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Home >> Kia >> 2003 >> Optima SE, 2.4 6 >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Diagnosis & Overhaul >> Automatic Transaxle Control System >> Sports Mode Switch Inspection >> A/T Control Component Check >> A/T Control Relay Check
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A/T Control Relay Check

  1. Remove the A/T control relay.
  2. Use jumper wires to connect A/T control relay terminal (2) to the battery (-) terminal and terminal (4) to the battery (+) terminal.
    Fig 1: Testing A/T Control Relay (1 Of 2)
    G00326396Courtesy of KIA MOTORS AMERICA, INC.
  3. Check the continuity between terminal (1) and terminal (3) of the A/T control relay when the jumper wires are connected to and disconnected from the battery.
    Fig 2: Testing A/T Control Relay (2 Of 2)
    G00326397Courtesy of KIA MOTORS AMERICA, INC.
  4. If there is a problem, replace the A/T control relay.
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