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 |
Wiring diagram
POWER ASSISTED SYSTEM (POWER STEERING) (DIAGNOSTICS) > Control Module I/O SignalWIRING DIAGRAM(1)Battery(5)Engine control module (ECM)(9)Torque sensor (main & sub)(2)Ignition switch(6)Power ste ...
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