LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2012 >> Prius Plug-in >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Plug-In) (Service Information) >> Engine Coolant Temperature Sensor >> Removal >> Removal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Coolant Temperature Sensor: Removal: Removal

  1. DISCHARGE FUEL SYSTEM PRESSURE 

    Refer to PRECAUTION .

  2. DRAIN COOLANT (for Engine)  . Refer to REPLACEMENT - Step 1
  3. REMOVE FUEL INJECTOR ASSEMBLY 

    Refer to REMOVAL .

  4. SEPARATE INVERTER RESERVE TANK ASSEMBLY  See step  5
  5. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 
    1. Disconnect the engine coolant temperature sensor connector.
    2. Using a union nut wrench 19 mm, remove the engine coolant temperature sensor.
      Fig 1: Identifying Engine Coolant Temperature Sensor & O-Ring
      GTY331129Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Union Nut Wrench
      *b Gasket
    3. Remove the gasket from the engine coolant temperature sensor.