Mazda RX-8 2004 - Intake-Air System 01-13 Intake-Air System

INTAKE-AIR SYSTEM
01–13–1
01–13
01–13 INTAKE-AIR SYSTEM
INTAKE-AIR SYSTEM OUTLINE . . . . . . 01–13–1
Features. . . . . . . . . . . . . . . . . . . . . . . . 01–13–1
INTAKE-AIR SYSTEM STRUCTURAL
VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–13–2
INTAKE-AIR SYSTEM DIAGRAM . . . . . 01–13–3
INTAKE-AIR SYSTEM HOSE ROUTING
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . 01–13–4
FRESH-AIR DUCT FUNCTION. . . . . . . . 01–13–4
FRESH-AIR DUCT CONSTRUCTION. . . 01–13–5
AIR CLEANER FUNCTION . . . . . . . . . . . 01–13–5
AIR CLEANER CONSTRUCTION. . . . . . 01–13–5
RESONANCE CHAMBER
FUNCTION . . . . . . . . . . . . . . . . . . . . . . 01–13–5
Features. . . . . . . . . . . . . . . . . . . . . . . . 01–13–5
THROTTLE BODY FUNCTION . . . . . . . . 01–13–6
THROTTLE BODY
CONSTRUCTION/OPERATION . . . . . . 01–13–6
Construction. . . . . . . . . . . . . . . . . . . . . 01–13–6
Operation . . . . . . . . . . . . . . . . . . . . . . . 01–13–6
INTAKE MANIFOLD FUNCTION . . . . . . 01–13–6
INTAKE MANIFOLD
CONSTRUCTION . . . . . . . . . . . . . . . . . 01–13–7
Construction. . . . . . . . . . . . . . . . . . . . . 01–13–7
SEQUENTIAL DYNAMIC AIR INTAKE
SYSTEM (S-DAIS) OUTLINE . . . . . . . . 01–13–7
SEQUENTIAL DYNAMIC AIR INTAKE
SYSTEM (S-DAIS) STRUCTURE . . . . . 01–13–8
SEQUENTIAL DYNAMIC AIR-INTAKE
SYSTEM (S-DAIS) OPERATION . . . . . 01–13–9
Operation Outline. . . . . . . . . . . . . . . . . 01–13–9
Operation . . . . . . . . . . . . . . . . . . . . . . . 01–13–9
SECONDARY SHUTTER VALVE (SSV)
SOLENOID VALVE FUNCTION . . . . . . 01–13–11
SECONDARY SHUTTER VALVE (SSV)
SOLENOID VALVE CONSTRUCTION/
OPERATION . . . . . . . . . . . . . . . . . . . . . 01–13–11
SECONDARY SHUTTER VALVE (SSV)
ACTUATOR FUNCTION . . . . . . . . . . . . 01–13–12
SECONDARY SHUTTER VALVE (SSV)
ACTUATOR CONSTRUCTION/
OPERATION . . . . . . . . . . . . . . . . . . . . . 01–13–12
VARIABLE FRESH AIR DUCT (VFAD)
SOLENOID VALVE FUNCTION
(13B-MSP (HIGH POWER)) . . . . . . . . . . 01–13–12
VARIABLE FRESH AIR DUCT (VFAD)
SOLENOID VALVE
CONSTRUCTION/OPERATION
(13B-MSP (HIGH POWER)) . . . . . . . . . . 01–13–12
VARIABLE FRESH AIR DUCT (VFAD)
ACTUATOR FUNCTION
(13B-MSP (HIGH POWER)) . . . . . . . . . . 01–13–12
VARIABLE FRESH AIR DUCT (VFAD)
ACTUATOR CONSTRUCTION/OPERATION
(13B-MSP (HIGH POWER)) . . . . . . . . . . 01–13–13
VARIABLE DYNAMIC EFFECT
INTAKE-AIR (VDI) SOLENOID VALVE
FUNCTION . . . . . . . . . . . . . . . . . . . . . . . 01–13–13
VARIABLE DYNAMIC EFFECT
INTAKE-AIR (VDI) SOLENOID VALVE
CONSTRUCTION/OPERATION . . . . . . . 01–13–13
VARIABLE DYNAMIC EFFECT
INTAKE-AIR (VDI) ACTUATOR
FUNCTION . . . . . . . . . . . . . . . . . . . . . . . 01–13–13
VARIABLE DYNAMIC EFFECT
INTAKE-AIR (VDI) ACTUATOR
CONSTRUCTION/OPERATION . . . . . . . 01–13–14
AUXILIARY PORT VALVE (APV) MOTOR
FUNCTION (13B-MSP
(HIGH POWER)) . . . . . . . . . . . . . . . . . . . 01–13–14
AUXILIARY PORT VALVE (APV) MOTOR
CONSTRUCTION/OPERATION
(13B-MSP (HIGH POWER)) . . . . . . . . . . 01–13–14
CHECK VALVE FUNCTION . . . . . . . . . . . 01–13–14
CHECK VALVE
CONSTRUCTION/OPERATION . . . . . . . 01–13–15
JET AIR FUEL MIXING SYSTEM
OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . 01–13–15
JET AIR FUEL MIXING SYSTEM
CONSTRUCTION . . . . . . . . . . . . . . . . . . 01–13–15
JET AIR FUEL MIXING SYSTEM
OPERATION . . . . . . . . . . . . . . . . . . . . . . 01–13–16
End of Toc
INTAKE-AIR SYSTEM OUTLINE
CHU011300113S01
Features
End Of Sie
Improved engine controllability • Drive-by-wire system, which opens and closes throttle valve by throttle actuator,
adopted
Improved engine output • Sequential dynamic air intake system (S-DAIS) adopted
Improved idle fuel economy • Jet air fuel mixing system adopted