Volkswagen Workshop Service and Repair Manuals

Switch to voltage measuring range 20 V

Test step

V.A.G 1598/18 sockets

Test of

▪ Test conditions
- Additional operations

Specified value

Rectifying fault

1

23 + 1

Supply voltage from control unit -J217-

▪ Ignition switched on

approx. battery voltage

- Check wiring according to current flow diagram
Check wire from contact 1 to earth
Check wire from contact 23 to terminal 15 (fuse No. 31)

45 +1

- Check wire from contact 45 to terminal 30 (fuse No. 15)

2

15 + 1

Brake light switch -F-

▪ Ignition switched on
▪ Brake pedal not depressed

Less than 1 V

- Check wiring using current flow diagram

- Brake pedal depressed

approx. battery voltage

- Renew brake light switch -F- and adjust if necessary

Switch to resistance measuring range 200 ω

Test step

V.A.G 1598/18 sockets

Test of

▪ Test conditions
- Additional operations

Specified value

Rectifying fault

3

55 + 67

Solenoid valve 1

▪ Ignition switched off

55 to 65 ω

55 + 1
67 + 1

-N88-

▪ Ignition switched off
Switch V.A.G 1526 to greatest ω range

infinite ω

- Check wiring according to current flow diagram

4

54 + 67

Solenoid valve 2

▪ Ignition switched off

55 to 65 ω

54 + 1
67 + 1

-N89-

▪ Ignition switched off
Switch V.A.G 1526 to greatest ω range

infinite ω

- Check conductor strip according to current flow diagram

5

9 + 67

Solenoid valve 3

▪ Ignition switched off

55 to 65 ω

- Renew conductor strip

9 + 1
67 + 1

-N90-

▪ Ignition switched off
Switch V.A.G 1526 to greatest ω range

infinite ω

=> Removing and installing conductor strip

6

47 + 67

Solenoid valve 4

▪ Ignition switched off

4.5 to 6.5 ω

- Renewing valve body

47 + 1
67 + 1

-N91-

▪ Ignition switched off
Switch V.A.G 1526 to greatest ω range

infinite ω

=> Repair group 38; Removing and installing valve body

Switch to resistance measuring range 200 ω

Test step

V.A.G 1598/18 sockets

Test of

▪ Test conditions
- Additional operations

Specified value

Rectifying fault

7

56 + 67

Solenoid valve 5

▪ Ignition switched off

55 to 65 ω

56 + 1
67 + 1

-N92-

▪ Ignition switched off
Switch V.A.G 1526 to greatest ω range

infinite ω

- Check wiring according to current flow diagram

8

58 + 22

Solenoid valve 6

▪ Ignition switched off

4.5 to 6.5 ω

- Check conductor strip according to current flow diagram

58 + 1
22 + 1

-N93-

▪ Ignition switched off
Switch V.A.G 1526 to greatest ω range

infinite ω

- Renew conductor strip
Removing and installing conductor strip

9

10 + 67

Solenoid valve 7

▪ Ignition switched off

55 to 65 ω

- Renew valve chest

10 + 1
67 + 1

-N94-

▪ Ignition switched off
Switch V.A.G 1526 to greatest ω range

infinite ω

=> Repair group 38; Removing and installing valve chest

Switch to resistance measuring range 200 ω

Test step

V.A.G 1598/18 sockets

Test of

▪ Test conditions
- Additional operations

Specified value

Rectifying fault

10

1 + 16

Kickdown switch -F8-

▪ Ignition switched off
Switch V.A.G 1526 to greatest ω range

infinite ω

- Check wiring according to current flow diagram

(can only be checked, when switch is integrated in accelerator cable)

▪ Accelerator pedal not depressed

- Pull connector off switch, repeat measurement on switch

- Switch V.A.G 1526 to 200 ω range
Depress accelerator as far as kickdown

less than 1.5 ω

- Adjust accelerator cable or renew

11

23 + 29

Selector lever lock solenoid -N110-

▪ Ignition switched off

12 to 15 ω

- Pull selector lever light connector off, repeat measurement

Switch to resistance measuring range 2 Mω

Test step

V.A.G 1598/18 sockets

Test of

▪ Test conditions
- Additional operations

Specified value

Rectifying fault

12

6 + 67

Gearbox oil temperature sender -G93- (ATF)

▪ Ignition switched off

- Check wiring according to current flow diagram
Renew conductor strip

▪ ATF temperature

approx. 20 °C

0.247 M ω

- Switch hand multimeter V.A.G 1526 to 200 K ω
approx. 60° C
approx. 120° C

48.8 K ω
7.4 K ω

Switch to resistance measuring range 20 K ω

Test step

V.A.G 1598/18 sockets

Test of

▪ Test conditions
- Additional operations

Specified value

Rectifying fault

13

20 + 65

Road speed sender -G68-

▪ Ignition switched off

- Pull connector off sender, repeat measurement on sender , Fig. 15

min.

0.8 K ω

- Check wiring from control unit to sender according to current flow diagram

max.

0.9 K ω

14

21 + 66

Gearbox speed sender -G38-

▪ Ignition switched off

- Pull connector off sender, repeat measurement on sender Page 01-23 , Fig. 14
Check wiring from control unit to sender according to current flow diagram

min.

0.8 Kω

- Renew gearbox speed sender -G38- , Fig. 14

max.

0.9 K ω