Mazda RX-8 2004 - Emission System 01-16 Emission System

EMISSION SYSTEM
01–16–1
01–16
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
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
End of Toc
EMISSION SYSTEM OUTLINE
CHU011601007S01
Features
Specification
End Of Sie
Improved exhaust purification • Secondary air injection (AIR) system with electric Secondary air injection (AIR)
pump adopted
• Catalytic converter system adopted
Item Specification
Secondary air injection (AIR) system Air pump, air control valve
Catalyst type Three-way catalyst (monolithic)
Evaporative emission (EVAP) control system Canister design
Positive crankcase ventilation (PCV) system Closed design