1998 AUDI A4 light

01-55

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1432 17840 Sec. Air Inj.Valve
Open
2)
Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s):
APB, Repair Group 26, Exhaust system, Secondary air injection system, Checking Secondary Air Injection (AIR) Solenoid Valve
-N112
- Check Secondary Air Injection (AIR) Solenoid Valve -N112
P1433 17841 Sec. Air Inj. Sys.
Pump Relay Circ.
Open
2) Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s):
APB, Repair Group 26, Exhaust system, Secondary air injection system, Checking Secondary Air Injection (AIR) Pump Relay
-J299

P1434 17842 Sec. Air Inj. Sys.
Pump Relay Circ.
Short to B+
2)
P1435 17843 Sec. Air Inj. Sys.
Pump Relay Circ.
Short to Ground
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 66 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

01-58

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1470 17878 EVAP Emission Contr.
LDP Circ
Electrical Malfunction
2) - Check Leak Detection Pump (LDP)
P1471 17879 EVAP Emission Contr.
LDP Circ
Short to B+
2) Repair Manual, Fuel Supply System, Repair Group 20, Components of EVAP
system servicing, Checking Leak Detection Pump (LDP)
-V144

P1472 17880 EVAP Emission Contr.
LDP Circ
Short to Ground
2)
P1473 17881 EVAP Emission Contr.
LDP Circ
Open Circuit
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 70 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

01-59

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

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