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Home >> Infiniti >> 2024 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (4 Of 4) >> Engine (ECM) >> DTC P2103: Throttle Control Motor Relay >> DTC Description
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DTC Description

DTC DETECTION LOGIC 

DTC No. Trouble diagnosis name
(Trouble diagnosis content)
DTC detecting condition Possible cause
P2100 ETC MOT PWR-B1
[Throttle control motor relay circuit open (bank 1)]
ECM detects that the voltage of power source for throttle control motor is excessively low.
  • Harness or connectors

    (Throttle control motor relay circuit is open)

  • Throttle control motor relay
P2103 ETC MOT PWR
(Throttle control motor relay circuit short)
ECM detects that the throttle control motor relay is stuck ON.
  • Harness or connectors

    (Throttle control motor relay circuit is shorted)

  • Throttle control motor relay