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Infiniti
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2009
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G37 Base, 2D Coupe
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Repair and Diagnosis
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Steering
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Steering Control Systems
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Steering Control System -- Coupe
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With 4WAS
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Component Diagnosis
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DTC C1909: 4WAS Main Control Unit
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DTC Logic
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DTC Detection Logic
DTC Detection Logic
DIAGNOSTIC ITEM CHART
DTC
Items (CONSULT-III screen terms)
Diagnostic item is detected when.
Possible cause
C1909
CONTROL UNIT [ABNORMAL6]
An error is detected inside 4WAS main control unit.
4WAS main control unit