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 ...
Other materials:
Headlights (models with HID headlights)
WARNING
High-intensity-discharge (HID) bulbs
are used for the low beams of the
headlights. These HID bulbs use an
extremely high voltage. To avoid the
risk of an electric shock that could
result in serious injury, observe the
following precautions.
Do not replace any headlight
bulbs (bo ...
Inspection
INSTRUMENTATION/DRIVER INFO > Multi-function Display (MFD)INSPECTION1. MULTI-FUNCTION DISPLAY SWITCH1. Measure the resistance between connector terminals.Preparation tool:Circuit testerTerminal No.Inspection conditionsStandard2 — 3 (UP)ENTER (DOWN)All OFF1 M? or more (UP)ONLess than 1 ?ENTERONA ...
Dtc u0122 lost communication with vehicle dynamics control module
TELEMATICS SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULEDetected when CAN data from VDC does not arrive.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE"> ...
