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Home >> Kia >> 2016 >> Rio EX, 4D Hatchback >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC U1112: LIN Communication Error >> Component Inspection
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Component Inspection

LIN communication line waveform check 

  1. IG "OFF".
  2. Connect probe to battery sensor to check signal waveform by using oscilloscope function.
  3. IG "ON" and monitor signal waveform.

    Specification:  Signal waveform will be displayed as Signal Waveform & Data

    Fig 1: Connecting Probe To Battery Sensor To Check Signal Waveform
    G11848002Courtesy of KIA MOTORS AMERICA, INC.
  4. Is the measured signal waveform OK?

    YES 

    NO 

    • Substitute with a known - good battery sensor and check for proper operation. If the problem is corrected, replace battery sensor and go to "VERIFICATION OF VEHICLE REPAIR " procedure.