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Home >> Infiniti >> 2013 >> M56 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1087 To P2542 >> DTC P1236, 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
P1236 ETC MOT-B2 [Throttle control motor (bank 2) 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)
P2118 ETC MOT-B1 [Throttle control motor (bank 1) circuit short]