torque AUDI A4 1998 B5 / 1.G APB Engine Motronic Syst

01-46

DTC
Description of malfunction
Corrective action
SAE
VAG


P1335 17743 Engine Torque Monitoring 2
Control Limit Exceeded
1) 3)
- Check hoses Page 24
-170

- Check Intake Air Temperature (IAT) sensor Page 28
-17
- Check Mass Air Flow (MAF) sensor Page 24
-59
- Check Engine Coolant Temperature (ECT) sensor Page 28
-25
P1336 17744 Engine Torque Monitoring
Adaptation at limit - Check hoses Page 24
-170

- Check Intake Air Temperature (IAT) sensor Page 28
-17
- Check Mass Air Flow (MAF) sensor Page 24
-59
- Check Engine Coolant Temperature (ECT) sensor Page 28
-25
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
.
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 56 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

01-68

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1603 18011 Internal Control Module
Malfunction
2) - Replace Engine Control Module (ECM) Page 24
-24
.
P1604 18012 Internal Control Module
Malfunction
1)3)

P1606 18014 Rough Road Spec Engine
Torque ABS-ECU
Electrical Malfunction
Electrical Wiring Diagrams, Troubleshooting & Component Locations - Check wire connection between ECM and ABS control module Page 24
-
198

P1609 18017 Crash shut-down
activated Accident with airbag triggered or a output Test Diagnostic Mode (TDM) has
been carried out, therefore erase DTC Memory in ECM; Notes crash signal
Page 24
-196

P1612 18020 Electronic Control Module
2)
Incorrect Coding - Check or code Engine Control Module (ECM) Page 01
-93
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
malfunction has been recognized. Significance of MIL Page 01
-3 .
Pa
ge 82 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

01-91

Display group 000 (indicated values decimal)

Engine running at idle (Coolant Temperature not less than 80 C)
1 2
3 4
5 6
7 8
9 10
Display fields
Specification Represents





Adaptation value of mixture formation, bank 2 108 - 148 -4 to 4%





Adaptation value of mixture formation, bank 1
108 - 148
-4 to 4%




Control value of mixture formation bank 2
(If out of specification perform road test) 122 - 136 -4 to 4%




Control value of mixture formation bank 2
(If out of specification perform road test)
122 - 136
-4 to 4%



Adaptation value torque loss at idle 124 - 140 -3 to 5%



Idle torque
126 - 135
-1.5 to 1.5%


Throttle valve angle 1 - 7 0.4 to 2.75%


Engine speed (idle speed)
77 - 83
770 - 830 RPM

Engine load (without consumers) 21 - 34 15 - 26%
Engine Coolant Temperature (requirement for basic setting)
177 - 203
85 - 105 C
1) Up-to-date specifications:
Pa
ge 111 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