LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2021 >> LC 500h >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge / Display - Service Information >> HEADUP Display Switch >> Inspection [01/2017 - ] >> Procedure

Inspection [01/2017 - ]: Procedure

  1. INSPECT HEADUP DISPLAY SWITCH (NO. 3 COMBINATION SWITCH ASSEMBLY) 
    1. Remove the headup display switch (No. 3 combination switch assembly).

      Refer to REMOVAL [01/2017 - ]

    2. Check the resistance.
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        5 (ILU) - 15 (CH) HUD switch not pressed 10 kΩ or higher
        5 (ILU) - 15 (CH) HUD switch pressed Below 1 Ω
        GTY818693Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *1 HUD Switch
        *a Component without harness connected
        (Headup Display Switch (No. 3 Combination Switch Assembly))

        If the result is not as specified, replace the headup display switch (No. 3 combination switch assembly).

    3. Check illumination.
      1. Apply auxiliary battery voltage to the headup display switch assembly and check that it illuminates.

        OK

        Measurement Condition Specified Condition
        Auxiliary battery positive (+) → Terminal 7 (ILL+)
        Auxiliary battery negative → Terminal 12 (ILL-)
        Illuminates
        GTY818692Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Component without harness connected
        (Headup Display Switch (No. 3 Combination Switch Assembly))

        If the result is not as specified, replace the headup display switch (No. 3 combination switch assembly).

    4. Install the headup display switch (No. 3 combination switch assembly).

      Refer to INSTALLATION [01/2017 - ]