Toyota 4Runner: System Description
SYSTEM DESCRIPTION
1. ILLUMINATION CONTROL SYSTEM (Illuminated Entry System)
(a) The illuminated entry system has the following control functions:
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Control |
Outline |
Lighting |
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Actuation Area-linked*1 |
When a registered key enters any actuation area around the doors, the lights that operate turn on. |
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Door Lock/Unlock-linked |
When any door is unlocked, the lights that operate turn on. |
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When all doors are closed, the lights that operate turn off. |
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Door Open/Close-linked |
When any door is opened, the lights that operate turn on. |
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When all doors are closed, the lights that operate turn off. |
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Back Door Open/Close-linked |
When back door is opened, the lights that operate turn on. |
Spot light assembly |
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When back doors are closed, the lights that operate turn off. |
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Engine Switch-linked*1 Ignition Switch-linked*2 |
When the ignition switch is turned from ACC or ON to off, the lights that operate turn on. |
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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 |
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- *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
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System Diagram
SYSTEM DIAGRAM
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Other materials about Toyota 4Runner:
Relay(for Window Defogger)
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. REMOVE DEFOGGER RELAY (DEF)
(a) Remove the defogger relay from the engine room relay block.
Text in Illustration
*1
Defogger relay
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On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET
(a) This method uses a manifold gauge set to locate problem areas. Read the manifold
gauge pressure when these conditions are established.
Test conditions:
Te ...
0.0065