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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 P100A, P100B: VVEL System >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE:
  • If DTC P100A or P100B is displayed with DTC P1090 or P1093, first perform the trouble diagnosis for DTC P1090 or P1093. Refer to DTC LOGIC .
  • If DTC P100A or P100B is displayed with DTC P0101 or P010B, first perform the trouble diagnosis for DTC P0101 or P010B. Refer to DTC LOGIC .
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P100A VVEL response malfunction (bank 1) Actual event response to target is poor.
  • Harness or connectors

    (VVEL actuator motor circuit is open or shorted.)

  • VVEL actuator motor
  • VVEL actuator sub assembly
  • VVEL ladder assembly
  • VVEL control module
P100B VVEL response malfunction (bank 2)