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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of4) >> DTC/Circuit Diagnosis >> DTC P2118: Throttle Control Motor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. Trouble diagnosis name
(Trouble diagnosis content)
DTC detecting condition Possible cause
P2118 ETC MOT-B1
(Throttle control motor circuit short)
ECM detects short in both circuits between ECM and throttle control motor.
  • Harness or connectors

    (Throttle control motor circuit is shorted.)

  • Electric throttle control actuator

    (Throttle control motor)