Test Point 17
Test point 17
Switch-over valve DTC 5265
The complete hydraulic unit must be replaced if the switch-over valve is damaged.
In the switch-over valve test with the Porsche System Tester 2, select switch-over valve in the Drive links menu and perform the test according to the Tester instructions.
If the functions specified in the Tester display: Rear axle locked up / Rear axle free are not achieved, the following faults are possible:
Brake not actuated at the start of the test
Test sequence not observed
Function of the switch-over valve not OK