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Home >> Subaru >> 2015 >> BRZ Series.Blue, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnostics (1 Of 3) >> DTC P0116 Engine Coolant Temp. Sensor Circuit Range/Performance >> Description of functions >> Inspection steps

Inspection steps

NOTE: Read the freeze frame data using the SSM3. A part of the engine running conditions under which the engine trouble occurred is recorded in the freeze frame data, which is useful for troubleshooting.
  1. Read DTC
    1. Connect the SSM3 to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn on the SSM3.
    4. Follow the SSM3 on-screen instructions to check the DTC. (Refer to CHECKING/CLEARING DTC )

      Result

      Result Go to
      P0116 is output A
      P0116 and other DTCs are output B
      NOTE: If any DTCs other than P0116 are output, troubleshoot them first.

      B: To corresponding DTC chart (refer to DTC TABLE )

      A: Go to next step

  2. Thermostat unit inspection
    1. Perform unit inspection of the thermostat. (temperature at thermostat inlet) (refer to INSPECTION )

      NG: Thermostat replacement (refer to INSPECTION )

      OK: Replacement of the E.F.I. water temperature sensor (Refer to ENGINE COOLANT TEMPERATURE SENSOR (FA20) )

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