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Home › Infiniti › 2012 › M37 Base › Repair and Diagnosis › Brakes › Traction Control › Brake Control System (With VDC) › DTC/Circuit Diagnosis › DTC C1109: Power And Ground System › DTC Logic › DTC Detection Logic

DTC Detection Logic

DTC Display Item Malfunction detected condition Possible causes
C1109 BATTERY VOLTAGE [ABNOMAL]
  • When ignition voltage is 10 V or less.
  • When ignition voltage is 16 V or more.
  • Harness or connector
  • ABS actuator and electric unit (control unit)
  • Fuse
  • Ignition power supply system
  • Battery
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