LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2020 >> QX80 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (4 Of 5) >> Engine (ECM) >> DTC P2118: Throttle Control Motor >> DTC Description >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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)