ignition AUDI A4 1996 B5 / 1.G AFC Engine On Board Diagnostic Multiport Fuel Injection Owner's Manual

01-85

Output on GST and/or on
VAG 1551 scan tool Possible malfunction cause

Malfunction repair
P0461 / 16845
Fuel Lever Sensor Circuit
Range/Performance Wiring connection between Engine Control
Module (ECM) -J192- and instrument panel
insert faulty

- Check fuel level signal page 24
-
107


Malfunction cause found: Yes
No

- Erase DTC memory, test drive and
after test drive, check DTC memory
again
MIL Status:
Malfunction not displayed by
MIL Malfunction on instrument cluster or fuel
level sensor

Repair Manual, Electrical
Equipment - Check instrument cluster
For troubleshooting Display
group 027
Malfunction cause found: Yes


- Erase DTC memory, test drive and
after test drive, check DTC memory
again
Note:
The malfunction "P0461 / 16845" is set with ignition on as soon as a voltage signal over 10.8 V is recognized for longer than
15 sec.
Pa
ge 115 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

Short to B+
_______________________
MIL Status:
MIL lights up immediately

Malfunction cause found: Yes
No

- Erase DTC memory, test drive and
after test drive, check DTC memory
again

Engine Control Module (ECM) -
J192- faulty

- Replace and code engine control
module page 01
-265
erase DTC
memory and test drive check DTC
memory
Note:
If the malfunction "P1213 / 17621" and/or "P1214 / 17622" and/or "P1215 / 17623" is recognized by the engine control
module, the corresponding fuel injector is no longer triggered and the oxygen sensor control is blocked until ignition on.
Pa
ge 144 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

No
after test drive, check DTC memory
again

Engine Control Module (ECM) -
J192- faulty

- Replace and code engine control
module page 01
-265
erase DTC
memory and test drive check DTC
memory
Note:
If the malfunction "P1216 / 17624" and/or "P1217 / 17625" and/or "P1218 / 17626" is recognized by the engine control
module, the corresponding fuel injector is no longer triggered and the oxygen sensor control is blocked until ignition on.
Pa
ge 146 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

01-110

For troubleshooting
Display groups 011, 012,
013
Malfunction cause found: Yes
No

- Erase DTC memory, test drive and
after test drive, check DTC memory
again

Was the control limit reached on only
one cylinder? (e.g. only P1328 is in the
DTC memory)
Yes

- Abnormal engine noises (e.g.
subassemblies loose) check - Check engine for mechanical damage

Malfunction cause found: Yes


- Erase DTC memory, test drive and
after test drive, check DTC memory
again
Notes:

The malfunction "P1325 / 17733" and/or "P1326 / 17734" and/or "P1327 / 17735" is set as soon as the ignition angle is
fully retarded for longer than 180 sec during the trip.
Pa
ge 150 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

01-112

For troubleshooting
Display group 011, 012, 014
Malfunction cause found: Yes
No

- Erase DTC memory, test drive and
after test drive, check DTC memory
again

Was the control limit reached on only one
cylinder? E.g., only P1328 is in the DTC
memory.
Yes

- Abnormal engine noises (e.g.
subassembly loose) check - Check engine for mechanical
damage

Malfunction cause found: Yes


- Erase DTC memory, test drive and
after test drive, check DTC memory
again
Notes:

The malfunction "P1328 / 17736" and/or "P1329 / 17737" and/or "P1330 / 17738" is set as soon as the ignition angle is
fully retarded for longer than 180 sec during the trip.
Pa
ge 153 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

01-113

Output on GST and/or on
VAG 1551 scan tool Possible malfunction cause

Malfunction repair
P1339 / 17747
Crankshaft Pos./Engine Speed
Sensors Cross connected 3-pin connector from Crankshaft
Position (CKP) sensor -G4- and engine
speed (RPM) sensor -G28-

- Disconnect both 3-pin harness
connectors and connect correctly,
installation location page 28
-7
P0322 / 16706
Ignition/Distributor Engine
Speed Input Circuit
No Signal
MIL Status:
MIL lights up immediately Malfunction cause found: Yes

- Erase DTC memory, test drive and
after test drive, check DTC memory
again
Notes:

The malfunction "P1339 / 17747" is set when -G4- and -G28- are transposed.
Pa
ge 154 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

01-116

Output on GST
and/or on VAG 1551
scan tool Possible malfunction cause

Malfunction repair
P1341 / 17749
Ignition Coil Power
Output Stage 1
Short to Ground
-----------------------
P1343 / 17751
Ignition Coil Power
Output Stage 2
Short to Ground
-----------------------
P1345 / 17753
Ignition Coil Power
Output Stage 3
Short to Ground
----------------------- Harness connector for ignition coil power
output stage -N122- loose or corroded due
to moisture in the harness connector

- Check harness connector for tight fit and
contact corrosion, if necessary reconnect
and/or clean, installation location page 28
-
7

Malfunction cause found: Yes

- Erase DTC memory, test drive and after test
Pa
ge 157 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

No
drive, check DTC memory again

Wiring connection to ignition coil power
output stage -N122- faulty or power output
stage -N122- faulty

- Check Power output stage -N122- for
ignition coils page 28
-13


Malfunction cause found: Yes
No

- Erase DTC memory, test drive and after test
drive, check DTC memory again
MIL Status:
MIL lights up
immediately
Engine Control Module (ECM) -J192-
faulty

- Replace and code engine control module
page 01
-265
erase DTC memory and test
drive check DTC memory
Note:
The power output stage is not integrated in the Engine Control Module (ECM) -J192-, it is a separate component.
Pa
ge 158 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

01-121

Output on GST
and/or on VAG 1551
scan tool Possible malfunction cause

Malfunction repair
P1393 / 17801
Ignition Coil Power
Output Stage 1
Electrical Malfunction
-----------------------
P1394 / 17802
Ignition Coil Power
Output Stage 2
Electrical Malfunction
-----------------------
P1395 / 17803
Ignition Coil Power
Output Stage 3
Electrical Malfunction
----------------------- Harness connector for Power output stage
-N122- for ignition coils loose or corroded
due to moisture in the harness connector

- Check harness connector for tight fit and
contact corrosion, if necessary reconnect
and/or clean, installation location page 28
-
7

Malfunction cause found: Yes

- Erase DTC memory, test drive and after
Pa
ge 163 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

No
test drive, check DTC memory again

Wiring connection to Power output stage -
N122- for ignition coils or -N122- faulty

- Check Power output stage -N122- for
ignition coils page 28
-13


Malfunction cause found: Yes
No

- Erase DTC memory, test drive and after
test drive, check DTC memory again
MIL Status:
MIL lights up
immediately
Engine Control Module (ECM) -J192-
faulty

- Replace and code engine control module
page 01
-265
check DTC memory and
test drive check DTC memory
Note:
The power output stage is not integrated in the Engine Control Module (ECM) -J192-, it is a separate component.
Pa
ge 164 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1