check engine AUDI A4 1998 B5 / 1.G 01V Transmission Electrical And Electronic Components Workshop Manual

01-11


Electrical/electronic
components and locations
1 -
Automatic Transmission Control Module
(TCM) -J217-
Location Fig. 1
, Page 01
-20
Removing Fig. 2
, Page 01
-21
Installing Fig. 3
, Page 01
-22
Control modules are checked via On Board
Diagnostic (OBD) Page 01
-34
Initiating
On Board Diagnostic (OBD)
2 -
Engine Control Module (ECM)
Location Fig. 4
, Page 01
-23
Control modules are checked via On Board
Diagnostic (OBD) Page 01
-34
Initiating
On Board Diagnostic (OBD) Pa
ge 1 of 23 Electrical/electronic com
ponents and locations
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.AT02.01.2

01-16


Repair Manual, Fuel Injection & Ignition, Repair
Group 01 11 -
Throttle Position (TP) sensor -G69-
Location page 01
-30
, Fig. 13
The TP sensor signal will be checked via
On Board Diagnostic (OBD) The TP sensor signal is transmitted to the
transmission control module via the engine
control module. The signal can only be
checked in measured value block Page 01
-186
. If OBD indicates a malfunction in
the TP sensor, perform OBD for the Engine
Control Module.
Pa
ge 6 of 23 Electrical/electronic com
ponents and locations
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.AT02.01.2

01-32


Engines without E-Gas:
The kick-down switch is integrated in the accelerator cable in the plenum
chamber, behind bulkhead -arrow-.
Engines with E-gas:
The kick-down switch is integrated in the throttle position sensor and
Sensor 2 for Accelerator Position (-G79-, -G185-).
A learning procedure must be performed for the shift point of the kick
down switch for engines with E-gas. If the throttle position sensor (-G79-, -
G185-) is removed, exchange the engine control module or disconnect
the battery. Learning procedure can be found in Repair Manual, Fuel
Injection & Ignition, Repair Group 24; Kick down shift point, checking.
Kick-down switch, removing and installing
Repair Manual, Fuel Supply System, Repair Group 20, accelerator pedal mechanism, repairing Front and All Wheel Drive
Fig. 16 Kick-down switch -F8-
- To remove and install the kick down switch, the accelerator cable must
be removed and installed and then adjusted or the throttle position
sensor (38-G79-, -G185-) must be replaced.
Pa
ge 22 of 23 Electrical/electronic com
ponents and locations
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.AT02.01.2