LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2019 >> Optima S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (5 Of 6) (PHEV) >> DTC P2128-00: Accelerator Position Sensor 2 Signal Circuit-High Input >> Wiring Inspection >> APS 1 Circuit Inspection >> Ground Circuit Inspection
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Ground Circuit Inspection

  1. Ignition "OFF"
  2. Disconnect Battery (-) terminal.
  3. Refer to ACCELERATOR POSITION SENSOR (APS) , ENGINE CONTROL MODULE (ECM) "service information" and disconnect Accel Pedal Position Sensor and PCM connector.
  4. Measure resistance between Pin No. 2 (Ground) terminal of Accel Pedal Position Sensor harness connector and Pin No. 47 (Ground) terminal of ECM/PCM harness connector.

    Specification:  Approx. below 1Ω

  5. Connect PCM connector.
  6. Measure resistance between Pin No. 2 (Ground) terminal of Accel Pedal Position Sensor harness connector and chassis ground.

    Specification:  Approx. below 1Ω

  7. Is measured value within specification?

    YES 

    NO