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Home >> Kia >> 2008 >> Rio Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 2) >> DTC P0102 Mass Or Volume Air Flow Circuit Low Input >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. Check open in harness.
    1. IG "OFF".
    2. Disconnect MAFS and ECM/PCM connector.
    3. Measure resistance between terminal 3 of MAFS harness connector and terminal 10/C01-1 of ECM/PCM harness connector. [A/T]

      Measure resistance between terminal 3 of MAFS harness connector and terminal 19/C01 of ECM/PCM harness connector. [M/T]

      Specification: Below 1Ω

    4. Is the measured resistance within specification?

      YES 

      • Go to  2 "Check short to ground in harness" as follows.

      NO 

  2. Check short to ground in harness.
    1. IG "OFF".
    2. Disconnect MAFS and ECM/PCM connector.
    3. Measure resistance between terminal 3 and 4 of MAFS harness connector.

      Specification: Infinite

    4. Is the measured resistance within specification?

      YES 

      NO