EPS Control Unit

This unit controls the electric power steering.

It is located with the steering column assembly, and connects to the electric power steering motor, and torque and position sensors. Its communication with the rest of the car is only via CANBUS.

Connections

M37

Pin No.	Color of Wire	Signal Name
1	Green	CAN-L
2	Gray	CAN-H
3	-	-
4	Lavender / White	V Ign
5	-	-
6	-	-
7	-	-
8	-	-

M38

Pin No.	Color of Wire	Signal Name
9	Red	Battery+
10	Black	Gnd

M58

Pin No.	Color of Wire	Signal Name
11	Black	Torque Sensor Gnd
12	Yellow	Torque Sub Sensor Signal
13	-	-
14	Red	Torque Sensor Power Supply
15	Green	Torque Main Sensor Signal
16	-	-
17	White	Torque Sensor Reference Voltage
18	-	-

M59

Pin No.	Color of Wire	Signal Name
19	White	Reference Signal R1
20	-	-
21	Black	Gnd
22	-	-
23	-	-
24	Yellow	Position Signal S2 (Sine)
25	-	-
26	Red	Position Signal S1 (Cosine)