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Home >> Toyota >> 2021 >> Sequoia TRD Pro >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting System (Interior) - Diagnostics & Circuit Tests >> Lighting System >> System Description [08/2017 - 08/2019] >> System Description [08/2017 - 08/2019]
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System Description [08/2017 - 08/2019]

  1. ILLUMINATION CONTROL SYSTEM (Illuminated Entry System) 

    HINT: 

    When inspecting the following functions, make sure that the interior dome light switch assembly, roof console box assembly, No. 1 room light assembly (for Center) and No. 1 room light assembly (for Rear) are DOOR position.

    1. The illuminated entry system has the following control functions:
      Control Outline Lighting
      Door Lock/Unlock-linked When any door is unlocked, the items listed to the right turn on.
      • Roof console box assembly
      • No. 1 room light assembly (for Center)
      • No. 1 room light assembly (for Rear)
      • Foot light bulb
      • Transponder key coil
      When all doors are locked, the items listed to the right turn off.
      • Roof console box assembly
      • No. 1 room light assembly (for Center)
      • No. 1 room light assembly (for Rear)
      • Foot light bulb
      • Transponder key coil
      Door Open/Close-linked When any door is opened, the items listed to the right turn on.
      • Roof console box assembly
      • No. 1 room light assembly (for Center)
      • No. 1 room light assembly (for Rear)
      • Foot light bulb
      • Transponder key coil
      When all doors are closed, the items listed to the right turn off.
      • Roof console box assembly
      • No. 1 room light assembly (for Center)
      • No. 1 room light assembly (for Rear)
      • Foot light bulb
      • Transponder key coil
      Ignition Switch-linked When the ignition switch is turned from ACC or ON to off, the items listed to the right turn on.
      • Roof console box assembly
      • No. 1 room light assembly (for Center)
      • No. 1 room light assembly (for Rear)
      • Foot light bulb
      • Transponder key coil
  2. BATTERY SAVING CONTROL SYSTEM 
    1. The battery saving control system has the following control functions:
      Control Outline Lighting
      Basic function 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 to ACC or ON.
      • Any door is opened and closed.
      • The back door is opened and closed.
      • Any door is unlocked.
      • Roof console box assembly
      • No. 1 room light assembly (for Center)
      • No. 1 room light assembly (for Rear)
      • Foot light bulb
      • Transponder key coil
      Interior light auto cut function 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 to ACC or ON.
      • Roof console box assembly
      • No. 1 room light assembly (for Center)
      • No. 1 room light assembly (for Rear)
      • No. 2 room light assembly
      • Vanity light assembly (w/ Vanity Light)
      • Foot light bulb
      • Transponder key coil
      • Front door courtesy light LH
      • Front door courtesy light RH
      • Rear door courtesy light LH
      • Rear door courtesy light RH
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