P1516 Acura Idle Air Control Solenoid Signal 4 Circuit Low Input
Possible causes
– Idle Air Control Solenoid valve harness is open or shorted
– Idle Air Control Solenoid valve circuit poor electrical connection
– faulty Idle Air Control Solenoid valve
– Idle Air Control Solenoid valve circuit poor electrical connection
– faulty Idle Air Control Solenoid valve
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1516 Acura Description
The Idle Air Control Solenoid valve is incorporated in the throttle body and regulates the amount of intake air which bypasses the throttle valve built into the throttle body. It is activated by a signal sent from the Engine Control Module (ECM) to maintain engine idle speed to the target engine speed.
Acura Vehicle:
Acura ILX, Acura MDX, Acura RDX, Acura RLX, Acura TL, Acura TSX, Acura ZDX, Acura CSX, Acura EL, Acura Integra, Acura RSX, Acura Legend, Acura Vigor, Acura CL, Acura SLX, Acura NSX, Acura RL, Acura ZDX