Connector of PSM 5.3 hydraulic unit

Fig 1: Identifying PSM 5.3 Hydraulic Unit Harness Connector Pins

Courtesy of PORSCHE OF NORTH AMERICA, INC.

PIN DESIGNATION (PSM 5.3 HYDRAULIC UNIT HARNESS CONNECTOR)

Pin	Designation
1	Booster valve 1
2	Front right inlet solenoid valve
3	Rear right inlet solenoid valve
4	Booster valve 2
5	Rear left inlet solenoid valve
6	Switch-over valve 2
7	Switch-over valve 1
8	Rear left inlet solenoid valve
9	Solenoid valve outlet rear left
11	Solenoid valve outlet rear right
12	Front right outlet solenoid valve
15	Front left outlet solenoid valve