Hyundai Equus: Description and Operation
Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Emission Control System / Evaporative Emission Control System / Description and Operation
Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Emission Control System / Evaporative Emission Control System / Description and Operation
| Description |
Evaporative Emission Control System prevents fuel vapor
stored in fuel tank from vaporizing into the atmosphere. When the fuel
evaporates in the fuel tank, the vapor passes through vent hoses or
tubes to canister filled with charcoal. The canister temporarily holds
the vapor in the charcoal. If ECM determines to draw the gathered vapor
into the combustion chambers during certain operating conditions, it
will vacuum into intake manifold.
Schematic Diagrams
Schematic Diagram
Canister
Canister is filled with charcoal and absorbs evaporated vapor
in fuel tank. The gathered fuel vapor in canister is drawn into the
intake manifold by the ECM/PCM when ...
See also:
EPB Switch Repair procedures
Removal
1.
Turn ignition switch off and disconnect the battery (-) cable from the battery
2.
Remove the driver side crash pad side cover.
(Refer to Body - "Crash Pad")
3.
Remove the cra ...
ESP OFF Switch Repair procedures
Inspection
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable
2.
Remove the crash pad side cover.
3.
Remove the lower panel.
(Refer to Body - "Crash Pad")
4.
Re ...
Crankshaft Position Sensor (CKPS) Description and Operation
Description
Crankshaft Position Sensor (CKPS) detects the crankshaft
position and is one of the most important sensors of the engine control
system. If there is no CKPS signal input, the engine ...
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