Test Point 17

TEST POINT 17
Switch-over Valve

DTC 5265

The complete hydraulic unit must be replaced if the switchover 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 switchover valve not OK.