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Home >> Lexus >> 2012 >> HS 250h >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Smart Access System (For Start Function) (Diagnostic Codes & Symptom Tests) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (For Start Function) >> On-Vehicle Inspection >> On-Vehicle Inspection
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On-Vehicle Inspection

  1. CHECK POWER SOURCE MODE CHANGE FUNCTION 
    1. Check the function of the power switch.
      1. Check that the power source mode changes in accordance with the conditions of the shift state and brake pedal.
        Brake Pedal Shift State Power Source Mode Pattern
        Depressed P When the power switch is pushed once.
        • off → on (READY)
        Not depressed P Each time the power switch is pushed.
        • off → on (ACC) → on (IG) → off
        Except P Each time the power switch is pushed.
        • on (ACC) → on (IG) → off
        - P When the power switch is pushed in the on (READY) condition.
        • on (READY) → off
        - Except P When the power switch is pushed in the on (READY) condition.
        • on (READY) → off
  2. CHECK INDICATOR CONDITION 
    Fig 1: Identifying Power Switch Indicator Light
    GTY197306Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Check the indicator light on the power switch.
      1. Check that the power switch indicator turns on and changes color according to the table below.
        Power Source Mode/Condition Indicator Light Condition
        Brake Pedal Released Brake Pedal Depressed, Park (P) selected
        off off Turns on (Green)
        on (ACC, IG) Turns on (Amber) Turns on (Green)
        on (READY) off off
        System malfunction Flashes (Amber) for 15 sec. Flashes (Amber) for 15 sec.
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