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Home >> Infiniti >> 2008 >> M45 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (VK45DE) - DTCS P1550 Through P2A03 >> DTC P2100, P2103 Throttle Control Motor Relay >> On Board Diagnosis Logic >> Notes
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On Board Diagnosis Logic: Notes

These self-diagnoses have the one trip detection logic. 

DTC DETECTING CONDITION CHART

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