Volkswagen Golf / Golf GTI / Jetta. Manual — part 355

01-104

Test requirements

Switch ignition and electrical

consumers off before beginning
the check (headlights, lighting,
fan ...).

Fuses S9, S13, S178 and S179

must be OK (remove fuses from
fuse holder to check).

Removing air cleaner

- Pull connector -2- off mass air

flow sensor.

- Release spring-type clip -1- on air

duct hose with pliers V.A.G 1921
and pull hose off air cleaner.

- Remove air cleaner bolts -3- and

take out air cleaner -4-.

ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

01-105

- Release ABS control module

(w/EDL) -J104- connector -arrow
1- and pull off -arrow 2-.

The specified values are matched to
the V.A.G 1526 and are not
necessarily applicable for other test
units.

- Connect test box V.A.G 1598/21 -

1- to multi-pin connector of ABS
control module (w/EDL) -J104- (-
2-).

ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

01-106

Multi-pin connector with
contact assignment

Note:

All contacts not listed are currently
not assigned and must never be
connected to other components!

Contact assignment of

connectors for voltage supply and
On Board Diagnostic (OBD) with
V.A.G 1551 Scan Tool

Contact
4

= Ground (terminal 31)

Contact
16

= Positive (terminal 30)

to S12

Contact
7

= K wire to contact 7 of

multi-pin connector
T25 of ABS control
module (w/EDL) -
J104-

Contact assignment of connector

T25 wiring harness/ABS control
module (w/EDL) -J104-

ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check

01-107

Contact

Wiring connection to component ...

1

Left front ABS wheel speed sensor -G47-

2

Left front ABS wheel speed sensor -G47-

3

Coding bridge to contact 14

4

Voltage supply to ignition switch

5

Left rear ABS wheel speed sensor -G46-

6

Left rear ABS wheel speed sensor -G46-

7

Connector T16/7, K wire

8

Ground point left in engine compartment and Ground connection in

engine compartment wiring harness

9

Voltage supply from battery +

10

Data bus wire

Wiring diagrams

11

Data bus wire

Wiring diagrams

12

Vehicles with navigation system only

ABS, ABS/EDL and ABS/EDL/ASR ITT Mark 20 IE, electrical check