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2.2 General instructions for wiring harness
and plug repair
Caution
Observe the general instructions for the repair on the vehicle
electrics ⇒ i2.1 nstructions for the repair on the vehicle elec‐
trics”, page 41 .
Do not solder when carrying out repairs on the vehicle elec‐
trics.
After crimping, the crimp connector must be shrunk with the
hot-air blower in order to prevent moisture from penetrating.
Shielded cables, such as wheel speed sensor and knock
sensor cables, must not be repaired. They must be replaced
completely in case of damage.
If the required cable cross-section is not present in the wiring
loom repair kit, the larger cross-section must be used.
Mark the repair points with yellow adhesive tape.
The points in the wiring loom marked with the yellow adhe‐
sive tape indicate a previous repair.
A functional test must be carried out after each repair. If
necessary, the event memories must be interrogated with the
⇒ Vehicle diagnostic tester, erased and/or the systems must
be put into the basic setting.
Special tools and workshop equipment required
♦ Release tool set -S506815V- . -S506825V-, -S506840V- . -
S506850V- or -VAS 1978/35-
♦ Wiring harness repair set -S504500V- or -VAS 1978B-
The car tool kit includes necessary tools (except the release
tool set) as well as consumables.
The car tool kit ensures optimal repair quality of the vehicle
electrics. Repairs of plug connections and line interruptions can
be carried out with the tools.
For this purpose, complete repair cables with pre-crimped con‐
tacts are used and connected to the vehicle's own wiring loom
by means of crimp connectors.
The repair cables can be ordered ⇒ Electronic Catalogue of
Original Parts “ETKA”.
A stop plier with three different crimp recesses and a hot-air
blower for shrinking the crimp connectors ensure a proper elec‐
trical connection.
In case of re-ordering, only use the order number of the spare
part, which is given on the check-list enclosed with the Owner's
Manual.
The release tool set is used to release different primary and
secondary locks at the contact plugs.
For example, round plug connector systems, flat contacts with
one or two catches as well as single cable seals can be profes‐
sionally released or installed using the release tool set.
Citigo 2012 ➤, Citigo-e iV 2020 ➤, Enyaq 2021 ➤, Enyaq Coupe 2021 ➤, Fabia 2000 ...
Electrical System - general notes - Edition 12.2021
42 Rep. gr.97 - Wiring
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