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Home >> Kia >> 2015 >> Forte5 SX, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) - 1.6L >> DTC P0122: Throttle Position Sensor 1 Signal Circuit Low Input >> Wiring Inspection >> Ground Circuit Inspection
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Ground Circuit Inspection

  1. IG "OFF" and disconnect ETC Motor & TPS connector.
  2. IG "ON".
  3. Measure the voltage between signal terminal of TPS harness connector and chassis ground. (A)
  4. Measure the voltage between signal and ground terminal of TPS harness connector and chassis ground. (B)

    Specification:  "A" - "B" = Below 200mV

  5. Is the measured voltage within specification?

    YES 

    NO