DTC P0505:00: Notes

DTC P0505:00 (L3 WITH TC) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0505:00

Idle control system malfunction

DETECTION CONDITION

The PCM cannot control idle speed toward the target idle speed during the KOER self test.

Diagnostic support note

This is a continuous monitor (other).
The MIL does not illuminate.
FREEZE FRAME DATA (Mode 2)/Snapshot data is not available.
DTCs are not stored in the PCM memory.

POSSIBLE CAUSE

Electronic throttle control system improper operation
A/C relay control circuit malfunction
Generator control circuit malfunction
Air cleaner element clogged
Air intake passage clogged
Low engine compression (Over capacity of blow-by gas)
PCM malfunction