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On-Vehicle Inspection [11/2016 - ]: Procedure

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  1. CHECK ENGINE OIL LEVEL 
    1. Put the engine in inspection mode (maintenance mode).

      Refer to INSPECTION MODE PROCEDURE [11/2016 - ]

    2. Warm up and stop the engine, then wait for 5 minutes.
    3. Check that the engine oil level is between the low level and full level marks on the engine oil level dipstick.

      If the level is low, check for engine oil leaks and add engine oil to the full level mark.

      NOTE:

      Do not fill to above the full level mark.

      HINT: 

      A certain amount of engine oil will be consumed while driving. In the following situations, engine oil consumption may increase, and engine oil may need to be refilled in between oil maintenance intervals.

      • When the engine is new, for example directly after purchasing the vehicle or after replacing the engine.
      • If low quality engine oil or oil of an inappropriate viscosity is used.
      • When driving at high engine speeds or with a heavy load (when towing, etc.), or when accelerating or decelerating frequently while driving.
      • When idling for a long time, or when driving frequently through heavy traffic.

      When judging the amount of oil consumption, keep in mind that the oil may have become diluted, making it difficult to judge the true level accurately.

  2. CHECK ENGINE OIL QUALITY 
    1. Check the engine oil for deterioration, water intrusion, discoloration or thinning.

      If the quality is visibly poor, replace the engine oil and oil filter element.

  3. INSPECT OIL PRESSURE 
    1. Remove the engine oil pressure switch assembly.

      Refer to REMOVAL [11/2016 - ]

    2. Install an oil pressure gauge with the adapter.
      GTY666501Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Put the engine in inspection mode (maintenance mode).

      Refer to INSPECTION MODE PROCEDURE [11/2016 - ]

    4. Warm up the engine.

      HINT: 

      After warming up the engine, the engine coolant temperature is 75 to 100°C (167 to 212°F).

    5. Check the oil pressure.

      Standard Oil Pressure

      Condition Specified Condition
      Idling 40 kPa (0.4 kgf/cm2 , 6 psi) or higher
      2500 rpm 200 kPa (2.0 kgf/cm2 , 29 psi) or higher

      If the result is not as specified, check the quality of the engine oil and check the oil paths for clogging. Repair or replace if necessary. If the engine oil pressure is still not as specified, check the timing chain cover sub-assembly.

      Refer to INSPECTION [11/2016 - ]

    6. Remove the oil pressure gauge with the adapter.
    7. Install the engine oil pressure switch assembly.

      Refer to PROCEDURE - Step 1

    8. Inspect for engine oil leaks.

      Refer to PROCEDURE - Step 5