LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2007 >> FX45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1225 To P2A03 (VK45DE) >> DTC P2100, P2103 Throttle Control Motor Relay >> On Board Diagnosis Logic >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

On Board Diagnosis Logic: Notes

These self-diagnoses have the one trip detection logic. 

DTC DETECTING CONDITION

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2100 2100 Throttle control motor relay circuit open ECM detects a 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 2103 Throttle control motor relay circuit short ECM detect the throttle control motor relay is stuck ON.
  • Harness or connectors

    (Throttle control motor relay circuit is shorted)

  • Throttle control motor relay