Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC C1711 Steering Angle Sensor: Wiring Diagram
2016 Subaru Legacy 2.5iSECTION Wiring Diagram
NOTE:
For the coupling connector, refer to "WIRING SYSTEM".
Vehicle dynamics control system < Ref. to appropriate wiring diagram in SYSTEM WIRING DIAGRAM article. >
DIAGNOSTIC PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
1 CHECK POWER SUPPLY FOR STEERING ANGLE SENSOR.
|
Is the voltage 10 - 15 V? | Go to step 2 . | Repair the steering angle sensor power supply circuit including the fuse. |
| 2 CHECK GROUND CIRCUIT OF STEERING ANGLE SENSOR (CHECK FOR OPEN CIRCUIT). Measure the resistance between steering angle sensor and chassis ground. Connector & terminal (i74) No. 1 - Chassis ground: |
Is the resistance less than 10 Ω? | Go to step 3 . | Repair ground circuit in the steering angle sensor. |
3 CHECK STEERING ANGLE SENSOR HARNESS (CHECK FOR OPEN CIRCUIT).
|
Is the resistance less than 1 Ω? | Go to step 4 . | Repair the harness between the steering angle sensor and VDCCM & H/U. |
| 4 CHECK GROUND SHORT CIRCUIT OF STEERING ANGLE SENSOR HARNESS. Measure the resistance between steering angle sensor and chassis ground. Connector & terminal (i74) No. 2 - Chassis ground: (i74) No. 3 - Chassis ground: |
Is the resistance 10 Ω or more? | Go to step 5 . | Repair the harness between the steering angle sensor and VDCCM & H/U. |
5 CHECK STEERING WHEEL.
|
Is the deviation from the center of steering wheel less than 5°? | Go to step 6 . | Perform the centering adjustment of steering wheel, and perform the VDC sensor midpoint setting mode. < Ref. to VDC SENSOR MIDPOINT SETTING MODE , ADJUSTMENT, VDC Control Module and Hydraulic Control Unit (VDCCM & H/U). > |
6 CHECK OUTPUT OF STEERING ANGLE SENSOR USING SUBARU SELECT MONITOR.
|
Is the indicated reading of the steering angle sensor -10° - 10°? | Perform the VDC sensor midpoint setting mode. < Ref. to VDC SENSOR MIDPOINT SETTING MODE , ADJUSTMENT, VDC Control Module and Hydraulic Control Unit (VDCCM & H/U). > Go to step 7 . | Check the installation of the steering wheel and steering angle sensor. |
7 CHECK STEERING ANGLE SENSOR USING SUBARU SELECT MONITOR.
|
Is the same DTC displayed? | Replace the steering angle sensor. < Ref. to STEERING ANGLE SENSOR . > | Go to step 8 . |
| 8 CHECK DETECTION OF OTHER DTCS FOR VDC. < Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) . > |
Is any other DTC displayed? | Perform the diagnosis according to DTC. < Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > | Currently, it is normal. There may have been a poor contact in the harness and connector or a temporarily noise interference. |
| 9 CHECK DETECTION OF OTHER DTCS FOR VDC. < Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) . > |
Is any other DTC displayed? | Perform the diagnosis according to DTC. < Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > | Original steering angle sensor malfunction |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.