steering AUDI A6 1998 C5 / 2.G ATW Engine Motronic Fuel Injection Syst
Page 27 of 81
24-26
Installing
Installation is reverse of removal, noting the
following:
Note:
Important note:
After installing new Engine Control Module
(ECM), the following work steps must be
performed:
- Check DTC memory and erase it if necessary
Page 01
-16
.
- Perform adaptation of the Throttle Valve Control
Module -J338- Page 24
-121
.
- Observe notes for coding new Engine Control
Module (ECM) Page 01
-62
.
- For vehicles with cruise control (discernable at
steering column), switch this free in ECM:
Repair Manual, Electrical Equipment On
Board Diagnostic (OBD), Repair Group 01; OBD for cruise control system
- For vehicles with automatic transmission, the
kick down function must be adapted Page 24
-
Pa
ge 27 of 81 Motronic fuel in
jection s
ystem, servicin
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11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.24.1
Page 73 of 81
24-63
Evaluation display group 002 Display field:
3
Possible cause
Corrective action
less than 1.0
ms
Smaller values are only possible when driving in
deceleration mode
larger than 4.0
ms Engine under load due to power accessories.- Reduce load (A/C system/power
steering/generator)
Poor idle (does not run on all cylinders)- Check spark plugs.
- Check fuel injectors Page 24
-38
.
Throttle valve control module - J338- faulty- Check throttle valve control module
Page 24
-120
Display field:
4
Possible cause
Corrective action
smaller than
2.0 g/s
large false air mass between intake manifold and Mass Air
Flow (MAF) sensor
Voltage supply of Mass Air Flow (MAF) sensor or wire
connections to Engine Control Module (ECM) - Check intake system for leaks (false
air) Page 24
-68
.
- Check voltage supply and wire
connections Page 24
-64
larger than 4.5
g/s
Engine under load due to power accessories.- Reduce load (A/C system/power
steering/generator)
Voltage supply of Mass Air Flow (MAF) sensor or wire
connections to Engine Control Module (ECM) - Check voltage supply and wire
connections Page 24
-64
Pa
ge 73 of 81 Motronic fuel in
jection s
ystem, servicin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.24.1