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Evaporative Emission Control System - 2.0L - Optima: Diagnosis Kia Optima III рестайлинг

Testing & Diagnostics 10 illustrations ~450 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)) ENGINE OPERATING CONDITION CHART (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)) ENGINE OPERATING CONDITION CHART (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 199

Scheme 199: PCSV Inspection
Scheme 199: 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 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 200

Scheme 200: EVAP Leakage Test
Scheme 200: EVAP Leakage Test

Scheme 201

Scheme 201
Scheme 201
  1. Select "EVAP Leakage Test".
  2. Proceed with the test according to the screen introductions.

Scheme 202

Scheme 202: Type 1 for TF
Scheme 202: Type 1 for TF

Scheme 203

Scheme 203
Scheme 203

Scheme 204

Scheme 204
Scheme 204
  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Disconnect the ventilation hose (A) from the fuel tank air filter.
  3. Disconnect the vapor tube quick-connector (B) and the quick-connector (C).
  4. Remove the rear muffler assembly. Refer to MUFFLER .
  5. Remove the protector cover (A) in the direction of arrow.
  6. Remove installation bolts and then remove the canister assembly (B).
  7. Remove the bracket (A) from the canister after removing a bolts (B).

Scheme 205

Scheme 205: Type 2 for QF
Scheme 205: Type 2 for QF

Scheme 206

Scheme 206
Scheme 206
  1. Disconnect the canister close valve connector (A).
  2. Disconnect the ventilation tube quick-connector (B) and the vapor tube quick-connectors (C, D).
  3. Remove the installation bolts (E), and then remove the canister.

Scheme 207

Scheme 207: Type 1 for TF
Scheme 207: Type 1 for TF
  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

Scheme 208

Scheme 208: Type 2 for QF
Scheme 208: Type 2 for QF
  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

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