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Home >> Nissan-Datsun >> 2014 >> 370Z Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brake Control System >> DTC/Circuit Diagnosis >> DTC C1140: Actuator Relay System >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC Display item Malfunction detected condition Possible cause
C1140 ACTUATOR RELAY During the actuator relay operating with OFF, when the actuator relay turns ON, or when the control line for the relay is shorted to the ground.
  • Harness or connector
  • ABS actuator and electric unit
During the actuator relay operating with ON, when the (control unit) actuator relay turns ON, or when the control line for the relay is open.