Toyota 4Runner: System Description

Toyota 4Runner Service Manual / Vehicle Interior / Lighting (int) / Lighting System / System Description

SYSTEM DESCRIPTION

1. ILLUMINATION CONTROL SYSTEM (Illuminated Entry System)

(a) The illuminated entry system has the following control functions:

Control	Outline	Lighting
Actuation Area-linked*1	When a registered key enters any actuation area around the doors, the lights that operate turn on.	Engine switch illumination Map light assembly No. 1 room light assembly Door mirror foot light
Door Lock/Unlock-linked	When any door is unlocked, the lights that operate turn on.	Engine switch illumination1 Ignition key cylinder light2 Map light assembly No. 1 room light assembly Door mirror foot light Interior foot light Inside handle illumination
Door Lock/Unlock-linked	When all doors are closed, the lights that operate turn off.
Door Open/Close-linked	When any door is opened, the lights that operate turn on.	Engine switch illumination1 Ignition key cylinder light2 Map light assembly No. 1 room light assembly Door mirror foot light Interior foot light Inside handle illumination Courtesy light
Door Open/Close-linked	When all doors are closed, the lights that operate turn off.
Back Door Open/Close-linked	When back door is opened, the lights that operate turn on.	Spot light assembly
Back Door Open/Close-linked	When back doors are closed, the lights that operate turn off.	Spot light assembly
Engine Switch-linked1 Ignition Switch-linked2	When the ignition switch is turned from ACC or ON to off, the lights that operate turn on.	Engine switch illumination1 Ignition key cylinder light2 Map light assembly No. 1 room light assembly Interior foot light Inside handle illumination
Battery Saving	When the doors remain in the same condition for 20 minutes and the key is outside the vehicle exterior detection area, the illumination of the items listed to the right turns off.1 When the doors remain in the same condition for 20 minutes and the key is not in the ignition key cylinder, the illumination of the items listed to the right turns off.2	Engine switch illumination1 Ignition key cylinder light2 Map light assembly No. 1 room light assembly Interior foot light Inside handle illumination Spot light assembly

*1: w/ Smart Key System
*2: w/o Smart Key System

2. BATTERY SAVING CONTROL SYSTEM

(a) When the interior lights have been illuminated for approximately 20 minutes with the engine switch off, this function turns off all of the interior lights in order to prevent the battery from being depleted.

HINT:

When the light control operation conditions are met, battery saving control is canceled.

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the lighting system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP ...

System Diagram

SYSTEM DIAGRAM ...

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