2. It is not allowed to repair airbag wires and shielded wires, such as wheel speed sensors or detonation sensors.
3. Repair damaged wires only with the appropriate yellow wire. It is possible to use a wire with insulation of a different color, but in this case, wrap the recovery site with yellow tape.
4. Perform a functional test of the circuit or consumer after repair. If necessary, contact a workshop to read the codes of the registered faults and check the settings of the electrical system.
Repair of the ABS wires must be carried out by a specialist workshop.
When restoring the wiring harness, be sure to follow the sequence and methodology specified in this chapter. The repair of electrical wiring with a cross section of 0.35 mm2 is indicated as a sample.
5. Disconnect the wire terminal from the negative pole of the battery «masses» (-).
Attention! When the battery is disconnected, data is deleted from the electronic units of some control systems, for example, the security code from the radio. Without the subsequent code entry, the receiver will not work. It can only be turned on by contacting the manufacturer or an AUDI workshop.
To repair a damaged electrical wire with a cross section, you will need a 0.35 mm2 piece of wire with a cross section of 0.5 mm2.
6. Remove the insulation from the ends of the 0.5 mm2 wire using appropriate pliers. The length of the bare ends of the wire should be 6-7 mm.
7. Strip the 0.35 mm2 wire for a length of 12-14 mm. Bend the bare ends of the wires approximately in half.
8. Put a connecting sleeve on the ends of the wires and press it in using the pressing pliers.
Attention! In this case, damage to the insulation of the connected wires is not allowed. Remember that for a wire with a cross section of 0.5 mm2, a hole of the appropriate diameter must be selected to press the bushing onto the pliers.
9. Solder the bushing insulation with a heat gun and a suitable heat gun attachment. The heating of the connecting sleeve should be carried out from the middle to the ends until it is completely sealed and an adhesive mass appears at the ends.
Attention! Do not use a burning hair dryer to damage nearby wire insulation, plastic parts, or noise-reducing pads.
10. Wrap yellow tape around the connected repair wire.
11. Connect to the negative pole of the battery wire terminal «masses» (-).
12. Activate the automatic power windows, and also set the clock and enter the security code into the radio.
Opening plug connections
Most car electrical system plugs are attached to the body or nearby parts with a holder.
In order to remove the plug from the holder, it is necessary to move the latch tab on the housing in the direction of the arrow.
To disconnect the plug, the latch of the locking latch must be pressed. For some plugs, the leash of this latch must be lifted up.
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