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DTC Detection Logic

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
DTC MALFUNCTION DETECTED CONDITION AND POSSIBLE CAUSES

DTC Display Item Malfunction detected condition Possible causes
C1109 BATTERY VOLTAGE [ABNORMAL] When power switch ON power supply voltage is in following state.
  • Power switch ON power supply voltage: 10 V ≥ Power switch ON power supply voltage.
  • Power switch ON power supply voltage: 16 V ≤ Power switch ON power supply voltage.
  • Harness or connector
  • ABS actuator and electric unit (control unit)
  • Fuse
  • Power switch ON power supply system
  • 12V battery
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