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Home › Kia › 2012 › Optima Hybrid › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (1 Of 2) - HEV › DTC P0077: Intake Valve Control Solenoid Circuit-High_Bank 1 › Inspection Repair › Component Inspection

Component Inspection

  1. Ignition "OFF".
  2. Disconnect oil control valve connector.
  3. Measure resistance between power terminal and control terminal of the solenoid connector(Component side).
    TERMINAL RESISTANCE SPECIFICATION

    Temp.(°C) Temp.(°F) Resistance(Ω)
    0 32 6.2 ~ 7.4
    10 50 6.5 ~ 7.7
    20 68 6.9 ~ 7.9
    30 86 7.1 ~ 8.3
    40 104 7.4 ~ 8.6
    50 122 7.7 ~ 8.9
    60 140 8.0 ~ 9.2
    70 158 8.3 ~ 9.5
    80 176 8.6 ~ 9.8
    90 194 8.9 ~ 10.1
    100 212 9.2 ~ 10.4
    Fig 1: Measuring Resistance Between Solenoid Connector Power And Control Terminal
    G08305751Courtesy of KIA MOTORS AMERICA, INC.
  4. Is resistance within specification?

    YES 

    • Go to next step as below.

    NO 

    • Check oil control valve for contamination, deterioration, or damage. Substitute with a known-good solenoid and check for proper operation. If the problem is corrected, replace solenoid and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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