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Home >> Lexus >> 2021 >> LC 500h >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes, Symptom & Circuit Tests >> Meter / Gauge System >> Engine Oil Pressure Switch Circuit [01/2017 - ] >> Procedure

Engine Oil Pressure Switch Circuit [01/2017 - ]: Procedure

  1. INSPECT ENGINE OIL PRESSURE SWITCH ASSEMBLY 
    1. Remove the engine oil pressure switch assembly.

      Refer to REMOVAL [01/2017 - ]

    2. Inspect the engine oil pressure switch assembly.

      Refer to INSPECTION [01/2017 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE ENGINE OIL PRESSURE SWITCH ASSEMBLY. Refer to  REMOVAL [01/2017 - ] 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (ENGINE OIL PRESSURE SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY) 
    1. Disconnect the P25 combination meter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      P25-9 (S) - G22-1 Always Below 1 Ω
      P25-9 (S) - Other terminals and body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [01/2017 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR