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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.4L (5 Of 6) (Except HEV) >> DTC P2122-00: Accelerator Position Sensor 1 Signal Circuit Low Input >> Wiring Inspection >> APS2 Circuit Inspection >> Signal Circuit Inspection

Signal Circuit Inspection

  1. Ignition "OFF"
  2. Disconnect Battery (-) terminal.
  3. Refer to "ACCELERATOR POSITION SENSOR (APS) and ENGINE CONTROL MODULE (ECM) " and disconnect Accel Pedal Position Sensor and PCM connector.
  4. Measure resistance between Pin No. 6 (Signal) terminal of Accel Pedal Position Sensor harness connector and Pin No. 64 (Signal) terminal of ECM/PCM harness connector.

    Specification:  Approx. below 1 Ω

  5. Is the measured value within specification?

    YES 

    NO 

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