General Information

Engine Control
P050A Cold Start Idle Air Control System Perfromance - General Information

Component Location





General Description

ETC keeps 1,450 RPM by retard of ignition timing in order to activate the catalyst converter under the condition that engine off time is over than 8 hour and coolant temperature is lower than 77°F.
If ETC can't keep the RPM as much as target RPM in catalyst heating range, it generates torque by throttle opening so that it keeps target RPM.

DTC Description

ECU shows P050A when the RPM is lower or higher than 1,450(target RPM) immediately after cold start.

DTC Detecting Condition





Diagnostic Circuit Diagram





Signal Waveform & Data