FixVault

DTC Detection Logic

DTC Display Item Malfunction detected condition Possible causes
C1109 BATTERY VOLTAGE
[ABNORMAL]
  • 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