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Home >> Kia >> 2016 >> Optima Hybrid >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) (HEV) >> DTC P050A: Cold Start Idle Air Control System Performance >> Component Inspection >> Throttle Position Sensor Resistance Inspection
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Throttle Position Sensor Resistance Inspection

  1. Ignition "OFF".
  2. Disconnect Battery (-) terminal.
  3. Refer to Intake Manifold and disconnect Throttle Body connector.
  4. Measure resistance between Pin No. 4 (TPS1 Signal) terminal and Pin No. 2 (TPS Supply) terminal of Throttle Body harness connector.
  5. Measure resistance between Pin No. 5 (TPS2 Signal) terminal and Pin No. 2 (TPS Supply) terminal of Throttle Body harness connector.

    Specification: 

    TPS1: 0.875 ~ 1.625 kΩ(68°F/20°C)

    TPS2: 0.875 ~ 1.625 kΩ(68°F/20°C)

  6. Is measured value within specification?

    YES 

    • Go to System Inspection procedure below.

    NO 

    • Carefully re-do this troubleshooting guide steps.
    • If no problems were found with the circuits or connectors, replace Throttle Body and then go to "Verification Of Vehicle Repair " procedure.
    CAUTION:
    • Install the component with the specified torques.
    • Note that internal damage may occur when the component is dropped or mis-treated.
    NOTE: It is necessary to perform the TPS adaptation procedure after the ETC assembly or PCM replacing.
    ■ TPS adaptation procedure
    Ignition "OFF" and then "ON" without cranking. Wait for 10 seconds under enable conditions.
    → Enable conditions: Battery >10V & Intake Air Temp. >5.3°C(41.5°F) & 5.3°C(41.5°F) <Engine Coolant Temp. <99.8°C(211.6°F
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