Volkswagen Golf / Golf GTI / Jetta. Manual — part 1149

97-12

WARNING!

Airbag harness and connector repairs must
only be performed using VAS 1978 Wiring
Harness Repair Kit

VAS 1978 Instruction

Manual.

Airbag harness and connector repairs must
only be performed using genuine
Volkswagen replacement terminals,
connectors and harnesses

Parts catalog

Wiring harnesses and connectors, repairing

13/2/2005

97-13

Electrical system, general repair
measures

CAUTION!

Always refer to and heed CAUTION! and
WARNING! texts associated with repair
and/or removal and installation information
in the Repair Manual.

Only the yellow repair cables and insulation
tape supplied with VAS 1978 are to be used
for wiring/connector repairs. The use of
yellow repair wires and yellow insulation
tape identifies that a repair has taken place

VAS 1978 Instruction Manual.

Before beginning wiring and connector
repairs, determine and rectify the cause of
damage, Eg.: pinched between metal parts,
malfunctioning electrical consumers,
corrosion due to water ingress etc.

Avoid loosening or removing any individual
ground connections (potential for corrosion).

When repairs are completed, always perform
a functional check of the component or
system. Where applicable, check and erase
Diagnostic Trouble Codes (DTCs) and set
basic setting

applicable Repair Manual,

Repair Group 01 or use VAS 5051 tester.

Wiring harnesses and connectors, repairing

13/2/2005

97-14

Wiring harnesses and connectors,
general repair measures

CAUTION!

Note CAN-Bus wiring repair measures

Page 97-15

.

Soldering is not permitted!

Do not repair welded connections in the
wiring harness. Fabricate and connect an
appropriate overlay harness instead.

Wiring harness and connector repairs must
only be performed using VAS 1978 Wiring
Harness Repair Kit

VAS 1978 Instruction

Manual.

Only the yellow repair cables and insulation
tape supplied with VAS 1978 are to be used
for wiring/connector repairs. The use of
yellow repair wires and yellow insulation
tape identifies that a repair has taken place.

All shielded wiring (Eg.: knock sensors,
antenna etc.) are Not to be repaired! Replace
complete wiring harnesses as necessary.

Wiring harnesses and connectors, repairing

13/2/2005

97-15

CAN-Bus wiring, repair
measures

CAUTION!

CAN Bus wiring consists of

unshielded, two-cable wiring -1-
and -2- with a cross section of
0.35 mm

2

or 0.5 mm

2

.

Color coding:

CAN high wire,
Powertrain

orange/black

CAN high wire,
Convenience

orange/green

CAN high wire,
Infotainment

orange/violet

CAN low wire, (all) orange-

brown

Perform wiring harness repairs
only with yellow wires from
VAS 1978 Wiring Harness
Repair Kit. Mark repair
locations with yellow tape.

Both bus wires must be the
same length. When both wires -
1- and -2- are twisted, length -A-
= 20 mm must be maintained
for the twist.

No part of the bus wiring in the
vicinity of heat-shrink sleeves -
arrow-, may be greater than B =
50 mm without the wires being
twisted.

Wiring harnesses and connectors, repairing

13/2/2005