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On-Vehicle Inspection

  1. INSPECT INSTRUMENT PANEL JUNCTION BLOCK (C/OPN RELAY) 
    NOTE: The circuit opening relay is built into the instrument panel junction block.
    1. Measure the resistance of the circuit opening relay circuit.
      Fig 1: Identifying Instrument Panel Junction Block
      G05997223Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance 

        TESTER CONNECTION SPECIFIED CONDITION CHART

        Tester Connection Condition Specified Condition
        1B-11 - 1A-8 Battery voltage is not applied to terminals 1E-5 and 1D-1 10 kΩ or higher
        1B-11-1A-8 Battery voltage is applied to terminals 1E-5 and 1D-1 Below 1 Ω

        If the result is not as specified, replace the instrument panel junction block.