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Home >> Mitsubishi >> 2013 >> Lancer ES, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Active Stability Control System (ASC) - Lancer Evolution) >> Diagnosis >> Diagnostic Trouble Code Procedures >> DTC C121A: Abnormality In Steering Wheel Sensor Initialization >> Circuit Operation
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Circuit Operation

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Steering wheel sensor stores the neutral position learned using scan tool MB991958. When the neutral position has not been learned, the steering wheel sensor outputs the signal indicating that the learning has not been performed.