Connector assignment

Fig 1: Identifying Headlight Beam Adjustment (HBA) Control Module Connector Pin Assignments

Courtesy of PORSCHE OF NORTH AMERICA, INC.

CONNECTOR PIN DESIGNATION - HBA CONTROL MODULE

Pin	Designation
1	Stepper motor, left
2	Stepper motor, left
3	Stepper motor, left
4	Stepper motor, left
5	Stepper motor, right
6	Stepper motor, right
7	Stepper motor, right
8	Stepper motor, right
9	Diagnosis
10	Terminal 58 (parking light)
11	Wheel speed signal
12	Angle sensor for HBA (signal wire), front
13	Angle sensor for HBA (signal wire), rear
14	+5V supply for angle sensors
15	Terminal 56A (high beam)
16	Terminal 15 (ignition)
17	Ground for angle sensors
18	Terminal 31 (ground for control module)