1997 AUDI A4 AWM Engine Diagnostic Trouble Code Memory Checking Workshop Manual

01-24

DTC
DTC text
Corrective action
SAE
VAG


P0411 16795 Secondary air system
Throughput faulty Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine Code(s):
AWM, Repair Group 26; Checking Secondary Air Injection (AIR) system

- Check hose setup (Secondary Air Injection -AIR- solenoid valve); check intake
system for leaks (false air) Page 24
-68

P0420 16804 Bank 1, catalytic
converter system
Not effective enough
Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine Code(s):
AWM, Repair Group 26
- Generate readiness code Page 01
-84
. If the same malfunction is indicated
again, replace catalytic converter.
P0422 16806 Bank 1, main catalytic
converter
Not effective enough
P0441 16825 Tank ventilation
system
Throughput faulty - Check Evaporative Emission (EVAP) canister purge regulator valve Page 24
-
114

Pa
ge 17 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
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11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.FU07.01.2

01-25

DTC
DTC text
Corrective action
SAE
VAG


P0442 16826 Tank ventilation
system
Small leak
detected Repair Manual, Fuel Supply System, Repair Group 20; Fuel supply; EVAP canister
system components, servicing; tank leak diagnostic, performing.
- Checking fuel supply and ventilation systems for leaks
P0455 16839 Tank ventilation
system
Large leak
detected Repair Manual, Fuel Supply System, Repair Group 20;
- Checking EVAP system for leaks using KLI9210 EVAP tester
P0456 16840 Tank ventilation
system
Pinhole leak
detected - Check tank system and tank ventilation systems for leaks

Repair Manual, Fuel Supply System, Repair Group 20; EVAP canister system
components, servicing; tank leak diagnostic, performing.

Repair Manual, Fuel Supply System, Repair Group 20;
- Checking EVAP system for leaks using KLI9210 EVAP tester
Pa
ge 18 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2

01-26

DTC
DTC text
Corrective action
P0501 16885 Vehicle speed signal
Implausible signal - Checking Vehicle Speed Signal (VSS) Page 24
-165
P0506 16890 Idle control
RPM below specified
value - Check throttle valve control module Page 24
-124
P0507 16891 Idle control
RPM above specified
value - Check hose setup (Secondary Air Injection -AIR- solenoid valve); check intake
system for leaks (false air) Page 24
-68

P0560 16944 Voltage supply
Implausible signal - Check voltage supply for control module Page 28
-37
P0562 16946 Voltage supply
Voltage too low

P0563 16947 Voltage supply
Voltage too high

P0571 16955
Brake light switch -F-

1)

Implausible signal - Check brake light switch and brake pedal switch Page 24
-149
1) Brake pedal switch -F47- is monitored in addition to brake light switch -F-.
Pa
ge 19 of 49 Dia
gnostic Trouble Code
(DTC
) memor
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g and erasin
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11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2

01-27

DTC
DTC text
Corrective action
SAE
VAG


P0601 16985 Control module faulty
- Replacing Engine Control Module (ECM) Page 24
-22
P0604 16988 Control module faulty
P0605 16989 Control module faulty
P0606 16990 Control module faulty
P0685 17069 Main relay -J271-
Open circuit - Check motronic Engine Control Module (ECM) voltage supply relay -J271-
Page 28
-13

P0686 17070 Main relay -J271-
Short circuit to Ground
(GND)
P0687 17071 Main relay -J271-
Short circuit to B+
P0688 17072 Main relay, load circuit -
J271-
Open circuit
Pa
ge 20 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2

01-28

DTC
DTC text
Corrective action
SAE
VAG


P1102 17510 Bank 1, sensor 1,
heating circuit
Short circuit to B+ - Oxygen sensor heating before catalytic converter Checking Page 24
-89
P1103 17511 Bank 2, sensor 1,
heating circuit
Performance too low - Check oxygen sensor heating behind catalytic converter Page 24
-107
P1105 17513 Bank 2, sensor 1,
heating circuit
Short circuit to B+
P1111 17519 Oxygen sensor control,
bank 1
System too lean - Check oxygen sensor control behind catalytic converter Page 24
-71
P1112 17520 Oxygen sensor control,
bank 1
System too rich
P1113 17521 Bank 1, sensor 1
Internal resistance too
high - Next, check signal wires for contact resistances Page 24
-82
; if no contact
resistances are present: Replace oxygen sensor
P1114 17522 Bank 2, sensor 1
- Next, check signal wires for contact resistances Page 24
-105
; if no contact
Pa
ge 21 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2

Internal resistance too
high resistances are present: Replace oxygen sensor
Pa
ge 22 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2

01-29

DTC
DTC text
Corrective action
SAE
VAG


P1115 17523 Bank 1, sensor 1, heating circuit
Short circuit to Ground (GND) - Check oxygen sensor heating before catalytic converter Page 24
-
89

P1116 17524 Bank 1, sensor 1, heating circuit
Open circuit

P1117 17525 Bank 2, sensor 1, heating circuit
Short circuit to Ground (GND) - Check oxygen sensor heating behind catalytic converter Page 24
-
107

P1118 17526 Bank 2, sensor 1, heating circuit
Open circuit

P1127 17535 Bank 1, mixture adaptation
(mult.)
System too rich - Road test vehicle (fuel in oil).
- Check fuel system pressure Page 24
-32
- Check Mass Air Flow (MAF) sensor Page 24
-59
- Check intake system for leaks (false air) Page 24
-68
P1128 17536 Bank 1, mixture adaptation
(mult.)
System too lean - Check oxygen sensor before catalytic converter Page 24
-71
- Check oxygen sensor behind catalytic converter Page 24
-94
- Check fuel injectors Page 24
-37
.
Note:
Pa
ge 23 of 49 Dia
gnostic Trouble Code
(DTC
) memor
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11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2

mult. = multiplicative, means that malfunction is valid across entire range of engine speed and engine load.
Pa
ge 24 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2