LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2020 >> RX 450h Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System (Service Information) >> Head-Up Display Switch >> Inspection [10/2015 - ] >> Procedure

Inspection [10/2015 - ]: Procedure

  1. INSPECT HEAD-UP DISPLAY SWITCH ASSEMBLY (INTEGRATION CONTROL AND PANEL ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY654291Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Head-Up Display Switch
      *a Component without harness connected
      (Head-Up Display Switch Assembly (Integration Control and Panel Assembly))

      Standard Resistance

      Tester Connection Condition Specified Condition
      5 (ILU) - 15 (CH) head-up display switch pressed Below 50 Ω
      head-up display switch not pressed 10 kΩ or higher

      If the result is not as specified, replace the integration control and panel assembly.

    2. Illumination Inspection
      GTY654290Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Head-Up Display Switch Assembly (Integration Control and Panel Assembly))
      1. Apply auxiliary battery voltage to the integration control and panel assembly and check that it illuminates.

        OK

        Condition Specified Condition
        Auxiliary battery positive (+) → Terminal 7 (ILL+)
        Auxiliary battery negative (-) → Terminal 12 (ILL-)
        Illuminates

        If the result is not as specified, replace the integration control and panel assembly.