DTC P0505: Notes

DTC P0505 [L3 WITH TC] DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0505	IAC system problem
DETECTION CONDITION	The PCM cannot control idle speed toward the target idle speed during the KOER self test.
POSSIBLE CAUSE	Air cleaner element clogged Air intake passage clogged A/C relay control circuit malfunction Generator control circuit malfunction Low engine compression (Over capacity of blow-by gas) Electronic throttle control system improper operation PCM malfunction