Brake System Vacuum Pump V192, Checking

Brake System Vacuum Pump V192, checking
During the start sequence the Brake System Vacuum Pump V192 must run briefly.

Work sequence
- Position vehicle on a lifting platform, switch engine off.
- Start engine.
- Check by touch that the Brake System Vacuum Pump V192 is running with the assistance of a second person.

If the Brake System Vacuum Pump V192 does not run:
- Read engine control module Diagnostic Trouble Code (DTC) memory.