General Information
P0505 Idle Air Control System
General Information
Component Location
General Description
The ISCA (Idle Speed Control Actuator) is designed to maintain a steady desired idle speed. Idle airflow is adjusted through the idle air actuator in order to maintain the desired idle speed under various load conditions. Load conditions vary due to numerous factors, such as engine temperature, air conditioning, electrical load and power steering load.
DTC Description
If actual engine speed is over the 100 rpm lower than desired engine speed, or over the 200 rpm higher than desired engine speed, ECM set P0505 code.
DTC Detecting Condition
Specification
Diagnostic Circuit Diagram
Signal Waveform & Data