2000 AUDI A8 transmission

01-290

Resistance measurement: switch multimeter to 20 K measuring range
Test
step VAG
1598/20
sockets Test of
Test conditions
- Additional stepsSpecified
value Corrective action
18 14 + 42 Transmission VSS -
G38-
2)
Ignition
switched off
- Check wiring per wiring diagram.
min.
0.8 K

max.
1.2 K


14 + 34
14 + 54
42 + 54
42 + 34
infinite
1)
- Replace transmission VSS -G38-, Fig. 10, Page 01
-28
.

15 + 34
15 + 54 Shielding for -G38-
Ignition
switched off infinite
1)
- Check wiring per wiring diagram.
1) Switch VAG1526 to highest resistance ( ) measuring range. 2) Transmission Vehicle Speed Sensor (VSS) -G38- is also referred to as Sensor for Transmission Output RPM -G195-.
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01-291

Resistance measurement: switch multimeter to 20 K measuring range
Test step
VAG
1598/20
sockets Test of
Test
conditions
- Additional
steps Specified
value Corrective action
19 16 + 44 Sensor for
transmission RPM -
G182- Ignition
switched off
- Check wiring per wiring diagram.
Only for hydraulic
control -E17-
2) min.
0.23 K

max.
0.30 K

44 + 34
44 + 54
16 + 54
16 + 34
infinite
1)
- Replace sensor for transmission
RPM -G182- , Fig. 11, Page 01
-
29
.

23 + 34
23 + 54 Shielding for -G182-
Ignition
switched off infinite
1)
- Check wiring per wiring diagram.
1) Switch VAG1526 to highest resistance ( ) measuring range. 2) This test step can only be performed on transmission with hydraulic control E17. For information regarding the
transmission installed:
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Repair Manual, 5 Spd. Automatic Transmission 01V, Repair Group 00; Code letters, engine/transmission applications, ratios, equipment

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01-292

Resistance measurement: switch multimeter to 2 M measuring range
Test
step VAG
1598/20
sockets Test of
Test
conditions
- Additional stepsSpecified
value Corrective action
20 21 + 22 Transmission Fluid (ATF)
Temperature sensor -G93-
Ignition
switched off
- Check wiring between 88-pin
connector on TCM and 8-pin
connector page 01
-302
.

ATF
temperature
ATF temperature sensor -G93- is
integrated in wiring harness in
transmission. - Check wiring harness in
transmission; replace if necessary.

approx. 20 C
approx. 0.83
K
2)


approx. 60 C
approx. 1.28
K
2)


approx. 120 C
approx. 1.88
K
2)


21 + 34
22 + 28
3)
Ignition
switched off infinite
1)
Repair Manual, 5 Spd. Automatic
Transmission 01V, Repair Group 38
- Remove and install valve body
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01-293

Resistance measurement: switch multimeter to 2 M measuring range
Test
step VAG
1598/20
sockets Test of
Test conditions
- Additional stepsSpecified
value Corrective action
21 A) 41 + 28
3)
41 + 34
41 + 55
41 + 26 Wiring to ECM (throttle
signal)
Ignition switched
off ECM
disconnected infinite
1)
- Check wiring per wiring
diagram.

41 + xx
2)

less than 1.5


1) Switch VAG1526 to highest resistance ( ) measuring range. 2) Corresponding terminal assignment at Engine Control Module (ECM)

Electrical wiring diagrams Troubleshooting & Component Locations A) Signal is transmitted to Transmission Control Module (TCM) via the Engine Control Module (ECM). Test is only for vehicles
without CAN-Bus

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Repair Manual, 5 Spd. Automatic Transmission 01V, Repair Group 00; Code letters, enginer/transmission allocation, ratios,
equipment

3) Pin 28 at the control module is vacant for vehicles with 10-pin connector of multi-function switch -F125-.
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2) Corresponding terminals at Engine Control Module (ECM).

Electrical Wiring Diagrams & Component Locations A) Signal is transmitted to Transmission Control Module (TCM) via the Engine Control Module (ECM). Test is only for vehicles
without CAN-Bus

Repair Manual, 5 Spd. Automatic Transmission 01V, Repair Group 00; Code letters, engine and transmission allocation, ratios, equipment

Pa
ge 35 of 66 Electrical testin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.AT02.01.16

Electrical Wiring Diagrams & Component Locations binder A) Signal is transmitted to Transmission Control Module (TCM) via the Engine Control Module (ECM). Test is only for vehicles
without CAN-Bus

Repair Manual, 5 Spd. Automatic Transmission 01V, Repair Group 00; Code letters, aggregate allocation, ratios, equipment

3) Pin 28 at the control module is vacant for vehicles with 10-pin connector of multi-function switch -F125-.
Pa
ge 37 of 66 Electrical testin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.AT02.01.16