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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge System (Except 12.3 Inch Display) - Symptom Tests (2 Of 2) & Circuit Tests >> METER / GAUGE SYSTEM (except 12.3 Inch Display) >> Engine Oil Pressure Switch Circuit [12/2019 - 10/2022] >> Procedure

Engine Oil Pressure Switch Circuit [12/2019 - 10/2022]: Procedure

  1. INSPECT ENGINE OIL PRESSURE SWITCH ASSEMBLY 

    Refer to INSPECTION [12/2019 - 10/2022]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE ENGINE OIL PRESSURE SWITCH ASSEMBLY. Refer to  REMOVAL [12/2019 - 10/2022] 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (ENGINE OIL PRESSURE SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY) 
    1. Disconnect the H21 combination meter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C36-1 (S) - H21-9 (S) Always Below 1 Ω
      C36-1 (S) or H21-9 (S) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR