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Home >> Lexus >> 2007 >> 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 
    Fig 1: Identifying C9 Connector Terminals
    G05266007Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the C9 connector.
    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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