check engine AUDI A6 1998 C5 / 2.G ATQ Engine Check DTC Memory And Erase DTC Memory Owner's Guide
[x] Cancel search | Manufacturer: AUDI, Model Year: 1998, Model line: A6, Model: AUDI A6 1998 C5 / 2.GPages: 52, PDF Size: 0.18 MB
Page 39 of 52
01-46
DTC
DTC text
Corrective action
SAE
VAG
P1424 17832 Bank 1, Secondary Air Injection
(AIR) system
Leak detected
Repair Manual, Engine Mechanical, Repair Group 26; Secondary
Air Injection (AIR) system - Check hose setup from pump to mechanical Secondary Air
Injection (AIR) valve, cylinder bank 1
P1425 17833 EVAP canister purge regulator valve
-N80-
Short circuit to Ground (GND)
1) - Check Evaporative Emission (EVAP) Canister Purge Regulator
Valve Page 24
-128
P1426 17834 EVAP canister purge regulator valve
-N80-
Open circuit
1)
P1432 17840 Secondary Air Injection (AIR)
solenoid valve -N112-
Open circuit1)
Repair Manual, Engine Mechanical, Repair Group 26; Secondary
Air Injection (AIR) system - Check Secondary Air Injection (AIR) system
P1433 17841 Secondary Air Injection (AIR) pump
relay -J299-
Open circuit
1)
P1434 17842 Secondary Air Injection (AIR) pump
relay -J299-
Short circuit to B+
1)
Pa
ge 39 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2
Page 40 of 52
P1435 17843 Secondary Air Injection (AIR) pump
relay -J299-
Short circuit to Ground (GND)
1)
1) For these malfunctions, ECM does not switch on the Malfunction Indicator Lamp (MIL) unless malfunction is recognized
again after another engine start. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
Pa
ge 40 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2
Page 41 of 52
01-47
DTC
DTC text
Corrective action
SAE
VAG
P1471 17879 Leak Detection Pump (LDP)
tank ventilation system
Short circuit to B+
1) - Leak Detection Pump (LDP) Checking
P1472 17880 Leak Detection Pump (LDP)
tank ventilation system
Short circuit to Ground (GND)
1) Repair Manual, Engine Mechanical, Repair Group 20; EVAP canister
system components, servicing; Leak Detection Pump (LDP) -V144-,
checking.
P1473 17881 Leak Detection Pump (LDP)
tank ventilation system
Open circuit
1)
P1475 17883 Leak Detection Pump (LDP)
tank ventilation system
Malfunction / no signal
1)
Repair Manual, Engine Mechanical, Repair Group 20; EVAP canister
system components, servicing; wiring diagram, EVAP canister system. - Check pressurized/vacuum lines to Leak Detection Pump (LDP)
P1476 17884 Leak Detection Pump (LDP)
tank ventilation system
Malfunction/vacuum pressure
too low
1) - Check electrical wire connections to Leak Detection Pump according
to wiring diagram
1) For these malfunctions, ECM does not switch on the Malfunction Indicator Lamp (MIL) unless malfunction is recognized
again after another engine start. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
Pa
ge 41 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2
Page 42 of 52
01-48
DTC
DTC text
Corrective action
SAE
VAG
P1501 17909 Fuel Pump (FP) relay -J17-
Short circuit to Ground
(GND)
1) - Check Fuel Pump (FP) relay Page 24
-49
P1502 17910 Fuel Pump (FP) relay -J17-
Short circuit to B+
1)
P1512 17920 Intake manifold change-over
valve -N156-
Short circuit to B+1) - Check intake manifold change-over
Page 24
-71
P1515 17923 Intake manifold change-over
valve -N156-
Short circuit to Ground
(GND)
1)
P1516 17924 Intake manifold change-over
valve -N156-
Open circuit
1)
P1519 17927 Bank 1, camshaft
adjustment
Malfunction
1) Repair Manual, Engine Mechanical, Repair Group 15; Camshaft
adjustment, checking; Function of camshaft adjustment, checking
P1522 17930 Bank 2, camshaft
adjustment
Malfunction
1)
P1523 17931 Crash signal from airbag
control module Repair Manual, Body
-On Board Diagnostic (OBD), Repair Group 01; On
Board Diagnostic (OBD) of airbag system
Pa
ge 42 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2
Page 43 of 52
Implausible signal
4)
1) For these malfunctions, ECM does not switch on the Malfunction Indicator Lamp (MIL) unless malfunction is recognized
again after another engine start. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
4) DTC is stored upon appropriate signal from airbag control module.
Pa
ge 43 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2
Page 44 of 52
01-49
DTC
DTC text
Corrective action
SAE
VAG
P1529 17937 Camshaft adjustment
Short circuit to B+
1) Repair Manual, Engine Mechanical, Repair Group 15; Camshaft
adjustment, checking; Solenoid valve for camshaft adjustment, checking
P1530 17938 Camshaft adjustment
Short circuit to Ground
(GND)
1)
P1531 17939 Camshaft adjustment
Open circuit
1)
P1539 17947 Clutch vacuum vent valve
switch -F36-
Implausible signal
1) - Check clutch pedal switch Page 24
-183
P1541 17908 Fuel Pump (FP) relay -J17-
Open circuit
1) - Check Fuel Pump (FP) relay Page 24
-49
P1542 17950 Throttle Actuation
Potentiometer -G187
Implausible signal
2)3)
- Check angle sensor -1- for throttle drive Page 24
-148
P1543 17951 Throttle Actuation
Potentiometer -G187
Signal too small
2) 3)
Pa
ge 44 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2
Page 45 of 52
P1544 17952 Throttle Actuation
Potentiometer -G187-
Signal too large
2) 3)
1) For these malfunctions, ECM does not switch on the Malfunction Indicator Lamp (MIL) unless malfunction is recognized
again after another engine start. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
2) For these malfunctions, ECM switches on the EPC warning lamp in instrument cluster. Significance of EPC warning lamp
Page 24
-136
.
3) For these malfunctions, the ECM switches on the Malfunction Indicator Lamp (MIL) in the instrument cluster immediately
after recognizing the malfunction. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
Pa
ge 45 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2
Page 46 of 52
01-50
DTC
DTC text
Corrective action
SAE
VAG
P1545 17953 Throttle valve control
Malfunction
2) 3)
- Check throttle valve control module Page 24
-141
P1558 17966 Throttle drive (power accelerator actuation) -G186-
Electrical malfunction in circuit
2) 3)
P1559 17967 Throttle valve control module -J338-
Malfunction in basic setting
1) 2)
- Perform adaptation Page 24
-142
P1564 17972 Throttle valve control module -J338-
Voltage too low during basic setting - Charge battery, repeat basic setting
P1565 17973 Throttle valve control module -J338-
Lower impact still not reached
2) 3)
- Check throttle valve control module Page 24
-141
P1568 17976 Throttle valve control module -J338-
Mechanical malfunction
2) 3)
1) For these malfunctions, ECM does not switch on the Malfunction Indicator Lamp (MIL) unless malfunction is recognized
again after another engine start. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
2) For these malfunctions, ECM switches on the EPC warning lamp in instrument cluster. Significance of EPC warning lamp
Page 24
-136
.
3) For these malfunctions, the Engine Control Module (ECM) switches on the Malfunction Indicator Lamp (MIL) in the
instrument cluster immediately after recognizing the malfunction. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
Pa
ge 46 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2
Page 47 of 52
01-51
DTC
DTC text
Corrective action
SAE
VAG
P1569 17977 Cruise control switch -E45-
Implausible signal Repair Manual, Electrical Equipment, Repair Group 01; On Board
Diagnostic (OBD) for cruise control system
P1570 17978 Engine Control Module
(ECM)
locked
Repair Manual, Electrical Equipment, Repair Group 01, On Board
Diagnostic (OBD) for immobilizer
- Adapt electronic immobilizer to Engine Control Module (ECM)
P1579 17987 Throttle valve control
module -J338-
Adaptation not started - Perform adaptation of throttle valve control module while maintaining test
requirements Page 24
-142
P1602 18010 Voltage supply, terminal 30
Voltage too low - Check voltage supply for control module Page 28
-30
Pa
ge 47 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2
Page 48 of 52
01-52
DTC
DTC text
Corrective action
SAE
VAG
P1603 18011
Control module faulty
1)
- Replace Engine Control Module (ECM) Page 24
-21
P1604 18012
Control module faulty
2) 3)
P1606 18014 Rough terrain info/engine torque
from ABS control module
Electrical malfunction in circuit
Electrical Wiring Diagrams, Troubleshooting & Component Locations
binder - Check wire connection between Engine Control Module (ECM) and
ABS control module (powertrain databus) Page 24
-192
P1609 18017 Crash shut-off was triggered
(Crash triggered)
5) Repair Manual, Body
-On Board Diagnostic (OBD), Repair Group 01;
On Board Diagnostic (OBD) of airbag system
- Erase DTC memory of the Engine Control Module (ECM) after output
Diagnostic Test Mode (DTM) of the airbag system Page 01
-15
1) For these malfunctions, ECM does not switch on the Malfunction Indicator Lamp (MIL) unless malfunction is recognized
again after another engine start. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
2) For these malfunctions, ECM switches on the EPC warning lamp in instrument cluster. Significance of EPC warning lamp
Page 24
-136
.
3) For these malfunctions, the Engine Control Module (ECM) switches on the Malfunction Indicator Lamp (MIL) in the
instrument cluster immediately after recognizing the malfunction. Meaning of Malfunction Indicator Lamp (MIL) Page 01
-3 .
5) DTC is stored upon appropriate signal from airbag control module, also during output Diagnostic Test Mode (DTM) of the
airbag system.
Pa
ge 48 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2