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Home >> Kia >> 2004 >> Rio Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel System & Fault Isolation >> DTC Troubleshooting >> DTC P0118: Engine Coolant Temperature Circuit High Input >> Scantool Diagnostics >> Monitor Scantool Data

Monitor Scantool Data

  1. Ignition "ON" & Engine "OFF"
  2. Disconnect ECTS connector
  3. Connect Scantool and monitor the "ECT SENSOR VOLTAGE" parameter on the Scantool data list.
  4. Jumper the terminals 1 and 3 of the sensor harness connector together.
    1. Specification: Approx. 0V
      Fig 1: Monitoring ECT Sensor Voltage (Ground Circuit Open)
      G07331584
      Fig 2: Monitoring ECT Sensor Voltage (Short To Ground)
      G07331585
  5. Is ECT sensor parameter within the specification?

    YES

    1. Possibility of sensor malfunction. Go to "COMPONENT INSPECTION " procedure.

    NO

    1. Go to next step as below.
  6. Jumper the terminal 1 of the sensor harness connector to chassis ground.
  7. Read the "ECT SENSOR VOLTAGE" parameter on the Scantool.
    1. Specification: Approx. 0V
  8. Is ECT data within the specification?

    YES

    1. Possibility of open in ECTS ground circuit Go to "GROUND CIRCUIT INSPECTION " procedure.

    NO

    1. Possibility of open or short to battery in ECTS signal circuit. Go to "SIGNAL CIRCUIT INSPECTION " procedure.
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