C1512

POWER STEERING: POWER STEERING SYSTEM: C1511-C1514: Torque Sensor Circuit Malfunction

DTC C1511 - Torque Sensor Circuit Malfunction

DTC C1512 - Torque Sensor Circuit Malfunction

DTC C1513 - Torque Sensor Circuit Malfunction

DTC C1514 - Torque Sensor Power Supply Abnormal

DESCRIPTION

The torque sensor converts the rotation torque input from the steering wheel into electric signals and sends them to the power steering ECU.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK CONNECTOR CONNECTION CONDITION (TORQUE SENSOR - POWER STEERING ECU)
(a) Check the installation condition of the torque sensor connector.
OK:
Torque sensor connector is securely installed to the power steering ECU.
Result:






B -- CHECK TORQUE SENSOR
A -- Continue to next step.
2. RECONFIRM DTC
(a) Reinstall the torque sensor connector.
(b) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.
OK:
DTC is not output.
Result:






B -- END
A -- Continue to next step.
3. CHECK TORQUE SENSOR




(a) Turn the ignition switch on (IG).
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:






NG -- REPLACE STEERING COLUMN ASSEMBLY
OK -- REPLACE POWER STEERING ECU