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Home >> Infiniti >> 2002 >> Q45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Q45 >> Diagnostic Tests >> DTC P0505: Idle Speed Control System >> Notes

DTC P0505: Idle Speed Control System: Notes

NOTE: If DTC P0120, P1122 or P1123 is also set, perform diagnosis for those DTCs first.
NOTE: Before performing diagnostic procedure, follow testing procedure. See TESTING PROCEDURE  under SELF-DIAGNOSTIC SYSTEM.