>
Hyundai Equus Manuals

Hyundai Equus: Repair procedures - Evaporative Emission Control System - Emission Control System - Hyundai Equus VI 2009-2024 Service ManualHyundai Equus: Repair procedures

Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Emission Control System / Evaporative Emission Control System / Repair procedures

Inspection
[System Inspection]
1.
Disconnect the vapor hose from the throttle body and connect a vacuum pump to the nipple on the throttle body.
2.
Check the following points with applying vacuum using the vacuum pump.
· At Cold Engine [Engine Coolant Temperature < 60°C(140°F)]
Engine
Operating
Condition
Applied
Vacuum
Result
Idle
0.5kgf/cmx
(50kPa,7.3psi)
Vacuum is held
3,000rpm

· At Warmed Engine [Engine Coolant Temperature > 80°C(176°F)]
Engine
Operating
Condition
Applied
Vacuum
Result
Idle
0.5kgf/cmx
(50kPa,7.3psi)
Vacuum is held
Within 3 minutes after engine start at 3,000 rpm
 Try to apply vacuum
 Vacuum is released
In 3 minutes after engine start at 3,000 rpm
0.5kgf/cmx
(50kPa,7.3psi)
 Vacuum will be held momentarily, after which, it will be released

[PCSV Inspection]
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Disconnect the PCSV connector (A).
3.
Disconnect the vapor hose (B) which is connected with the intake manifold from the PCSV.

4.
After connecting a vacuum pump to the nipple, apply vacuum.
5.
With the PCSV control line grounded, check valve operation when applying battery voltage to the PCSV or not.
Battery Voltage
Valve
Vacuum
Connected
Open
Released
Disconnected
Close
Maintained

6.
Measure the coil resistance of the PCSV.
Specification: 14.0 ~ 18.0x [20°C(68°F)]
    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 ...

    Canister Repair procedures
    Removal 1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the service cover (A). 3. Disconnect the fuel tank pressure sensor connector (A) and the ...

    See also:

    Engine coolant
    The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once a ...

    Canister Close Valve (CCV) Description and Operation
    Description Canister Close Valve (CCV) is normally open and is installed on the canister ventilation line. It seals evaporative emission control system by shutting the canister from the atmosph ...

    Steering gear box, linkage & boots/lower arm ball joint
    With the vehicle stopped and engine off, check for excessive free-play in the steering wheel. Check the linkage for bends or damage. Check the dust boots and ball joints for deterioration, cracks ...

    Categories

    Hyundai Equus Manuals


    © 2011-2024 Copyright www.heqmanual.com