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Oil Pressure Switch: Inspection

  1. INSPECT ENGINE OIL PRESSURE SWITCH ASSEMBLY 
    1. Check the resistance.
      1. Disconnect the engine oil pressure switch connector.
      2. Measure the resistance according to the value(s) in the table below.

        Standard resistance 

        RESISTANCE REFERENCE

        Tester Connection Condition Specified Condition
        1 - Switch body Idling 10 Ω or higher
        1 - Switch body Engine stopped Below 3 Ω

        HINT:

        If the value is not as specified, replace the engine oil pressure switch assembly.

        Fig 1: Measuring Resistance With Ohmmeter
        G05399721Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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