Mazda RX-8 2004 Service Highlights page 94

01-16 EMISSION SYSTEM
EMISSION SYSTEM OUTLINE . . . . . . . . 01-16-1
Features. . . . . . . . . . . . . . . . . . . . . . . . 01-16-1
Specification. . . . . . . . . . . . . . . . . . . . . 01-16-1
EMISSION SYSTEM STRUCTURAL
VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-16-2
CATALYTIC CONVERTER SYSTEM
OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . 01-16-2
Features. . . . . . . . . . . . . . . . . . . . . . . . 01-16-2
CATALYTIC CONVERTER SYSTEM
STRUCTURE . . . . . . . . . . . . . . . . . . . . . 01-16-3
CATALYTIC CONVERTER SYSTEM
OPERATION . . . . . . . . . . . . . . . . . . . . . 01-16-3
SECONDARY AIR INJECTION (AIR)
SYSTEM OUTLINE . . . . . . . . . . . . . . . . 01-16-3
Features. . . . . . . . . . . . . . . . . . . . . . . . 01-16-3
SECONDARY AIR INJECTION (AIR)
SYSTEM CONSTRUCTION/
OPERATION . . . . . . . . . . . . . . . . . . . . . 01-16-3
SECONDARY AIR INJECTION (AIR)
CONTROL VALVE FUNCTION. . . . . . . 01-16-4
SECONDARY AIR INJECTION (AIR)
CONTROL VALVE CONSTRUCTION/
OPERATION . . . . . . . . . . . . . . . . . . . . . 01-16-4
SECONDARY AIR INJECTION (AIR)
SOLENOID VALVE FUNCTION . . . . . . 01-16-5
SECONDARY AIR INJECTION (AIR)
SOLENOID VALVE CONSTRUCTION/
OPERATION . . . . . . . . . . . . . . . . . . . . . 01-16-5
SECONDARY AIR INJECTION (AIR) PUMP
FUNCTION . . . . . . . . . . . . . . . . . . . . . . 01-16-5
SECONDARY AIR INJECTION (AIR) PUMP
CONSTRUCTION/OPERATION . . . . . . 01-16-6
POSITIVE CRANKCASE VENTILATION
(PCV) SYSTEM OUTLINE. . . . . . . . . . . 01-16-6
Features. . . . . . . . . . . . . . . . . . . . . . . . 01-16-6
POSITIVE CRANKCASE VENTILATION
(PCV) SYSTEM STRUCTURE . . . . . . . 01-16-7
POSITIVE CRANKCASE VENTILATION
(PCV) VALVE OPERATION . . . . . . . . . 01-16-7
End of Toc
EMISSION SYSTEM OUTLINE
Features
Improved exhaust purification
Specification
Secondary air injection (AIR) system
Catalyst type
Evaporative emission (EVAP) control system
Positive crankcase ventilation (PCV) system
End Of Sie
EMISSION SYSTEM
• Secondary air injection (AIR) system with electric Secondary air injection (AIR)
pump adopted
• Catalytic converter system adopted
Item
EVAPORATIVE EMISSIONS (EVAP)
CONTROL SYSTEM OUTLINE . . . . . . . 01-16-7
Features . . . . . . . . . . . . . . . . . . . . . . . . 01-16-7
EVAPORATIVE EMISSIONS (EVAP)
CONTROL SYSTEM STRUCTURE . . . . 01-16-8
EVAPORATIVE EMISSIONS (EVAP)
CONTROL SYSTEM OPERATION . . . . 01-16-8
PURGE SOLENOID VALVE
FUNCTION . . . . . . . . . . . . . . . . . . . . . . . 01-16-8
PURGE SOLENOID VALVE
CONSTRUCTION/OPERATION . . . . . . . 01-16-9
CATCH TANK FUNCTION . . . . . . . . . . . . 01-16-9
CATCH TANK CONSTRUCTION/
OPERATION . . . . . . . . . . . . . . . . . . . . . . 01-16-10
CHARCOAL CANISTER FUNCTION. . . . 01-16-10
CHARCOAL CANISTER
CONSTRUCTION/OPERATION . . . . . . . 01-16-10
EVAPORATIVE CHAMBER
FUNCTION . . . . . . . . . . . . . . . . . . . . . . . 01-16-10
EVAPORATIVE CHAMBER
CONSTRUCTION/OPERATION . . . . . . . 01-16-10
FUEL SHUT-OFF VALVE FUNCTION . . . 01-16-10
FUEL SHUT-OFF VALVE
CONSTRUCTION/OPERATION . . . . . . . 01-16-11
Construction . . . . . . . . . . . . . . . . . . . . . 01-16-11
Operation . . . . . . . . . . . . . . . . . . . . . . . 01-16-11
ROLLOVER VALVE FUNCTION . . . . . . . 01-16-11
Function . . . . . . . . . . . . . . . . . . . . . . . . 01-16-11
ROLLOVER VALVE CONSTRUCTION/
OPERATION . . . . . . . . . . . . . . . . . . . . . . 01-16-12
EVAP SYSTEM LEAK DETECTION PUMP
DESCRIPTION . . . . . . . . . . . . . . . . . . . . 01-16-13
Function . . . . . . . . . . . . . . . . . . . . . . . . 01-16-13
Structure . . . . . . . . . . . . . . . . . . . . . . . . 01-16-13
Operation . . . . . . . . . . . . . . . . . . . . . . . 01-16-13
AIR FILTER DESCRIPTION . . . . . . . . . . . 01-16-14
Function . . . . . . . . . . . . . . . . . . . . . . . . 01-16-14
Structure . . . . . . . . . . . . . . . . . . . . . . . . 01-16-14
Specification
Air pump, air control valve
Three-way catalyst (monolithic)
Canister design
Closed design
01-16
CHU011601007S01
01-16-1