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Home >> Kia >> 2017 >> Forte5 SX, Automatic DCT Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L T (3 Of 3) >> DTC U1112: LIN Communication Error >> Component Inspection

Component Inspection

■ Check Battery sensor performance 

  1. IG KEY "OFF".
  2. Connect CH A probe to LIN signal terminal of battery sensor connector.
  3. Warm up the engine to normal operating temperature.

    Specification:  Refer to SIGNAL WAVEFORM & Data 

    Fig 1: Scantool Display - Signal Waveform & Data
    G12151277Courtesy of KIA MOTORS AMERICA, INC.

■ Confirm Part Inspection 

  1. Does the battery sensor operate properly? (Check variation)

    YES 

    NO 

    • Substitute with a known-good battery sensor and check for proper operation. If the problem is corrected, replace battery sensor and then go to "Verification of Vehicle Repair " procedure.