check engine AUDI A8 2000 D2 / 1.G 01V Transmission Electrical Testing Workshop Manual

01-279
1) Only for vehicles without a CAN-bus.

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

2) Signal is transmitted to Transmission Control Module (TCM) via the Engine Control Module (ECM) and can only be checked
in read measured value block page 01
-186
.
3) Only for vehicles with a CAN-bus. Further information for CAN-BUS on the CAN-bus page 01
-263


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

4) Pin 28 at the control module is vacant for vehicles with 10-pin connector of multi-function switch -F125-.
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01-280
List of test steps (88-pin connector)

Only perform test steps for the relevant component, as listed in DTC and Read Measuring Value Block tables.
Item checked
Item checked
Supply voltage for TCM -J217-
- Perform test
steps 1 and 7 Solenoid valve 5 -N92- (Pressure control
valve -2- -N216-) - Perform test steps 13
and 8
Shift lock solenoid -N110-
- Perform steps 2,
6 and 16 Solenoid valve 6 -N93- (pressure control
valve -3- -N217-) - Perform test steps 14
and 8.
Brake light switch -F-
- Perform test
step 3. Solenoid valve 7 -N94- (pressure control
valve -4- -N218-) - Perform test steps 15
and 8.
Supply voltage for cruise
control system - Perform test
step 4. Transmission VSS -G38- (Sensor for
transmission output RPM -G195-) - Perform test step 18.
Kick-down switch -F8-
(not for E-gas) - Perform test
steps 5 and 17 Sensor for transmission RPM -G182-
- Perform test step 19.
Multi-function TR switch
(driving range sensor) -F125- - page 01
-322
ATF temperature sensor -G93-
- Perform test step 20.
Solenoid valve 1 -N88-
- Perform test
steps 8 and 9 Wiring connection to ECM
1)
- Perform test steps 21,
22, 23, 24, and 25
1) 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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01-281

Item checked
Item checked
Solenoid valve 2 -N89-
- Perform test steps
10 and 8 Tiptronic switch -
F189- - Perform test steps 26 and 27
Solenoid valve 3 -N90-
- Perform test steps
11 and 8 CAN-bus
2)
- Perform test step 28 and check CAN-bus
system page 01
-265
.
Solenoid valve 4 -N91-
(Pressure control valve -1-
-N215-) - Perform test steps
12 and 8 2) Only for vehicles with CAN-bus

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


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

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01-283

Voltage measurement: switch multimeter to 20 V measuring range
Test step
VAG
1598/20
sockets Test of
Test conditions
- Additional stepsSpecified
value Corrective action
3
1)
10 + 6
10 +
28
2) Brake light switch
-F-
Ignition switched
on Brake pedal not
depressed less than 1 V
- Check wiring per wiring
diagram.
- Replace and adjust brake
light switch -F-.
not for E-gas
engines
- Brake pedal
depressed approx. battery
voltage Repair Manual, Brake
System, Repair Group 47

4 9 + 6
9 + 28
2) Supply voltage for
Cruise Control, Control
Module
-J213-
Ignition switched
on Selector lever in
D, 4 and 3 approx. battery
voltage - Check wiring from terminals
6 and 28 to Ground.
- Check wiring from terminal 9
to terminal 15 of central
electrics.
- Check wiring to cruise
control, control module -J213-
- Check multi-function switch -
F125- page 01
-322


Selector lever in
P, R, N, and 2 less than 5 V
- Check fuse 31
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01-284

Voltage measurement: switch multimeter to 20 V measuring range
Test step
VAG
1598/20
sockets Test of
Test conditions
- Additional stepsSpecified
value Corrective action
5
1)
not for E-gas
engines 18 + 54 Kick-down
switch -F8-
Ignition switched on
- Depress accelerator to
kick-down approx. battery
voltage
Repair Manual, General,
Engine, Repair Group 20 - Check wiring per wiring
diagram.
- Adjust or replace accelerator
pedal cable.
- Perform test step 17.
1) This test cannot be performed on vehicles with E-gas. The kick-down switch -F8- in this case is integrated in the Throttle
Position (TP) Sensor (-G79-, -G185-).
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01-289

Resistance measurement: switch multimeter to 200 measuring range
Test step
VAG
1598/20
sockets Test of
Test conditions
- Additional stepsSpecified
value Corrective action
16 2 + 36 Shift lock
solenoid -N110-
3)
Ignition switched off
- Selector lever in P14 - 28
Repair Manual, 5 Spd. Automatic
Transmission 01V, Repair Group 37
- Check wiring per wiring diagram.
- Check Multi-function Transmission
Range (TR) switch page 01
-306

- Perform test step 2 and 6
- Replace shift lock solenoid -N110-.
17
2)
18 + 34 Kick-down
switch -F8-
Ignition switched off infinite
1)
- Check wiring per wiring diagram.
not for E-gas
engines
Accelerator pedal not
depressed
Repair Manual, General, Engine,
Repair Group 20 - Adjust or replace accelerator pedal
cable.

- Depress accelerator
pedal to kick-down. less than 1.5


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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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01-295

Resistance measurement: switch multimeter to 2 M measuring range
Test
step VAG
1598/20
sockets Test of
Test conditions
- Additional stepsSpecified
value Corrective action
23 A) 40 + 28
3)
40 + 34 Wiring to ECM (engine
RPM signal)
Ignition
switched off
- ECM
disconnected 15 - 80 K
- Check wiring per wiring diagram.
- Check on-board computer.

40 + xx
2)
less than 1.5

Repair Manual, Electrical
Equipment, Repair Group 01

24 A) 20 + 28
3)
20 + 34
20 + 55
20 + 26 Wiring to ECM (torque
reduction)
Ignition
switched off
- ECM
disconnected infinite
1)
- Check wiring per wiring diagram.

20 + xx
2)
less than 1.5


1) Switch VAG1526 to highest resistance ( ) measuring range. 2) Corresponding terminal assignment at Engine Control Module (ECM).
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01-296

Resistance measurement: switch multimeter to 2 M measuring range
Test
step VAG
1598/20
sockets Test of
Test conditions
- Additional steps Specified
value Corrective action
25 A) 51 + 28
3)
51 + 34
51 + 55
51 + 26 Wiring to ECM (upshift/downshift
signal)
Ignition switched
off
- ECM
disconnected infinite
1)
- Check wiring per wiring
diagram.

51 + 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 & 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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01-301

Resistance measurement
Test
step VAG
1598/20
sockets Test of
Test conditions
- Additional stepsSpecified
value Corrective action
28 A) 85 + 28
3)
85 + 34
86 + 28 3)
86 + 34 Wiring connection of TCM to
ECM (CAN-bus)
Ignition switched
off ECM
disconnected infinite
1)
- Check wiring per wiring
diagram.

85 + xx
2)
86 + xx 2)
less than 1.5

Further information on CAN-bus
page 01
-263

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

Repair Manual, Fuel Injection & Ignition, Repair Group 24
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