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Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> On-Board Diagnostic - Pcm (VIN C & VIN D) (2 Of 5) >> DTC P0183-00: Fuel Temperature Sensor Circuit High Input (H3T) >> Inspection/action procedure

Inspection/action procedure

Proceed with the inspection/action in the order from Step 1 below. * After part repair or replacement, perform the repeatability verification procedure and perform a DTC inspection. (See DTC INSPECTION .)

- If the same DTC is displayed again as a result of the DTC inspection, go to the next step.

  1. Inspect the wiring harness (including connector/terminal) between the low fuel pressure sensor/fuel temperature sensor and the PCM.
    Purpose/reason (possiblecause) Malfunction in wiring harness (including connector/terminal) between low fuel pressure sensor/fuel temperature sensor and PCM
    Referred to Service Information(s) item See CIRCUIT INSPECTION ; See CONNECTOR INSPECTION
  2. Inspect the fuel temperature sensor.
    Purpose/reason (possible cause) Fuel temperature sensor malfunction
    Referred to Service Information(s) item See FUEL TEMPERATURE SENSOR INSPECTION (VIN C AND VIN D)
  3. Replace the PCM.
    Purpose/reason (possible cause) PCM malfunction (no other possible malfunction considered)
    Referred to Service Information(s) item See PCM REMOVAL/INSTALLATION (VIN C AND VIN D) .