Rules for working with electrical equipment components
Before disconnecting or connecting electrical components, turn off the ignition. This will prevent damage to electronic equipment from voltage surges when disconnecting live components.
The work area and hands must be free of oil, chips and other contaminants. Oil attracts dirt particles that can cause current leaks (short circuits) or increased circuit resistance.
When handling printed circuit boards, be careful and only handle them by the edges. Remember that some electronic components are sensitive to static electricity.
Never use excessive force to connect or disconnect connectors; this requirement applies in particular to printed circuit board connectors. Damaged contacts can cause short circuits or open circuits.
Before starting work and periodically during diagnostics, touch the vehicle's ground with your hand to drain static electricity. Some electronic components can be damaged by static electricity on a person's body or clothing.
Lubrication of electrical components
Some electrical connectors located under the body or under the hood are protected from corrosion by a special lubricant during the production of the car. If the integrity of such connectors has been compromised or the connectors are subject to replacement, they must be treated with a special lubricant: Lubricant catalog number BAU 5811, supplied in 150 gram tubes.
NOTE: Do not use lubricants other than BAU 5811. This may cause lubricant to come into contact with relay and switch contacts and cause intermittent loss of contact or failure to operate.
Comments on this article