display AUDI A4 1997 B5 / 1.G AFC Engine On Board Diagnostic Multiport Fuel Injection Manual PDF

01-102

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

Malfunction repair
P1110 / 17518
Heating Circ. (B2-S2)
Short to B+ Harness connector for Oxygen Sensor
(O2S) heater -Z30- (B2-S2) 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 24
-1

Malfunction cause found: Yes
No

- Erase DTC memory, test drive and after
test drive, check DTC memory again
MIL Status:
MIL lights up
immediately
Wiring connection for Oxygen Sensor
(O2S) heater -Z30- (B2-S2) faulty, or heater
-Z30- faulty

- Check O2S heater -Z30- (B2-S2) page 24
-55


Malfunction cause found: Yes
No

- Erase DTC memory, test drive and after
test drive, check DTC memory again
For troubleshooting
Display group 040
Engine Control Module (ECM) -J192-
faulty

- Replace and code engine control module
page 01
-265
erase DTC memory and
test drive check DTC memory
Notes:

The heating for Oxygen Sensor Probes behind Three Way Catalytic Converter (TWC) is not switched on immediately at
engine start, but when the calculated exhaust gas temperature drops below 308 C (586 F) ( Read measuring value
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block, display group 42, channel 1).
The malfunction "P1105 / 17513" is set as soon as the probe heater is switched on (the vehicle must be driven approx. 60
sec. under load) and the heating current is greater than 10 A for longer than 80 ms.
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01-108

Output on GST and/or
on VAG 1551 scan
tool Possible malfunction
cause
Malfunction repair
P1250 / 17658
Fuel Level Too Low In addition, other
malfunctions stored in
the DTC memory?







Troubleshooting on other Diagnostic Trouble Codes (DTC) that
are stored in the DTC memory - If there are malfunctions that can be caused by fuel problems
(e.g. combustion misfiring), the malfunction "tank level too low" if
there is less than 12 liters (12.7 qt.) fuel in the tank check tank
level and fill tank if necessary
For troubleshooting
Display group 027

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01-109

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

Malfunction repair
P1325 / 17733
Cyl.1-Knock Control
Limit Attained
_______________________
P1326 / 17734
Cyl.2-Knock Control
Limit Attained
_______________________
P1327 / 17735
Cyl.3-Knock Control
Limit Attained
_______________________
MIL Status:
Malfunction not displayed by
MIL Has the control limit been
reached on all 6 cylinders
(P1335, P1326, P1327, P1328,
P1329, P1330) in DTC
memory?
No
Yes

- Poor fuel quality less than 91 AKI (CC) or 95
RON in tank fill tank with fuel having min. 91
AKI (CLC) or 95 RON (ROZ) - Loose subassemblies or loud noises from
subassemblies check

Malfunction cause found: Yes
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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.
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jection
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01-111

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

Malfunction repair
P1328 / 17736
Cyl.4-Knock Control
Limit Attained
_______________________
P1329 / 17737
Cyl.5-Knock Control
Limit Attained
_______________________
P1330 / 17738
Cyl.6-Knock Control
Limit Attained
_______________________
MIL Status:
Malfunction not displayed by
MIL Has the control limit been
reached on all 6 cylinders
(P1335, P1326, P1327, P1328,
P1329, P1330) in the DTC
memory?
No
Yes

- Poor fuel quality less than 91 AKI (CLC) or 95
RON in tank fill tank with fuel min. 91 AKI
(CLC) or 95 RON - Loose subassembly or loud noises from
subassemblies check

Malfunction cause found: Yes
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jection
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)
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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.
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jection
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)
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01-114

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

Malfunction repair
P1340 / 17748
Camshaft/Crankshaft
Pos.Sens.Signals (B2)
Out of Sequence Harness connector on Camshaft Position
(CMP) sensor -G40- 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
P1392 / 17800
Camshaft Pos.Sensor Open
Circ. (B2)
Short to B+

Malfunction cause found: Yes
No

- Erase DTC memory, test drive and
after test drive, check DTC memory
again
MIL Status:
MIL lights up immediately
Wiring connection to Camshaft Position
(CMP) sensor -G40- faulty or sensor -G40-
faulty

- Check Camshaft Position (CMP)
sensor -G40- page 28
-33

For troubleshooting
Display groups 012, 014
Malfunction cause found: Yes
No
Continued next page

- Erase DTC memory, test drive and
after test drive, check DTC memory
again
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jection
(MFI
)
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01-122

Output on GST and/or on
VAG 1551 scan tool Possible malfunction
cause
Malfunction repair
P1396 / 17804
Engine Speed Sensor
Missing Tooth Starter ring gear
damaged (teeth broken off)


- Remove starter and carry out visual inspection of the
starter ring gear. If broken teeth are found, replace
starter ring gear
MIL Status:
MIL lights up immediately Malfunction cause found:
Yes


- Erase DTC memory, test drive and after test drive,
check DTC memory again
For troubleshooting
Display group 037

Note:
The malfunction "P1396 / 17804" is set when the engine speed sensor does not supply 270 engine speed pulses per engine
revolution.
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jection
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01-125

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

Malfunction repair
P1407 / 17815
EGR Temp.Sensor
Signal too Low Harness connector for EGR
temperature sensor -G98- 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 24
-
1

Malfunction cause found: Yes
No

- Erase DTC memory, test drive and after test
drive, check DTC memory again
MIL Status:
MIL lights up
immediately Wiring connection to EGR temperature
sensor -G98- faulty or sensor -G98- faulty

- Check EGR temperature sensor -G98-
page 24
-71


Malfunction cause found: Yes
No

- Erase DTC memory, test drive and after test
drive, check DTC memory again
For troubleshooting
Display group 017
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 malfunction "P1407 / 17815" is set after a cold start (coolant starting temperature less than 30 C (86 F) as soon as an
EGR temperature signal is received that lies over 200 C (392 F)
Pa
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(OBD
) - Multi
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jection
(MFI
)
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yp
e=re
pair&id=AUDI.B5.FU01.01.1