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Inspection [10/2015 - ]: Procedure

  1. INSPECT ENGINE OIL PRESSURE SWITCH ASSEMBLY 
    WARNING:
    • When working near the engine room while the engine has started or the power source mode is engine switch on (IG), do not touch the fan and generator V belt or rotating components such as the fan, etc.
      GTY600652Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    • Touching the fan and generator V belt or rotating components such as the fan, etc. could result in your hand or clothing getting caught and pulled in.
    • Do not touch the engine or exhaust manifold sub-assembly when they are hot.
      GTY672548Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a High temperature areas
    • Touching the engine or exhaust manifold sub-assembly when they are hot could result in burns.
    1. Disconnect the engine oil pressure switch assembly connector.
    2. Start the engine.
    3. Measure the resistance according to the value(s) in the table below.
      GTY147711Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

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

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

    4. Connect the engine oil pressure switch assembly connector.
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