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Home >> Scion >> 2004 >> xA Standard >> Repair and Diagnosis >> Electrical >> Gauges >> Combination Meter - Diagnostics >> Entire Combination Meter Does Not Operate >> Inspection Procedure

Inspection Procedure

  1. CHECK FUSE 
    1. Inspect the ALT fuse and MAIN fuse in the FL block.

      Standard: 

      Below 1 Ω 

    2. Inspect the DOME fuse and AM2 fuse in the engine room R/B.

      Standard: 

      Below 1 Ω 

    3. Inspect the GAUGE fuse and AM1 fuse in the instrument panel junction

      Standard: 

      Below 1 Ω 

    1. NG : INSPECT FOR SHORT CIRCUIT IN HARNESS AND ALL COMPONENTS CONNECTED TO FUSE 
    2. OK : Go to next step. 
  2. INSPECT COMBINATION METER ASSY 
    1. Measure the resistance according to the value (s) in the table below.
      Fig 1: Measuring Resistance & Voltage
      G03367381Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      RESISTANCE SPECIFICATIONS

      Terminal No Condition Specified condition
      C10-3 - Body ground Always Below 1 Ω
    2. Measure the voltage according to the value (s) in the table below.

      Standard: 

      VOLTAGE SPECIFICATIONS

      Terminal No Condition Specified condition
      C10-7 - Body ground Always 10 to 14 V
      C10-1 - Body ground Ignition switch ON 10 to 14 V
      C11-13 - Body ground Ignition switch ON 10 to 14 V
    1. NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK : REPLACE COMBINATION METER ASSY (See  OVERHAUL  ) 
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