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Home >> Lexus >> 2012 >> CT 200h Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge / Display (Diagnostic Codes & Symptom Tests) >> Meter / Gauge System >> Symptom Tests >> Entire Combination Meter does not Operate >> Procedure

Entire Combination Meter does not Operate: Procedure

  1. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY CIRCUIT) 
    1. Disconnect the H19 connector.
      Fig 1: Identifying H19 Connector Terminals
      GTY349243Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H19-9 (E2) - Body ground Always Below 1 Ω
      H19-33 (EP) - 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
      H19-21 (IG2) - Body ground Power switch off Below 1 V
      Power switch on (IG) 11 to 14 V
      H19-22 (B) - Body ground Power switch off 11 to 14 V
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Combination Meter Assembly)

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   2 

  2. REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL