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Home >> Lexus >> 2021 >> LS 500 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes (2 Of 2), Circuit & Symptom Tests >> Meter / Gauge System >> Engine Oil Level Sensor Circuit [12/2017 - 10/2023] >> Procedure

Engine Oil Level Sensor Circuit [12/2017 - 10/2023]: Procedure

  1. INSPECT ENGINE OIL LEVEL SENSOR 
    1. Remove the engine oil level sensor.

      Refer to REMOVAL [12/2017 - ]

    2. Inspect the engine oil level sensor.

      Refer to INSPECTION [12/2017 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE ENGINE OIL LEVEL SENSOR. Refer to  REMOVAL [12/2017 - ] 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (ENGINE OIL LEVEL SENSOR - COMBINATION METER ASSEMBLY) 
    1. Disconnect the G34 combination meter assembly connector.
    2. Disconnect the D24*1 or D25*2 engine oil level sensor connector.
      1. *1: for 2WD
      2. *2: for AWD
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      FOR 2WD:

      Tester Connection Condition Specified Condition
      G34-15 (OILW) - D24-1 Always Below 1 Ω
      G34-15 (OILW) - Other terminals and body ground Always 10 kΩ or higher
      FOR AWD:

      Tester Connection Condition Specified Condition
      G34-15 (OILW) - D25-1 Always Below 1 Ω
      G34-15 (OILW) - Other terminals and body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [12/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - 10/2023] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR