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Home >> Infiniti >> 2009 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - G37 (Convertible) - DTC P0340 Through P1168 >> DTC P1090, P1093: VVEL Actuator Motor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE: If DTC P1090 or P1093 is displayed with DTC P1091, first perform the trouble diagnosis for DTC P1091.

Refer to "DTC LOGIC ".

DTC DETECTION CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1090 VVEL system performance (bank 1)
  • Event angle difference between the actual and the target is detected.
  • Abnormal current is sent to VVEL actuator motor.
  • Harness or connectors

    (VVEL actuator motor circuit is open or shorted).

  • VVEL actuator motor
  • VVEL actuator sub assembly
  • VVEL ladder assembly
  • VVEL control module
P1093 VVEL system performance (bank 2)
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