HINT
- If the same DTC C1439 and/or C1445 is not output again, the DTC may have been stored due to a temporary loss of the
steering angle zero point calibration, such as when the power source voltage drops.
- If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next
step See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and Inspection/Symptom Related
Diagnostic Procedures/Problem Symptoms Table.
B -- REPAIR CIRCUIT INDICATED BY OUTPUT DTC See: Diagnostic Trouble Code Descriptions/Vehicle Stability Control
System
A -- END
Up to 08/2009
POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: C1511-C1514,C1517: Torque Sensor Circuit Malfunction
DESCRIPTION
The torque sensor converts the rotation torque input to the steering wheel into an electrical signal and sends it to the power steering ECU. Based on
this signal, the ECU detects steering effort.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
If the power steering ECU and steering column assembly have been replaced, perform the rotation angle sensor initialization and
torque sensor zero point calibration See: Steering and Suspension/Steering/Testing and Inspection/Programming and
Relearning.
PROCEDURE
1. CHECK CONNECTOR CONNECTION CONDITION
(a) Check the installation condition of the torque sensor connector.
OK:
Torque sensor connector is securely connected to the power steering ECU.
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