 and the function "Initiate
basic setting" using "04".
- Install VAG1788/10 RPM adjuster on the
accelerator pedal and raise the engine speed.
Specification: 2200 RPM
Basic Settin
g
Q
Input displa
y group number XXX
When indicated on display:
- Press buttons -0-, -3- and -0- to select "display group number 030" and
press -Q- button to confirm input.
System in Basic Setting 30
1
2
3
4
When indicated on display:
Note:
A few minutes may pass until a diagnostic result is reached. - Check oxygen sensor status in display fields 1 to 4.
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Page 35 of 47
01-103
Display fields
1 2 3 4
Display group 046: Diagnostic of catalytic converter (bank 1)
Display xxxx/min
xxx C
x.x s
---
Indicated Engine
speed
(RPM) Exhaust
temperature Catalytic
converter -
conversion Diagnostic condition
Functional
range 630 to 6800
RPM 70 to 850 C
0.00 to 0.99 Test OFF
Test ON
Cat B1 OK
Cat B1 not OK
Specified
value 2200 RPM
above 420 C 0.00 to 0.52
1)
0.00 to 0.47
2)
Cat B1 OK
Notes
If "Cat B1 not OK" is displayed: Check Diagnostic
Trouble Code (DTC) memory Page 01
-15
. If no DTCs
are stored, replace catalytic converter.
1) Manual transmission 2) Automatic transmission
Pa
ge 35 of 47 Readiness code11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.7
Page 37 of 47
01-105
Display fields
1 2 3 4
Display group 047: Diagnostic of catalytic converter (bank 2)
Display xxxx/min
xxx C
x.x s
---
Indicated Engine
speed
(RPM) Exhaust
temperature Catalytic
converter -
conversion Diagnostic condition
Functional
range 630 to 6800
RPM 70 to 850 C
0.00 to 0.99 Test OFF
Test ON
Cat B2 OK
Cat B2 not OK
Specified
value 2200 RPM
above 420 C 0.00 to 0.52
1)
0.00 to 0.47
2)
Cat B2 OK
Notes
If "Cat B2 not OK" is displayed: Check Diagnostic
Trouble Code (DTC) memory Page 01
-15
. If no DTCs
are stored, replace catalytic converter.
1) Manual transmission 2) Automatic transmission
Pa
ge 37 of 47 Readiness code11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.7