DTC P1504: Idle Air Control (IAC) Circuit

P1504 - IDLE AIR CONTROL (IAC) CIRCUIT

Description:	This DTC sets when the powertrain control module (PCM) detects an electrical load failure on the IAC output circuit.
Possible Causes:	IAC circuit open VPWR to IAC solenoid open IAC circuit short to voltage IAC circuit short to ground Damaged IAC valve
Diagnostic Aids:
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST KE .