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On-Vehicle Inspection

  1. CHECK OIL QUALITY 
    1. Check the oil for deterioration, water contamination, discoloring or thinning

      If the quality is visibly poor, replace the oil and filter (see REPLACEMENT  )

  2. CHECK ENGINE OIL LEVEL 
    1. Warm up the engine, stop the engine and wait 5 minutes. The oil level should be between the dipstick's low level mark and full level mark If low, check for leakage and add oil up to the full level mark
      NOTE: Do not fill engine oil above the full level mark.
  3. CHECK ENGINE OIL PRESSURE 
    1. Put the engine in inspection mode (see INSPECTION MODE PROCEDURE )
    2. Remove the No. 1 engine under cover (See REMOVAL ).
    3. Remove the engine oil pressure switch (see REMOVAL  )
    4. Install an oil pressure gauge with an adapter
    5. Warm up the engine.
    6. Measure the engine oil pressure

      Standard oil pressure 

      STANDARD OIL PRESSURE SPECIFICATION

      Condition Specified Condition
      Idle 70 kPa (0.7 kgf/cm2 , 10.1 psi) or higher
      2500 rpm 220 kPa (2.2 kgf/cm2 , 32 psi) or higher
      Fig 1: Measuring Engine Oil Pressure
      G05773409Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the pressure is not as specified, check the oil pump

    7. Remove the oil pressure gauge and adapter
    8. Install the engine oil pressure switch (see INSTALLATION  )
    9. Install the No 1 engine under cover (see INSTALLATION )
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