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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 91 (Engine Control System Diagnosis - 1.6L (3 Of 3) - Optima (Except HEV)) >> DTC U1112: LIN Communication Error >> Component Inspection

Component Inspection

WARNING: This page is about a different variant/trim than selected.

■ Check Battery sensor performance 

  1. Ignition "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 below.

    Fig 1: Screen Display - Signal Waveforms Of Battery Sensor
    G11832737Courtesy of KIA MOTORS AMERICA, INC.

■ Confirm Part Inspection 

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

    YES 

    NO 

    • Carefully re-do this troubleshooting guide steps.
    • If problem still occurs, replace battery sensor and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.