1998 AUDI A4 ignition

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

01-138

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

Malfunction repair
P1600 / 18008
Power Supply (B+)
Terminal 15
Low Voltage Battery discharged or faulty

Repair Manual, Electrical
Equipment, Repair Group 27
- Check and charge battery

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 Bad ground connection to Engine Control
Module (ECM) -J192-

- Check voltage supply to the Engine
Control Module (ECM) -J192-
page 28
-27


Malfunction cause found: Yes
No

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

Excessive current draw with ignition off (e.g.
because of luggage compartment light on
continuously, etc.)

- Carry out holding current test. The
holding current must be greater than
50 mA
For troubleshooting
Display group 001
Malfunction cause found: Yes
No

- Erase DTC memory, test drive and
after test drive, check DTC memory
again
Pa
ge 186 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

01-140

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

Malfunction repair
P1602 / 18010
Power Supply (B+)
Terminal 30
Low Voltage The malfunction is set when the
battery/control module is disconnected
with ignition on or with a starting attempt
with ignition/control module
disconnected

- The malfunction is erased after the second engine
start if there is sufficient supply voltage. Therefore,
start car after battery/control module is
disconnected; shut off and start car again, then
check DTC memory again.

Malfunction cause found: Yes
No

- Erase DTC memory, test drive and after test drive,
check DTC memory again
MIL Status:
MIL lights up
immediately Poor ground connection between
battery and body

- Check ground cable for good contact on battery
terminal and check the threaded connection on the
body

Malfunction cause found: Yes
No

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

Break in the wiring connection
between battery and Engine Control
Module (ECM) -J192-

- Check voltage supply of engine control module
page 28
-27


Malfunction cause found: Yes

- Erase DTC memory, test drive and after test drive,
Pa
ge 189 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