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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 P2159: Vehicle Speed Sensor 'B' Range/Performance (Wheel Speed Sensor) >> System Inspection

System Inspection

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

■ Check Wheel Speed Sensor 

  1. Ignition "OFF"
  2. Disconnect Front Wheel Speed Sensor connector.
  3. Measure resistance between Pin No. 1 (Power) terminal and Pin No. 2 (Signal) terminal of the Front Wheel Speed Sensor. (Component Side)

    Specification: 

    Front Wheel Speed Sensor Temperature Resistance (kΩ)
    20 466 kΩ
    Fig 1: Screen Display - Resistance Of Front Wheel Speed Sensor
    G11832551Courtesy of KIA MOTORS AMERICA, INC.
  4. Ignition "OFF"
  5. Disconnect Rear Wheel Speed Sensor connector.
  6. Measure resistance between Pin No. 1 (Power) terminal and Pin No. 2 (Signal) terminal of the Rear Wheel Speed Sensor. (Component Side)

Specification: 

Rear Wheel Speed Sensor Temperature Resistance (kΩ)
20 3.89MΩ
Fig 2: Screen Display - Resistance Of Rear Wheel Speed Sensor
G11832552Courtesy of KIA MOTORS AMERICA, INC.

■ Confirm Part Inspection 

  1. Does the WSS operate properly and is the measured resistance within specification? (Check variation)

    YES 

    NO