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Home >> Lexus >> 2017 >> LS 460 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge / Display - Diagnostic Codes & Symptom Tests >> Symptom Tests >> Entire Combination Meter does not Operate [09/2015 - ] >> Procedure

Entire Combination Meter does not Operate [09/2015 - ]: Procedure

  1. INSPECT FUSE (D MPX-B 2, P-J/B) 
    1. Remove the D MPX-B 2 fuse from the main body ECU.
    2. Remove the P-J/B fuse from the engine room No. 2 relay block.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      D MPX-B 2 fuse Always Below 1 Ω
      P-J/B fuse

    Result:  NG

    NG 

    REPLACE FUSE 

    Result:  OK

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (NO. 1 METER ECU - BATTERY AND BODY GROUND) 
    1. Disconnect the L10 ECU connector.
      GTY613919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance and voltage according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      L10-17 (E2) - Body ground Always Below 1 Ω
      L10-18 (ES) - Body ground

      Standard voltage 

      Tester Connection Condition Specified Condition
      L10-14 (IG2) - Body ground Engine switch on (IG) 11 to 14 V
      L10-13 (B) - Body ground Always

    Result:  OK

    OK 

    REPLACE NO. 1 METER ECU 

    (Refer to DISASSEMBLY [09/2015 - ] )

    Result:  NG

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR