Hyundai Genesis: 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.
Using the vacuum pump, check the following items by applying vacuum.
• At Cold Engine [Engine Coolant Temperature < 60°C(140°F)]
Engine Operating Condition
Applied Vacuum
Result
Idle
0.5 kgf/cm? (50 kPa, 7.3 psi)
Vacuum is held
3,000 rpm

• At Warmed Engine [Engine Coolant Temperature > 80°C(176°F)]
Engine Operating Condition
Applied Vacuum
Result
Idle
0.5 kgf/cm? (50 kPa,7.3 psi)
Vacuum is held
Within 3 m inutes after engine start at 3,000 rpm
Try to applyvacuum
Vacuum is released
In 3 minutes after engine start at 3,000rpm
0.5 kgf/cm? (50 kPa,7.3 psi)
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 vacuum 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: 22.0 ~ 26.0? [20°C(68°F)]

[EVAP. Leakage Test]
1.
Select "Evap. Leakage Test".

2.
Proceed with the test according to the screen introductions.
   
[EVAP. Leakage Test Condition]
-
Ignition key on , Engine at idle
-
No Trouble Code
-
Fuel Level : 15 ~ 85 %
-
Select Lever Position : P or N
-
ECT : Below 105°C (221°F)

Schematic Diagrams
Schematic Diagram • MAFS : Mass Air Flow Sensor • MAPS : Manifold Absolute Pressure Sensor • PCSV : Purge Control Solenoid Valve • FTPS : Fuel Tank Pressure Sensor ...

Canister Repair procedures
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Other information:

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