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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting System (Int) - Diagnostics & Circuit Tests (1 Of 2) >> Lighting System >> Operation Check [11/2023 - ] >> Operation Check [11/2023 - ]

Operation Check [11/2023 - ]

  1. INSPECT ILLUMINATED ENTRY SYSTEM OPERATION 
    NOTE:

    Perform this inspection with the customize settings set to their default setting.

    HINT: 

    Perform this inspection with the door linked switch of the map light assembly on.

    Function Outline Lights that Operate
    Actuation Area-linked In the following situations, the lights listed to the right dimly illuminate when an electrical key transmitter is carried inside any of the vehicle exterior detection areas.
    • IG OFF
    • All doors are closed
    • Map Light Assembly (Map Light LH/RH)
    • Spot Light Assembly LH/RH
    • No. 1 Room Light Assembly
    • Center Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Passenger Side Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Door Ambient Light LH/RH (Front Door Trim Board Sub-assembly LH/RH)*1
    • Rear Door Ambient Light LH/RH (Rear Door Trim Board Sub-assembly LH/RH)*1
    Door Lock/Unlock-linked
    (When entering the vehicle)    		 In the above situation, the lights listed to the right illuminate when any door is unlocked.
    • Map Light Assembly (Map Light LH/RH)
    • Spot Light Assembly LH/RH
    • No. 1 Room Light Assembly
    • Center Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Passenger Side Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Door Ambient Light LH/RH (Front Door Trim Board Sub-assembly LH/RH)*1
    • Rear Door Ambient Light LH/RH (Rear Door Trim Board Sub-assembly LH/RH)*1
    Door Open/Close-linked
    (When entering the vehicle)    		 In the above situation, the lights listed to the right illuminate when any door is opened. Full Illumination 
    • Map Light Assembly (Map Light LH/RH)
    • Spot Light Assembly LH/RH
    • No. 1 Room Light Assembly
    • Center Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Passenger Side Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Door Ambient Light LH/RH (Front Door Trim Board Sub-assembly LH/RH)*1
    • Rear Door Ambient Light LH/RH (Rear Door Trim Board Sub-assembly LH/RH)*1

    Dimmed 

    • Push Start Switch Illumination
    Brake-linked In the above situation, the lights listed to the right illuminate when the brake pedal is depressed.
    • Push Start Switch Illumination
    Push Start Switch-linked In the above situation, the lights listed to the right illuminate when the ignition switch is turned from off to ON. Full Illumination 
    • Center Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Passenger Side Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Door Ambient Light LH/RH (Front Door Trim Board Sub-assembly LH/RH)*1
    • Rear Door Ambient Light LH/RH (Rear Door Trim Board Sub-assembly LH/RH)*1

    Dimmed 

    • Push Start Switch Illumination
    Shift Position-linked In the above situation, the lights listed to the right illuminate when the shift state is changed to other than P. Dimmed 
    • Center Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Passenger Side Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Door Ambient Light LH/RH (Front Door Trim Board Sub-assembly LH/RH)*1
    • Rear Door Ambient Light LH/RH (Rear Door Trim Board Sub-assembly LH/RH)*1
    • Push Start Switch Illumination
    IG ON → OFF
    (When exiting the vehicle)    		 In the above situation, the lights listed to the right illuminate when the ignition switch is turned from ON to off. Full Illumination 
    • Map Light Assembly (Map Light LH/RH)
    • Spot Light Assembly LH/RH
    • No. 1 Room Light Assembly
    • Center Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Passenger Side Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Door Ambient Light LH/RH (Front Door Trim Board Sub-assembly LH/RH)*1
    • Rear Door Ambient Light LH/RH (Rear Door Trim Board Sub-assembly LH/RH)*1

    Dimmed 

    • Push Start Switch Illumination
    Door Lock/Unlock-linked
    (When exiting the vehicle)    		 In the above situation, the lights listed to the right dimly illuminate when any door is locked or until the electrical key transmitter is carried outside of the detection area, and then turn off.
    • Map Light Assembly (Map Light LH/RH)
    • Spot Light Assembly LH/RH
    • No. 1 Room Light Assembly
    • Center Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Passenger Side Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Door Ambient Light LH/RH (Front Door Trim Board Sub-assembly LH/RH)*1
    • Rear Door Ambient Light LH/RH (Rear Door Trim Board Sub-assembly LH/RH)*1
    Delay When approximately 15 seconds elapse after any of the following conditions is met, the lights that operate turn off:
    • An actuation area-linked function is operated.
    • The door unlock-linked function is operated.
    • Any door is opened and then all doors are closed when the ignition switch is off.
    • The ignition switch is turned from ON to off when all the doors are closed.
    • Map Light Assembly (Map Light LH/RH)
    • Spot Light Assembly LH/RH
    • No. 1 Room Light Assembly
    • Center Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Passenger Side Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
    • Front Door Ambient Light LH/RH (Front Door Trim Board Sub-assembly LH/RH)*1
    • Rear Door Ambient Light LH/RH (Rear Door Trim Board Sub-assembly LH/RH)*1
    • Vanity Light Assembly
    • Courtesy Light Assembly
    • No. 1 Power Back Door Control Switch Illumination*2

    *1: w/ Ambient illumination light

    *2: w/ Power back door system

  2. INSPECT BATTERY SAVING CONTROL OPERATION 
    1. The operations and conditions of this control are described below.
      Control Condition Lights that Operate
      Battery Saving When 20 minutes elapse after the ignition switch is turned from ACC or ON to off and the lights that operate remain on, the lights are turned off.
      HINT: 

      Battery saving control is canceled when any of the following operations is performed before the lights are turned off by battery saving control. After the operation is performed, the lights remain on for another 20 minutes and then the lights are turned off.

      • The ignition switch is turned ACC or ON.
      • Any door is opened and closed.
      • Any door is unlocked.
      • The key enters any exterior actuation area.
      • Map Light Assembly (Map Light LH/RH)
      • Spot Light Assembly LH/RH
      • No. 1 Room Light Assembly
      • Center Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
      • Front Passenger Side Tray Illumination Light (No. 1 Instrument Panel Light Sub-assembly)*1
      • Front Door Ambient Light LH/RH (Front Door Trim Board Sub-assembly LH/RH)*1
      • Rear Door Ambient Light LH/RH (Rear Door Trim Board Sub-assembly LH/RH)*1
      • Vanity Light Assembly
      • Courtesy Light Assembly
      • No. 1 Power Back Door Control Switch Illumination*2
      When 20 minutes elapse after the ignition switch is turned from ACC or ON to off and the lights that operate remain on, the lights that operate turn off.
      HINT: 

      Battery saving control is canceled when any of the following operations is performed before the light is turned off by battery saving control. After the operation is performed, the light remains on for another 20 minutes and then the light is turned off.

      • Any front door is opened and closed.
      		 Push Start Switch Illumination

      *1: w/ Ambient illumination light

      *2: w/ Power back door system

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