|
Performing self-diagnosis
Test table
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|---|
Group No. |
Display field |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
01 |
1 |
Selector lever position - Multi-function switch -F125- |
Stationary |
P |
P
|
- Check multi-function switch -F125- => Perform electrical tests, from page 01-69 |
|
|
|
|
|
Selector |
R |
R |
|
|
|
|
|
|
lever |
N |
N |
|
|
|
|
|
|
in |
D |
D |
|
|
|
|
|
|
|
3 |
3 |
|
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|
|
|
|
|
2 |
2 |
|
cont'd |
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|
|
|
1 |
1 |
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|
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|---|
Group No. |
Display field |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
01 |
2 |
Voltage of throttle valve potentiometer -G69- |
Stationary |
Idling min.
Idling max. |
0.156 V
0.8 V2) |
When accelerating from idling to full throttle, voltage figure constantly increases
For vehicles from 01.93 with 6-cylinder engine or 4-cylinder engine with Simos injection and ignition system perform engine control unit self-diagnosis
Check throttle valve potentiometer =>Perform electrical tests, from page 01-69 |
cont'd
|
|
|
|
Full throttle
min.
Full throttle max. |
3.5 V
4.680 V
|
- Adjusting/renewing throttle valve potentiometer
=> Repair group 24 to 2501-44 |
1) Engine with Mono Motronic coolant temperature min. 80° C.
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Group No. |
Display field |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
01 |
3 |
Accelerator pedal value |
Stationary |
Idling1) |
0...1 % |
When accelerating from idling to full throttle, % figure constantly increases |
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|
|
|
|
|
Full throttle |
99...100 % |
- Bring system into basic setting |
|
|
4 |
Switch positions |
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|
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|
|
|
Brake light switch -F- |
Display
1 |
Brake |
Operated |
1 |
- Check brake light switch -F- => Perform electrical tests,from page 01-69 |
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|
|
|
|
|
Not operated |
0 |
|
|
|
|
|
Traction control system |
2 |
|
Activated |
1 |
|
Only Audi vehicles |
cont'd |
|
|
|
|
Not activated |
0 |
|
|
1) Engine with Mono Motronic coolant temperature min. 80° C.
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Group No. |
Display field |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
01 |
4 |
Programme switch -E122- |
Display 3 to12.92 |
"S" selected |
|
- Check programme switch -E122- => Perform electrical tests, from page 01-69 |
|
|
|
|
|
|
"E" selected |
0 |
|
|
|
|
|
Electronic programme switch |
3 from 01.93 |
"S" selected
|
1
|
Electronic programme switch is integrated in control unit and selects the "E" or "S" programme automatically |
cont'd
|
|
|
|
|
"E" activated |
0 |
=> Gearboxes for vehicles with electronic programme switch, Page 00-5 |
Group No. |
Display field |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
01 |
4 |
Kickdown switch |
Display 4 |
Kickdown |
Operated
|
1
|
- Check kickdown switch =>Perform electrical tests, from page 01-69 |
|
|
|
|
|
|
Not operated |
0 |
|
|
|
|
|
Multi-function switch -F125- |
5 |
Selector lever in |
R, N, D, 3, 2
|
1
|
- Check multi-function switch -F125- => Perform electrical tests, from page 01-69 |
|
|
|
|
|
|
P, 1 |
0 |
|
|
|
|
|
6 |
Selector lever in |
P, R, 2, 1
|
1
|
|
|
cont'd |
|
|
|
|
N, D, 3 |
0 |
|
|
Group No. |
Display field |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
01
|
4
|
Multi-function switch -F125- |
Display
7 |
Selector lever in |
P, R, N, D
|
1
|
- Check multi-function switch -F125- => Perform electrical tests, from page 01-69 |
|
|
|
|
|
|
3, 2, 1 |
0 |
|
|
|
|
|
|
8 |
Selector lever in |
P, R, N,
|
1
|
|
|
|
|
|
|
|
|
D, 3, 2, 1 |
0 |
|
|
|
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|---|
Group No. |
Display zone |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
02 |
1 |
Actual current of solenoid valve 6 -N93- |
Stationary |
Full throttle
|
0.0 A
|
- Check solenoid valve -N93- =>Perform electrical tests, from page 01-69 |
|
|
|
|
|
Idling max. |
1.1 A |
|
|
|
|
2 |
Specified current of solenoid valve 6 -N93- |
Stationary |
Full throttle
|
0.0 A
|
|
|
|
|
|
|
|
Idling max. |
1.1 A |
|
|
|
|
3 |
Battery voltage |
Stationary |
min.
|
10.8 V
|
- Check battery, renew if necessary
Check voltage supply to control unit -J217- => Perform electrical tests, from page 01-69 |
Cont'd
|
|
|
|
max. |
16.0 V |
|
- Renew gearbox control unit -J217- |
|
|
|---|
Group No. |
Display zone |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
02 |
4 |
Road speed sender -G68- |
Stationary |
min.
|
2.20 V
|
- Check road speed sender -G68- =>Perform electrical tests, from page 01-69 |
|
|
|
|
|
max. |
2.52 V |
|
|
03
|
1 |
Vehicle speed |
Driving1) |
...km/h |
Speedometer reading and readout on V.A.G 1551 may differ slightly. |
Cont'd |
2 |
Engine speed |
With engine running |
rpm |
- Tune engine if necessary |
1) When driving, a second mechanic is needed for reading the specified values.
|
|
|---|
Group No. |
Display field |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
03 |
3 |
Gear selected |
Driving1) |
Neutral
|
0
|
- Check solenoid valves => Perform electrical tests, from page 01-69 |
|
|
|
|
|
Reverse |
R |
|
|
|
|
|
|
1 hydraulic |
1 |
|
|
|
|
|
|
2 hydraulic |
2 |
|
|
|
|
|
|
|
3 hydraulic |
3 H |
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|
|
|
|
|
|
3 mechanical2) |
3 M |
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|
|
|
|
|
|
4 mechanical |
4 |
|
|
|
|
4 |
Accelerator pedal value |
Driving1) |
Idling
|
0...1 %
|
When accelerating from idling to full throttle, % figure constantly increases |
|
|
|
|
|
Full throttle |
99...100 % |
- Bring system to basic setting |
1) When driving, a second mechanic is needed for reading the specified values.
2) "3M" not on gearboxes with modified shift programme from 01.93 => Page 00-5.
Reading measured value block; Display group number 04; "Checking solenoid valves whilst driving"
-
◆ The solenoid valves can be checked whilst driving via "read measured value block 08"; "display group number 04".
-
◆ The table shows the solenoid valves -N88-, -N89-, -N90- and -N91- as controlled in each selector lever position. These solenoid valves control the switching valves to the relevant gears.
-
◆ The solenoid valves -N92- and -N94- are supplementary valves which affect selection changes and are only controlled during gear changes and displayed in zones 5 and 6.
-
◆ V.A.G 1551 display zone 1 has 6 characters (0000 00) and is read as follows:
Display on |
Display zone 1: |
V.A.G 1551 |
Display 1 |
Display 2 |
Display 3 |
Display 4 |
Display 5 |
Display 6 |
|
|
-N88- |
-N89- |
-N90- |
-N91- |
-N92- |
-N94- |
-
◆ Non-activated solenoid valves display "0" and activated solenoid valves display "1".
Checking solenoid valves, whilst driving, gearboxes up to 12.92 => Page 01-59.
Checking solenoid valves, whilst driving, gearboxes from 01.93 => Page 01-61.
Checking solenoid valves, whilst driving, gearboxes up to 12.92
|
|
|---|
Group No. |
Display field |
Designation |
Test conditions
Selector lever in: |
Specified readout on V.A.G 1551 |
Rectifying fault |
04 |
1 |
Solenoid valve/shown on |
|
P |
1 0 0 1 00 |
Solenoid valves are selected according to driving condition |
|
|
|
V.A.G 1551 display |
|
R1) |
0 0 0 0 00 |
- Perform electrical check |
|
|
|
Solenoid valves: |
|
N |
1 0 0 1 00 |
|
=>from page 01-69 |
|
|
|
-N88- display 1 |
D1) |
1 |
0 0 0 1 00 |
|
|
|
|
|
-N89- display 2 |
|
2 |
0 1 0 1 00 |
|
|
|
|
-N90- display 3 |
|
3H |
0 0 0 0 00 |
|
|
|
|
|
-N91- display 4
-N92- display 5 |
|
3M |
0 0 1 0 00 |
- Continue fault finding according to fault finding programme |
|
|
Cont'd |
-N94- display 6 |
|
4 |
1 1 1 1 00 |
=> "Fault finding" binder, Power transmission, No.14 |
1) Whilst driving with gears selected a second mechanic is required for reading the specified values.
Group No. |
Display field |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
04 |
1 |
Solenoid valve:
-N88- display 1 |
31) |
1 |
0 0 0 1 00 |
Solenoid valves are selected according to driving condition |
|
|
|
-N89- display 2 |
|
2 |
0 1 0 1 00 |
- Perform electrical check |
|
|
|
-N90- display 3 |
|
3H |
0 0 0 0 00 |
=>from page 01-69 |
|
|
|
-N91- display 4 |
21) |
1 |
0 0 0 1 00 |
- Continue fault finding according to fault finding programme |
|
|
|
-N92- display 5 |
|
2 |
0 1 0 1 00 |
=> "Fault finding" binder, Power transmission, No.14 |
|
|
|
-N94- display 6 |
11) |
1 |
0 0 0 1 00 |
|
1) Whilst driving with gears selected a second mechanic is required for reading the specified values.
Checking solenoid valves, whilst driving, gearboxes from 01.93
|
|
|---|
Group No. |
Display field |
Designation |
Test conditions
Selector lever in: |
Specified readout on V.A.G 1551 |
Rectifying fault |
04 |
1 |
Solenoid valve/shown on |
|
P |
1 0 0 1 00 |
Solenoid valves are selected according to driving condition |
|
|
|
V.A.G 1551 display |
|
R1) |
0 0 0 0 00 |
- Perform electrical check |
|
|
|
Solenoid valve: |
|
N |
1 0 0 1 00 |
|
=>from page 01-69 |
|
|
|
-N88- display 1 |
D1) |
1 |
0 0 0 1 00 |
|
|
|
|
|
-N89- display 2 |
|
2 |
0 1 0 1 00 |
|
|
|
|
-N90- display 3
-N91- display 4 |
|
3H |
0 0 0 0 00 |
- Continue fault finding according to fault finding programme |
|
|
Cont'd |
-N92- display 5
-N94- display 6 |
|
4 |
1 1 1 1 00 |
=> "Fault finding" binder, Power transmission, No.14 |
1) Whilst driving with gears selected a second mechanic is required for reading the specified values.
Group No. |
Display field |
Designation |
Test conditions
Selector lever in: |
Specified readout on V.A.G 1551 |
Rectifying fault |
04 |
1 |
Solenoid valve/shown on |
31) |
1 |
0 0 0 1 00 |
Solenoid valves are selected according to driving condition |
|
|
|
V.A.G 1551 display |
|
2 |
0 1 0 1 00 |
- Perform electrical check |
|
|
|
-N88- display 1 |
|
3H |
0 0 0 0 00 |
=>from page 01-69 |
|
|
|
-N89- display 2
-N90- display 3 |
21) |
1 |
0 0 0 1 00 |
- Continue fault finding according to fault finding programme |
|
|
|
-N91- display 4
-N92- display 5 |
|
2 |
0 1 0 1 00 |
=> "Fault finding" binder, Power transmission, No.14 |
|
|
|
-N94- display 6 |
11) |
1 |
0 0 0 1 00 |
|
1) Whilst driving with gears selected a second mechanic is required for reading the specified values.
Group No. |
Display field |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
04 |
2 |
Gear selected |
Driving1) |
Neutral
|
0
|
- Check solenoid valves => Perform electrical tests, from page 01-69 |
|
|
|
|
|
Reverse |
R |
|
|
|
|
|
|
1 hydraulic |
1 |
|
|
|
|
|
|
2 hydraulic |
2 |
|
|
|
|
|
|
3 hydraulic |
3 H |
|
|
|
|
|
|
|
3 mechanical2) |
3 M |
|
|
|
|
|
|
|
4 mechanical |
4 |
|
1) When driving, a second mechanic is needed for reading the specified values.
2) "3M" not on gearboxes with modified shift programme from 01.93 => Page 00-5.
|
|
|---|
Group No. |
Display field |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
04 |
3 |
Selector lever position |
Driving1) |
P
|
P
|
- Check multi-function switch -F125- => Perform electrical tests,from page 01-69 |
|
|
|
|
|
|
R |
R |
|
|
|
|
|
|
|
N |
N |
|
|
|
|
|
|
|
D |
D |
|
|
|
|
|
|
|
3 |
3 |
|
|
|
|
|
|
|
2 |
2 |
|
cont'd |
|
|
|
|
1 |
1 |
|
1) When driving, a second mechanic is needed for reading the specified values.
Group No. |
Display field |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
04 |
4 |
Vehicle speed |
Speed at which vehicle is driven1) |
...km/h |
The speedometer reading and readout on V.A.G 1551 may differ slightly |
05 |
1 |
ATF temperature, ATF condition is checked at approx. 50°C - 70°C |
Stationary with engine running. The exact temperature is displayed from approx. 40°C |
...°C |
- Check gearbox oil temperature sender -G93- => Perform electrical tests, from page 01-69
|
|
|
2 |
Selector outputs |
Driving1)
Engine management |
|
- Check wiring according to current flow diagram |
|
|
|
|
Display 1 |
|
is
switched on
|
1
|
- Renew engine control unit |
|
|
|
|
|
|
is
switched off |
0 |
- Renew gearbox control unit -J217- => page 01-7 |
|
|
|
|
2 |
|
switched on |
1 |
- Bring system into basic setting |
cont'd |
|
|
|
|
switched off |
0 |
|
|
1) When driving, a second mechanic is needed for reading the specified values.
Group No. |
Display field |
Designation |
Test conditions |
Specified read out V.A.G 1551 |
Rectifying fault |
05 |
2 |
Selector outputs |
Selector lever lock solenoid -N110- |
|
- Check routing of wiring on basis of current flow diagram |
|
|
|
|
Display 3 |
|
is
switched on |
1
|
- Check selector lever lock solenoid -N110- => Perform electrical tests, from page 01-69 |
|
|
|
|
|
|
is
switched off |
0 |
|
|
|
|
|
4 |
|
switched on |
1 |
|
|
|
|
|
|
|
switched off |
0 |
|
|
|
|
|
|
Cruise control system |
|
- Check routing of wiring on basis of current flow diagram |
|
|
|
|
5 |
|
switched on
|
1
|
- Check cruise control system
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
=> Golf 1992 ▸, Vento 1992 ▸ |
cont'd |
|
|
|
|
switched off |
0 |
|
Group No. |
Display field |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
05 |
2 |
Selector outputs
Display 6 |
Air conditioner
|
was switched off
|
1
|
Check routing of wiring on basis of current flow diagram
|
|
|
|
|
|
|
was not
switched off |
0 |
- Check air conditioner |
|
|
|
|
7 |
Park/Neutral signal
Selector lever in |
|
- Check routing of wiring on basis of current flow diagram |
|
|
|
|
|
|
P, N |
1 |
|
|
cont'd |
|
|
|
|
1, 2, 3, D |
0 |
|
|
|
|
|---|
Group No. |
Display field |
Designation |
Test conditions |
Specified readout on V.A.G 1551 |
Rectifying fault |
05 |
3 |
Gear to select |
Driving1) |
Neutral |
0 |
- Check solenoid valves => Perform electrical tests, from page 01-69 |
|
|
|
|
|
Reverse |
R |
|
|
|
|
|
|
|
1 hydraulic |
1 |
- If no gearshifts are performed, a clutch or brake may be defective |
|
|
|
|
|
|
2 hydraulic |
2 |
=> "Fault finding" binder, Power transmission, No. 14 |
|
|
|
|
|
3 hydraulic |
3 H |
- Renew gearbox control unit -J217- => page 01-7 |
|
|
|
|
|
3 mechanical2) |
3 M |
|
|
|
|
|
|
|
4 mechanical |
4 |
|
|
|
4 |
Engine speed |
Driving1)
with engine running |
rpm |
- Tune engine if necessary |
1) When driving, a second mechanic is needed for reading the specified values.
2) "3M" not on gearboxes with modified shift programme from 01.93 => Page 00-5.
|
