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Home >> Infiniti >> 2007 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0451 To P1217 >> DTC P0506 ISC System >> On Board Diagnosis Logic

On Board Diagnosis Logic

DTC DETECTING CONDITION

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0506
0506		 Idle speed control system RPM lower than expected The idle speed is less than the target idle speed by 100 rpm or more.
  • Electric throttle control actuator
  • Intake air leak
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