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Home >> Infiniti >> 2013 >> M56 Base >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance System (ADAS Control Unit) >> DTC/Circuit Diagnosis >> DTC C1A01: Power Supply Circuit 1, C1A02 Power Supply Circuit 2 >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC (On board display) Trouble diagnosis name DTC detecting condition Possible causes
C1A01 (1) POWER SUPPLY CIR The battery voltage sent to ADAS control unit remains less than 7.9 V for 5 seconds
  • Connector, harness, fuse
  • ADAS control unit
C1A02 (2) POWER SUPPLY CIR 2 The battery voltage sent to ADAS control unit remains more than 19.3 V for 5 seconds