AUDI A4 1997 B5 / 1.G APB Engine Motronic Syst

01-109


Display fields

1 2 3 4
Display group 060: Adaptation of throttle valve control module
Display xx % xx %
x
---
Indicated Throttle
valve angle
(angle
sensor 1) Throttle
valve angle
(angle
sensor 2) Adaptation step counter
Adaptation condition
Work area 0 - 100 % 0 - 100 %
0 - 8
ADP. runs
ADP. OK
ADP. ERROR
Specified
value 3 - 93 % 97 - 3 %
8
ADP. OK
Note:


During adaptation, adaptation step counter
must reach the number 8. (Some numbers
may be skipped). If "ADP. ERROR." is displayed:
Check DTC memory Page
01
-15
.
If specified value is not
obtained: Note, Page Page
24
-152
.
Note for display field 3:
During adaptation different digits are displayed in display field 3, which indicate the particular adaptation condition. It is not
important what the adaptation step counter (display field 3) displays during adaptation, rather that display field 4 displays the
Pa
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specification value "ADP. OK.
Pa
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01-110
If specified value "ADP. OK" is obtained:

- Press -C- button.

Work step 4: Diagnosis of EVAP canister
purge regulator valve

- Start engine (vehicles with manual transmission
depress clutch pedal)

Note:
If necessary, ECM must be re-selected with the
"address word" 01 following engine start, and the
function "initiate basic setting" selected with "04."

Test requirements

Engine at idle
Coolant temperature > 85 C (display group
4, display field 3)
Rapid data transfer
HELP
Select function XX

Indicated on display
- Press button -0-, -7- and -0- to select "display group number 070" and
confirm input with -Q- button.
System in Basic Setting 70

When indicated on display
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1
2
3
4
Note:
If test is not initiated or the display jumps from "Test ON" to "Test OFF"
slightly accelerate engine briefly, test will be repeated. - Check specified value in display field 4:
Pa
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01-111


Display fields

1 2 3 4
Display group 070: Diagnostic of EVAP canister purge regulator valve
Display xx % xx.x % xx %
Test ON
Indicated EVAP valve duty
cycle during
diagnosis Oxygen sensor
control deviation
during diagnosis Relative
Ground via
EVAP valve Diagnostic condition
Work
Range min.: 0 %
max.: 100 % min.: -25.0 %
max.: 25.0 %
Test OFF
Test ON
EVAP OK
EVAP n.OK
Abort
Specified
value xx % -5.0 to 4.0 %
xx - xx %
1)
EVAP OK
Note:



If "EVAP n. OK" is displayed: Check DTC
memory Page 01
-15
. Check EVAP canister
purge regulator valve -N80 Page 24
-134

1) A display appears only, if the diagnostic result occurred via deviation from the Idle Air Control (IAC) in a specified tolerance
range and not from deviation from the oxygen sensor control (e.g.: oxygen sensor 1 from EVAP canister). Display field 3 is
only indicated if there is a deviation.
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01-112
If the specified value "EVAP OK" is reached:

- Press -C- button

Work step 5: Diagnosis of tank leak test

Note:
This diagnostic is locked the first 230 seconds
after engine is started.

Test requirements

Engine at idle
Coolant temperature greater 85 C (Display
group 4, display field 3)

Intake air temperature less 95 C (Display
group 4, display field 4)
System in Basic System
Q
Input displa
y group number XXX

When indicated on display
- Press buttons -0-, -7- and -1- to select display group number "071" and
press -Q- button to confirm input.
Pa
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01-113

System in Basic Setting 71
1
2
3
4

When indicated on display
During test is "Test ON" displayed in display field 4. Continue to hold test
conditions until a diagnostic result is displayed in display field 4.
Note: - Check specified value in display field 4:
Test duration for tank leak test takes approximately 60 seconds.Should the diagnosis be repeated several times, open fuel filler cap
each time to release pressure in tank.
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01-114


Display fields

1 2 3 4
Display group 071: Diagnostic of tank leak test
Display Reed open --- System Test
Test ON
Indicated Condition Reed-
contact malfunction
message System
condition Diagnostic condition and Diagnostic result
Work range Reed open
Reed closed Small leak
Large leak
System not OK System Test
Measurement
Measurement
END Test OFF
Test ON
Syst. OK
Syst. not OK
Abort
Specified
value Reed open --- Measurement
END Syst. OK
Note



If "System not OK" is displayed: Check DTC
memory Page 01
-15
.
Pa
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01-115
If specified value in display field "System OK" is
reached:

- Press -C- button.

Work step 6: Diagnosis of fuel supply system

Test requirements

Engine at idle
Oxygen sensor control active
System in Basic S
ystem
Q
Input display group number XXX

When indicated on display
- Press buttons -1-, -0- and -7- to select display group number 107 and
confirm with -Q- button.
System in Basic Setting 107
1
2
3
4

When indicated on display
Note:
If display "Test ON" does not appear in the display field, switch the engine
off and restart afterward and repeat work step 6. (Diagnostic of fuel supply
system)
After the engine has been started it might be necessary to select "Address
word 01" and initiate the function "04 Basic Setting" again. - Check specified values in display field 4.
Pa
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01-116


Display fields

1 2 3 4
Display group 107: Diagnostic of fuel supply
Display xxx /RPM x.x % x.x %
Test ON
Indicated Engine speed
(actual) Oxygen sensor control
average value (Bank 1) Oxygen sensor control
average value (Bank 2) Diagnostic condition
Work
range min.: 750 /RPM
max.:
6800 /RPM min.: -25.0 %
max.: 25.0 % min.: -25.0 %
max.: 25.0 % Test OFF
Test ON
Syst. OK
Syst. n OK
Value 750 - 850/RPM -18.0 % to 12.0 % -18.0 % to 12.0 % Syst. OK
Note

If "Syst. n OK" appears, check
DTC memory Page 01
-15
.
Pa
ge 140 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
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yp
e=re
pair&id=AUDI.B5.FU04.01.1