6-2-4-ehlektricheskijj-vakuumnyjj-nasos.html
6.2.4. The electric vacuum pumpThe description and work
The electric vacuum pump is established only on cars with an automatic transmission. It joins the block of management of the engine depending on pressure of air in an inlet collector.
The vacuum pump has self-diagnostics. The found out malfunctions remain in memory of the block of management of the engine.
Check of work of the electric vacuum pump by a self-diagnostics method is supposed only at the stopped engine.
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