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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 108 (Engine Control System Diagnosis - 1.6L (2 Of 3) - Optima (Except HEV)) >> DTC P0234: Turbocharger/Supercharger Overboost Condition >> Component Inspection

Component Inspection

WARNING: This page is about a different variant/trim than selected.

■ Perform RCVS Actuation Test 

  1. Connect KDS/GDS to Data Link Connector (DLC).
  2. Ignition "ON" & ENG "OFF"
  3. Perform "Actuation Test"  for RCVS.
    Fig 1: Display - RCVS Actuation Test Screen
    G11833501Courtesy of KIA MOTORS AMERICA, INC.

■ RCVS Resistance Check 

  1. Ignition "OFF"
  2. Disconnect RCVS connector.
  3. Measure resistance between Pin No. 1 (Power) terminal and Pin No. 2 (Control) terminal of the RCVS. (Component Side)

    Specification:  Approx. 28.3 ~ 31.1 Ω (20°C (68°F)

  4. Is the measured value within specification?

    YES 

    • Go to next procedure.

    NO 

■ Turbo Charger Boost Sensor (PUT) Inspection 

  1. Ignition "OFF"
  2. Connect KDS/GDS to Data Link Connector (DLC).
  3. Ignition "ON" & Engine "ON"
  4. Monitor following parameters in "Current Data"  with KDS/GDS.

    Specification:  Refer to below

    Fig 2: Display - EWGA Actuation Current Data Screen (Acceleration)
    G11833502Courtesy of KIA MOTORS AMERICA, INC.
  5. Is the measured value within specification?

    YES 

    • Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
    • Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO