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Home >> Infiniti >> 2017 >> QX50 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 4) >> DTC / Circuit Diagnosis >> DTC P1568: ICC Function >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE:
  • If DTC P1568 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX. 
  • If DTC P1568 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to  DTC LOGIC   .
  • If DTC P1568 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to  DTC LOGIC  . 
DTC No. Trouble Diagnosis Name DTC Detecting Condition Possible Cause
P1568 ICC function ECM detects a difference between signals from ICC sensor integrated unit is out of specified range.
  • Harness or connectors

    (The CAN communication line is open or shorted.)

  • ICC sensor integrated unit
  • ECM