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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> 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, first perform the trouble diagnosis for DTC P0101. Refer to DTC LOGIC .
DTC No. Trouble diagnosis name
(Trouble diagnosis content)		 DTC detecting condition Possible cause
P100A VVEL SYSTEM-B1
[VVEL response malfunction (bank 1)]		 Actual event response to target is poor.
  • Harness or connectors

    (VVEL actuator motor assembly circuit is open or shorted.)

  • VVEL actuator motor assembly
  • VVEL actuator housing assembly
  • VVEL ladder assembly
  • VVEL control module
P100B VVEL SYSTEM-B2
[VVEL response malfunction (bank 2)]
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