2012 Lexus LS 600hLFACTORY OEM SERVICE PROCEDURE

Engine Coolant Temperature Sensor: Removal: Removal

  1. REMOVE V-BANK COVER SUB-ASSEMBLY  . Refer to REMOVAL - Step 8
  2. REMOVE AIR CLEANER INLET COVER SUB-ASSEMBLY  . Refer to REMOVAL - Step 9
  3. REMOVE NO. 1 AIR CLEANER INLET  . Refer to REMOVAL - Step 10
  4. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH  . Refer to REMOVAL - Step 8
  5. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH  . Refer to REMOVAL - Step 9
  6. REMOVE NO. 1 ENGINE UNDER COVER  . Refer to REMOVAL - Step 24
  7. DRAIN ENGINE COOLANT  . Refer to REPLACEMENT - Step 5
  8. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 
    Fig 1: Locating Engine Coolant Temperature Sensor
    GTY130738Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the sensor connector.
    2. Remove the sensor.
    3. Remove the gasket from the sensor.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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