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Home >> Lexus >> 2020 >> LS 500 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes (2 Of 2), Circuit & Symptom Tests >> Meter / Gauge System >> Entire Combination Meter does not Operate [12/2017 - 10/2023] >> Procedure

Entire Combination Meter does not Operate [12/2017 - 10/2023]: Procedure

  1. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY CIRCUIT) 
    1. Disconnect the G34 combination meter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G34-31 (ES) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      G34-21 (IG+) - Body ground Engine switch off Below 1 V
      Engine switch on (IG) 11 to 14 V
      G34-22 (B) - Body ground Always 11 to 14 V

      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