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Home >> Mitsubishi >> 2010 >> Lancer ES, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 33 (Heating, Air Conditioning And Ventilation -- Lancer Evolution) >> Compressor Assembly And Tension Pulley >> Inspection >> Cooling Temperature Switch

Cooling Temperature Switch

WARNING: This page is about a different variant/trim than selected.
CAUTION: Do not heat more than necessary.
  1. Dip the metal part of the cooling temperature switch into engine oil and increase the oil temperature using a gas burner or similar.
    Fig 1: Checking Refrigerant Temperature Switch
    G05397358Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  2. When the oil temperature reaches the standard value, check that resistance is supplied between the terminals.

    Standard value: 

    ITEM TEMPERATURE CHART

    Item Temperature
    Less than 2 ohms Slightly below 125°C (257°F)
    No continuity 155°C (311°F) or more
    NOTE: When the oil temperature is 155°C (311°F) or more and there is no continuity, the resistance will not be 2Ω or lower until the oil temperature reduces to 125°C (257°F) or less.
    Fig 2: Oil Temperature Graph
    G05397359Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.