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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) (PHEV) >> DTC P0102-00: Mass Or Volume Air Flow Circuit Low Input >> Component Inspection
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Component Inspection

  1. Ignition "OFF"
  2. Connect KDS/GDS to Data Link Connector (DLC).
  3. Ignition "ON" & Engine "ON"
  4. Warm up the engine to normal operating temperature.
  5. Monitor following parameters in "Current Data  " with KDS/GDS.
    G12367197Courtesy of KIA MOTORS AMERICA, INC.
  6. 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 

    • Carefully re-do this troubleshooting guide steps.
    • If no problems were found with the circuits or connectors, replace the MAFS and go to "VERIFICATION OF VEHICLE REPAIR " procedure.