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Evaporative Emission Control System - 2.4L - Optima: Diagnosis Kia Optima III рестайлинг

Testing & Diagnostics 5 illustrations ~352 words

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)) THROTTLE BODY CHECKING POINTS CHART - AT COLD ENGINE Engine Operating Condition Applied Vacuum Result Idle 14.5 in. Hg (0.5 kgf/cm 2 , 49.0 kPa) Vacuum is held 3, 000 RPM At Warmed Engine (Engine Coolant Temperature > 80°C (176°F)) THROTTLE BODY CHECKING POINTS CHART - AT WARMED ENGINE Engine Operating Condition Applied Vacuum Result Idle 14.5 in. Hg (0.5 kgf/cm 2 , 49.0 kPa) 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 in. Hg (0.5 kgf/cm 2 , 49.0 kPa) Vacuum will be held momentarily, after which, it will be released

Scheme 237

Scheme 237: PCSV Inspection
Scheme 237: 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). PCSV VALVE OPERATION REFERENCE CHART Battery Voltage Valve Vacuum Connected Open Released Disconnected Close Maintained
  6. Measure the coil resistance of the PCSV. Specifications: 19.0 ~ 22.0ohms (20°C (68°F))

Scheme 238

Scheme 238: EVAP Leakage Test
Scheme 238: EVAP Leakage Test

Scheme 239

Scheme 239
Scheme 239
  1. Select "EVAP Leakage Test".
  2. Proceed with the test according to the screen introductions.

Inspection

(Type 1 for TF)

Scheme 240

Scheme 240: Inspection
Scheme 240: Inspection

Scheme 241

Scheme 241
Scheme 241
  1. Check for the following items visually. Cracks or leakage of the canister Loose connection, distortion, or damage of the vapor hose/tube Canister <--> Atmosphere Canister <--> Fuel Tank Canister <--> Intake Manifold (Type 2 for QF) Check for the following items visually. Cracks or leakage of the canister Loose connection, distortion, or damage of the vapor hose/tube Canister <--> Atmosphere Canister <--> Fuel Tank Canister <--> Intake Manifold

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