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Home >> Lexus >> 2008 >> GX 470 >> Repair and Diagnosis >> Electrical >> Gauges >> Meter >> Meter/Gauge System >> Entire Combination Meter Does Not Operate >> Inspection Procedure

Inspection Procedure

  1. INSPECT FUSE 
    1. Check the AM2 fuse in the engine room R/B.

      Standard resistance: 

      Below 1 Ω 

    2. Check the GAUGE fuse in the driver side J/B.

      Standard resistance: 

      Below 1 Ω 

    3. Check the DOME fuse in the engine room R/B.

      Standard resistance: 

      Below 1 Ω 

      NG: REPLACE FUSE 

      OK: Go to next step 

  2. INSPECT COMBINATION METER ASSEMBLY 
    1. Disconnect the C9 connector.
      Fig 1: Identifying C9 Connector Terminals
      G05266007Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      TESTER CONNECTION SPECIFIED CONDITION REFERENCE TABLE

      Tester Connection Condition Specified Condition
      C9-20 (+B) - Body ground Always 10 to 14 V
      C9-19 (IGN+) - Body ground Ignition switch ON 10 to 14 V
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION REFERENCE TABLE

      Tester Connection Condition Specified Condition
      C9-9 (E/G GND) - Body ground Always Below 1 Ω

      NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

      OK: REPLACE COMBINATION METER ASSEMBLY 

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