Hyundai Sonata: Repair procedures - Evaporative Emission Control System - Emission Control System - Hyundai Sonata YF 2011-2019 Service ManualHyundai Sonata: 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 applied vacuum using a vacuum pump.
· At Cold Engine [Engine Coolant Temperature < 60°C(140°F)]
Engine
Operating
Condition
Applied
Vacuum
Result
Idle
14.5 inHg
(0.5 kgf/cm², 49.0kPa)
Vacuum is held
3,000rpm

· At Warmed Engine [Engine Coolant Temperature. 80°C(176°F)]
Engine
Operating
Condition
Applied
Vacuum
Result
Idle
14.5 inHg
(0.5 kgf/cm², 49.0kPa)
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
14.5 inHg
(0.5 kgf/cm², 49.0kPa)
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 to 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 the valve operation with battery voltage applied to the PCSV(Open) and removed(Closed).
Battery Voltage
Valve
Vacuum
Connected
Open
Released
Disconnected
Close
Maintained

6.
Measure the coil resistance of the PCSV.

Specifications: 19.0 ~ 22.0Ω [20°C(68°F)]

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

2.
Proceed with the test according to the screen introductions.


    Schematic Diagrams
    Schematic Diagram Canister The Canister is filled with charcoal and absorbs evaporated fuel vapor from the fuel tank. The gathered fuel vapor in canister is drawn into the intake man ...

    Canister. Repair procedures
    Removal 1. Disconnect the canister close valve connector (A). 2. Disconnect the ventilation tube quick-connector (B) and the vapor tube qu ...

    See also:

    Clothes hanger
    To use the hanger, pull down the upper portion of hanger. CAUTION Do not hang heavy clothes, because it may damage the hook. ...

    Power Window Relay. Repair procedures
    Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the junction box. 3. Check for continuit ...

    Air bag warning light
    The purpose of air bag warning light in your instrument panel is to alert you of a potential problem with your air bag - Supplemental Restraint System (SRS). When the ignition switch is turned ON ...