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Home >> Scion >> 2014 >> FR-S Standard Trans >> Repair and Diagnosis (Single Page) >> Steering >> Electronic Steering >> Power Steering System (Diagnostic Codes & Circuit Tests) >> Power Steering System >> DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1555: Motor Relay Welding Failure >> Description

DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1555: Motor Relay Welding Failure: Description

The power steering ECU assembly supplies the current to the power steering motor through the motor circuit.

DTC Code DTC Detection Condition Trouble Area
C1522 A motor current sensor malfunction
  • Steering column assembly
  • Power steering ECU assembly
C1523 An excessively large current deviation
C1524 A short or open in the motor circuit or abnormal voltage or current in the motor circuit
C1555 A motor relay malfunction