Vacuum System, Checking, RS 5: Notes
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Special Tools And Workshop Equipment Required
- Vehicle Diagnostic Tester
Description And Function:
The electrical vacuum pump is switched on by the engine control module depending on the intake line pressure.
The vacuum pump has OBD. Detected faults are stored in engine control module.
NOTE:
The function of the electrical vacuum pump can only be checked using OBD when the engine is switched off.