FixVault

On Board Diagnosis Logic: Notes

These self-diagnoses have the one trip detection logic  .

ON BOARD DIAGNOSIS LOGIC

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 detects the throttle control motor relay is stuck ON.
  • Harness or connectors

    (Throttle control motor relay circuit is shorted)

  • Throttle control motor relay