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Home >> Infiniti >> 2008 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P1148 To P2A03 >> DTC P2118: Throttle Control Motor >> On Board Diagnosis Logic >> Notes
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On Board Diagnosis Logic: Notes

This self-diagnosis has the one trip detection logic. 

DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2118
2118
Throttle control motor circuit short ECM detects short in both circuits between ECM and throttle control motor.
  • Harness or connectors (Throttle control motor circuit is shorted.)
  • Electric throttle control actuator (Throttle control motor)