AUDI A4 1995 B5 / 1.G APB Engine Motronic Syst

01-59

DTC
Description of malfunction
Corrective
SAE
VAG


P1475 17883 EVAP Emission Contr. LDP
Circ
Malfunction/Signal Circ.
Open
2) - Check hoses (pressure/vacuum) to leak detection pump
- Check wiring to pump according to wiring diagram
P1476 17884 EVAP Emission Contr. LDP
Circ
Malfunction/Insufficient
Vacuum 2) Repair Manual, Fuel Supply System, Repair Group 20, Components of
EVAP system servicing, Diagram of EVAP system

2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 71 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-60

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1477 17885 EVAP Emission Contr.
LDP Circ
Malfunction
2)
Repair Manual, Fuel Supply System, Repair Group 20, Components of EVAP
system servicing, Checking Leak Detection Pump (LDP)
-V144
- Check Leak Detection Pump (LDP)
P1478 17886 EVAP Emission Contr.
LDP Circ
Clamped Tube
Detected
2) Repair Manual, Fuel Supply System, Repair Group 20, Components of EVAP
system servicing, Diagram of EVAP system
- Check hoses (pressure/vacuum) to LDP.
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 72 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-61

DTC
Description of malfunction
Corrective action
SAE
VAG


P1500 17908 Fuel Pump Relay Circ.
Electrical Malfunction
2) - Check Fuel Pump (FP) relay Page 24
-33
P1501 17909 Fuel Pump Relay Circ.
Short to ground
2)
P1502 17910 Fuel Pump Relay Circ.
Short to B+
2)
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 73 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-62

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1519 17927 Intake Camshaft Contr.,
Bank1
Malfunction
2) Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code
(s): APB, Repair Group 15, Checking camshaft adjustment, Checking function of camshaft adjustment

P1522 17930 Intake Camshaft Contr.,
Bank2
Malfunction
2)
P1523 17931 Crash Signal from Airbag
Control Unit
Range/Performance - Check Crash-Signal Page 24
-196
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 74 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-63

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1529 17937 Camshaft Control
Circuit
Short to B+
2) Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s):
APB, Repair Group 15, Checking camshaft adjustment, Checking solenoid valves for camshaft adjustment

P1530 17938 Camshaft Control
Circuit
Short to Ground
2)
P1531 17939 Camshaft Control
Circuit
Open
2)

P1539 17947 Clutch pedal switch
Range/Performance
2) - Check Clutch Vacuum Vent Valve Switch Page 24
-191
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 75 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-64

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1542 17950 Throttle Actuation
Potentiometer
Range/Performance
1) 3)
- Check angle sensor for throttle drive Page 24
-153
P1543 17951 Throttle Actuation
Potentiometer
Signal too Low
1) 3)

P1544 17952 Throttle Actuation
Potentiometer
Signal too High
1) 3)
- Check angle sensor for throttle drive Page 24
-153
P1545 17953 Throttle Pos. Contr.
Malfunction
1) 3)
- Check throttle valve control module Page 24
-145
P1546 17954 Boost Pressure
Contr.Valve
Short to B+ Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code
(s): APB, Repair Group 21, Turbocharger system

P1547 17955 Boost Pressure
Contr.Valve
Short to Ground
Pa
ge 76 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

P1548 17956 Boost Pressure
Contr.Valve
Open
1) With this malfunction the EPC (Electronic Power Control) Malfunction Indicator Light (MIL) in the instrument cluster is
switched on by the ECM immediately after the malfunction has been recognized. Significance of EPC malfunction indicator
light Page 24
-142
.
3) With this malfunction the exhaust Malfunction Indicator Light (MIL) is switched on by the ECM, immidiately after the
malfunction has been recognized. Significance of MIL Page 01
-3 .
Pa
ge 77 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-65

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1555 17963 Charge Pressure
Upper Limit exceeded Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s):
APB, Repair Group 21, Turbocharger system

P1556 17964 Charge Pressure
Contr.
Negative Deviation Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s):
APB, Repair Group 21, Turbocharger system

P1557 17965 Charge Pressure
Contr.
Positive Deviation

Pa
ge 78 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-66

DTC
Description of malfunction
Corrective action
SAE
VAG


P1558 17966 Throttle Actuator
Electrical Malfunction
1)3)
- Check throttle valve control module Page 24
-145
P1559 17967 Idle Speed Contr. Throttle Pos.
Adaptation Malfunction
2) - Perform adaptation Page 24
-146
P1560 17968 Maximum Engine Speed Exceeded
- Repair mechanical damage
P1564 17972 Idle Speed Control Throttle Position
Low Voltage During Adaptation - Charge battery or repeat adaptation Page 24
-146
P1565 17973 Idle Speed Control Throttle Position
Lower Limit not Attained
1) 3)
- Check throttle valve control module Page 24
-145
P1568 17976 Idle Speed Control Throttle Position
Mechanical Malfunction
1) 3)

1) With this malfunction the EPC (Electronic Power Control) Malfunction Indicator Light (MIL) in the instrument cluster is
switched on by the ECM. Significance of EPC malfunction indicator light Page 24
-142
.
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
3) With this malfunction the exhaust Malfunction Indicator Light (MIL) is switched on by the ECM, immediately after the
Pa
ge 79 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

malfunction has been recognized. Significance of MIL Page 01
-3 .
Pa
ge 80 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1