Intake Air System
System Description
The system supplies air for all engine needs. It consists of the intake air pipe. Air Cleaner (ACL), intake air duct, throttle
body. Idle Air Control (IAC) Valve, fast idle thermo valve, and intake manifold. A resonator in the intake air duct provides
additional silencing as air is drawn into the system.
FAST
IDLE
THERMO
VALVE
ECM
IAC VALVE
TO PGM-FI MAIN
RELAY
THROTTLE
VALVE
INTAKE
AIR DUCT
ACL
THROTTLE
VALVE
DASHPOT
CONTROL
DIAPHRAGM
THROTTLE
VALVE RESONATOR
DASHPOT
CHECK
VALVE
System Description
The system supplies air for all engine needs. It consists of the intake air pipe. Air Cleaner (ACL), intake air duct, throttle
body. Idle Air Control (IAC) Valve, fast idle thermo valve, and intake manifold. A resonator in the intake air duct provides
additional silencing as air is drawn into the system.
FAST
IDLE
THERMO
VALVE
ECM
IAC VALVE
TO PGM-FI MAIN
RELAY
THROTTLE
VALVE
INTAKE
AIR DUCT
ACL
THROTTLE
VALVE
DASHPOT
CONTROL
DIAPHRAGM
THROTTLE
VALVE RESONATOR
DASHPOT
CHECK
VALVE