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Golf Mk3

Automatic gearbox 096
Gearbox: Electrical test
Electrical check on multi-pin connector with 68 pins
 
N37-0135

Test prerequisites, notes

The automatic gearbox control unit -J217- is located under rear seat.

  • ‒ → Switch ignition off, release multi-pin connector in direction of arrow, and pull off control unit.
 
N37-0139
  • ‒ → Fit test box V.A.G 1598/18 onto multi-pin connector (1) and lock, in direction of arrow (2).

Using test box V.A.G 1598/18 the wiring can be checked according to current flow diagram.
 
N37-0136

After electrical checks

  • ‒ → Fit multi-pin connector on control unit -J217- and lock.

Note:

When fitting ensure that the guides (arrows) are engaged on control unit pins.

Control unit -J217- multi-pin connector (68 pin) assignment (sockets on V.A.G 1598/18)

1-

Earth (terminal 31)

20-

Road speed sender -G68-

2-

Vacant

21-

Vacant

3-

Vacant

22-

Solenoid valve 6 -N93- supply voltage

4-

Vacant

23-

Supply voltage (terminal 15)

5-

Throttle valve potentiometer signal -G69-1)

24-

Diagnosis K-wire

6-

Gearbox oil temperature (ATF) sender -G93-

25-

Vacant

7-

Vacant

26-

Vacant

8-

Vacant

27-

Vacant

9-

Solenoid valve 3 -N90-

28-

Throttle valve potentiometer -G69- earth1)

10-

Solenoid valve 7 -N94-

29-

Selector lever lock solenoid -N110-

11-

Park/neutral signal

30-

Vacant

12-

Kickdown for air conditioner

31-

Vacant

13-

Ignition timing influence

32-

Vacant

14-

Vacant

33-

Vacant

15-

Brake light switch -F- signal voltage

34-

Vacant

16-

Kickdown switch -F8-

35-

Vacant

17-

Vacant

36-

Diagnosis L-wire

18-

Multi-function switch -F125-

37-

Vacant

19-

TD (revolution) signal

38-

Vacant

1)    Voltage supply and signal (contacts 50, 28 + 5) not assigned on vehicles with 6-cylinder engine or 4-cylinder engine with Simos injection and ignition system; Signal (contact 41) directed via engine control unit to gearbox control unit and can only be checked in "Reading measured value block" => Page 01-46.

39-

Vacant (by VW)

54-

Solenoid valve 2 -N89-

40-

Multi-function switch -F125-

55-

Solenoid valve 1 -N88-

41-

Load signal from engine control unit

56-

Solenoid valve 5 -N92-

42-

Diesel engine revolution sensor (screening)

57-

Selector lever display

43-

Road speed sender -G68- (screening)

58-

Solenoid valve 6 -N93-

44-

Vacant

59-

Vacant

45-

Vacant

60-

Cruise control system (input terminal15)

46-

Vacant

61-

Cruise control system (output)

47-

Solenoid valve 4 -N91-

62-

Multi-function switch -F125-

48-

Vacant

63-

Multi-function switch -F125-

49-

Vacant

64-

Engine speed sender -G28-

50-

Throttle valve potentiometer -G69- (5 volt)1)

65-

Road speed sender -G68- (Diesel engine)

51-

Vacant

66-

Vacant

52-

Vacant

67-

Solenoid valves voltage supply

53-

Vacant

68-

Vacant

1)    Voltage supply and signal (contacts 50, 28 + 5) not assigned on vehicles with 6-cylinder engine or 4-cylinder engine with Simos injection and ignition system; Signal (contact 41) directed via engine control unit to gearbox control unit and can only be checked in "Reading measured value block" => Page 01-46.

List of test steps (multi-pin connector with 68 pins)

    Only perform test steps as listed in fault finding table and read measured value block.

Component checked

  

Component checked

  

Supply voltage from control unit -J217-

- Perform test step 1

Solenoid valve 5 -N92-

- Perform test step 10

Selector lever lock solenoid -N110-

- Perform test steps 2 and 13

Solenoid valve 6 -N93-

- Perform test step 11

Brake light switch -F-

- Perform test step 3

Solenoid valve 7 -N94-

- Perform test step 12

Throttle valve potentiometer -G69-

- Perform test step 4

Kickdown switch -F8-

- Perform test step 14

Multi-function switch
-F125-

- Perform test step 5

Road speed sender -G68-

- Perform test step 15

Solenoid valve 1 -N88-

- Perform test step 6

Gearbox oil temperature (ATF) sender -G93-

- Perform test step 16

Solenoid valve 2 -N89-

- Perform test step 7

  

  

Solenoid valve 3 -N90-

- Perform test step 8

  

  

Solenoid valve 4 -N91-

- Perform test step 9

  

  

Test table > < Test table