Subaru Crosstrek manuals

Subaru Crosstrek Service Manual: Electrical specification

POWER ASSISTED SYSTEM (POWER STEERING) (DIAGNOSTICS) > Control Module I/O Signal

ELECTRICAL SPECIFICATION

NOTE:

The terminal numbers of the power steering control module connectors are as indicated in the figure.

Contents

Terminal No.

Input/output signal

Measured value and measuring conditions

Power supply (IG SW)

A1

Battery voltage is detected with the ignition switch ON when measuring between A1 — B1.

Subaru Select Monitor communication line

A2

Digital signal; can not be measured

Shield GND

A3

0 V is constantly detected.

Main torque sensor

A4

The voltage changes when the steering is operated to the right or left with the ignition switch ON.

Sub torque sensor

A5

The voltage changes when the steering is operated to the right or left with the ignition switch ON.

CAN communication

A6

Digital signal; can not be measured

CAN communication

A7

Digital signal; can not be measured

Torque sensor operating power supply

A8

Approximately 8 V is detected with ignition switch ON.

Torque sensor ground

A9

0 V is constantly detected.

Torque sensor standard power supply

A10

Approximately 3 V is detected with ignition switch ON.

Ground

B1

Battery voltage is constantly detected when measuring between B1 — B2.

Power supply

B2

Resolver S1

C1

Varies depending on the operational status of the motor.

Resolver S3

C2

Resolver S2

C3

Resolver S4

C4

Excitation power supply for resolver

C5

Common output

C6

Motor U phase

D1

Varies depending on the motor output.

Motor V phase

D2

Motor W phase

D3

Control module i/o signal
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Wiring diagram
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