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Home >> Kia >> 2016 >> Optima SX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.0L (2 Of 3) - Optima (Except HEV) >> DTC P0605-00: Internal Control Module Read Only Memory (ROM) Error >> Wiring Inspection >> Terminal and Connector Inspection
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Terminal and Connector Inspection

  1. Many malfunctions in the electrical system are caused by poor harness and terminals.

    Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.

  2. Thoroughly check connectors for backed out terminal, improper mating, broken locks, looseness, poor connection, bending, corrosion, contamination, deterioration, damage or poor terminal to wire connection.
  3. Has a problem been found?
    Fig 1: PCM Circuit Diagram
    G11840126Courtesy of KIA MOTORS AMERICA, INC.

    YES 

    NO