LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2012 >> Matrix Base, Standard Trans >> Repair and Diagnosis (Single Page) >> External Pages >> Different variant/trim >> Section 22 (Engine Control System (2AZ-FE) (Service Information)) >> Engine Coolant Temperature Sensor >> Inspection >> Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Coolant Temperature Sensor: Inspection: Inspection

WARNING: This page is about a different variant/trim than selected.
  1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR 
    Fig 1: Inspecting Engine Coolant Temperature Sensor
    GTY194614Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the resistance.
      1. Using an ohmmeter, measure the resistance between the terminals.

        Standard Resistance

        Tester Connection Condition Specified Condition
        1 - 2 20°C (68°F) 2.32 to 2.59 kΩ
        1 - 2 80°C (176°F) 0.310 to 0.326 kΩ
        NOTE:

        When checking the engine coolant temperature sensor in water, keep the terminals dry. After checking, wipe the sensor dry.

        If the resistance is not as specified, replace the engine coolant temperature sensor.