Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc c2511 torque sensor main

Subaru Legacy BN/BS (2015-2019) Service Manual / Power assisted system (power steering) (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc c2511 torque sensor main

DTC DETECTING CONDITION:

When torque sensor main output voltage failure is detected after the ignition switch is ON.

TROUBLE SYMPTOM:

• The steering wheel operation feels heavy.

• STEERING warning light illuminates.

WIRING DIAGRAM:

Electric power steering system Electric Power Steering System

STEP	CHECK	YES	NO
1.CHECK TORQUE SENSOR SIGNAL. 1) Display the current data of the power steering control module using the Subaru Select Monitor. 2) Check the voltage of «Torque sensor main output», «Torque sensor sub output» and «Torque sensor power supply voltage».	Are the voltage of «Torque sensor main output» and «Torque sensor sub output» 2.5±0.3 V- Is the voltage of «Torque sensor power supply voltage» 5±0.3 V-	Check for poor contact of the connector, and check the conditions again. If the condition recur, go to the next step. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2511 TORQUE SENSOR MAIN If it does not recur, complete the inspection.	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2511 TORQUE SENSOR MAIN
2.CHECK HARNESS. 1) Turn the ignition switch to OFF. 2) Remove the cradle. Cradle 3) Disconnect the connectors (B450, B451). 4) Using a tester and special tool harness, check the resistance between harness terminals. Connector & terminal (B451) No. 1 — (B450) No. 6: (B451) No. 2 — (B450) No. 7: (B451) No. 3 — (B450) No. 2: (B451) No. 4 — (B450) No. 1:	Is the resistance less than 10 --	Replace the steering gearbox. Electric Power Steering Gearbox	Repair or replace the harness.

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