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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 DETECTION CONDITION AND POSSIBLE CAUSES

DTC Display item Malfunction detection condition Possible causes
C1A66 MASTER PRESSURE SENSOR
  • Open circuit is detected in master cylinder fluid pressure sensor 1 circuit.
  • Short circuit is detected in master cylinder fluid pressure sensor 1 circuit.
  • Malfunction is detected in master cylinder fluid pressure sensor 1.
  • Harness or connector
  • Master cylinder fluid pressure sensor 1 improper installation
  • Master cylinder fluid pressure sensor 1
  • Electrically-driven intelligent brake unit