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Home >> Kia >> 2019 >> Optima S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 289 (Body Control Module Diagnosis (PHEV)) >> DTC B1217-00: Rear Right Sensor Fault >> Wiring Inspection >> LIN Communication Line Inspection

LIN Communication Line Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Ignition "OFF".
  2. Refer to PARKING ASSIST SENSOR "service information" and remove necessary parts to get access to Rear Right Sensor connector.
  3. Ignition "ON".
  4. Back probe and measure signal waveform between Pin No. 5 (LIN) terminal of Rear Right Sensor harness connector and chassis ground.

    Specification:  Refer to Figure below

    G13162450Courtesy of KIA MOTORS AMERICA, INC.
  5. Is the measured value within specification?

    YES 

    NO 

    • If the voltage of measured signal waveform is the battery voltage level (about 12V),
      1. → Check for short to battery in the LIN line.
      2. → Check for open/poor connection in the LIN line.
    • If the voltage of measured signal waveform is the ground voltage level (about 0V),

      → Check for short to ground the LIN line.

    • Repair or replace as necessary, go to "VERIFICATION OF REPAIR " procedure.
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