PSM check using the PIWIS Tester
1. PIWIS Tester P 9718 must be connected to the vehicle, then start it. Switch on ignition and press >> to continue.
The PIWIS Tester 9718 is connected to the vehicle via a diagnostic socket. The diagnosis socket is located inside the vehicle in the vicinity of the driver's A-pillar below the instrument panel.
2. Select the vehicle type and call up the PSM system.
3. Carry out ABS/PSM test (see Test overview).