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Home >> Infiniti >> 2008 >> EX35 Base, RWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P1217 To P2A03 >> P1290, P2100, P2103 Throttle Control Motor Relay >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC DETECTING CONDITION AND POSSIBLE CAUSE REFERENCE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1290 Throttle control motor relay circuit open (bank 2) 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
P2100 Throttle control motor relay circuit open (bank 1)
P2103 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