Emission Control System (W/ Secondary Air Injection System) System Diagram
SECONDARY AIR INJECTION SYSTEM ILLUSTRATION
SECONDARY AIR INJECTION SYSTEM WIRING DIAGRAM
EMISSION CONTROL AND EVAP CONTROL SYSTEM ILLUSTRATION
EMISSION CONTROL AND EVAP CONTROL SYSTEM WIRING DIAGRAM
Emission Control System (W/ Secondary Air Injection System) -- System Diagram |
| SECONDARY AIR INJECTION SYSTEM ILLUSTRATION |
During a cold engine start, this system purifies the catalyst exhaust fumes by applying air pressure to the air hose, exhaust manifold and cylinder head exhaust port.
Text in Illustration*1
| ECM
| *2
| Air Injection Control Driver
|
*3
| Air Pump Assembly
| *4
| Air Switching Valve Assembly
|
*a
| Air
| -
| -
|
| SECONDARY AIR INJECTION SYSTEM WIRING DIAGRAM |
| EMISSION CONTROL AND EVAP CONTROL SYSTEM ILLUSTRATION |
To reduce HC emissions, the following occurs. First, evaporated fuel in the fuel tank is absorbed by the canister's active carbon. Then, when the vehicle is being driven, the fuel in the canister and the air are routed into the intake manifold for combustion.
Text in Illustration*1
| Air Inlet Line
| *2
| Canister
|
*3
| Purge Line
| *4
| Purge VSV
|
*5
| Air Cleaner
| *6
| Vent Line
|
*7
| Fuel Tank Cap
| *8
| Fuel Tank
|
*9
| ECM
| *10
| Air Fuel Ratio Sensor
|
*11
| Heated Oxygen Sensor
| *12
| Front TWC
|
*13
| Rear TWC
| -
| -
|
| EMISSION CONTROL AND EVAP CONTROL SYSTEM WIRING DIAGRAM |
