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Home >> Kia >> 2020 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 6) (PHEV) >> DTC P0102-00: Mass or Volume Air Flow Circuit Low Input >> Wiring Inspection >> Signal Circuit Inspection >> MAFS Signal Circuit Inspection
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MAFS Signal Circuit Inspection

  1. Ignition "OFF"
  2. Refer to "MASS AIR FLOW SENSOR (MAFS) " and disconnect MAFS connector.
  3. Ignition "ON"
  4. Measure the voltage between Pin No. 5 (Signal) terminal of MAFS harness connector and chassis ground.

    Specification:  Approx. 4.8V

  5. Is the measured value within specification?

    YES 

    NO