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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 465 (Passenger Side Junction Block (Body No. 3 ) Control System - Diagnosis) >> Circuit Inspection >> Illumination (Door courtesy switch signal) circuit >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

Receiving the courtesy signal from either of the door ECU, the passenger side J/B ECU makes the front personal light, interior right rear light, center console spot light, foot light, inside handle illumination and ignition key cylinder light come on.

Installation Function List:

CONTROL FUNCTIONS

Control Functions Illuminated entry system Illumination control Fade in/Fade out
Front personal light O X O
Interior light rear light X X O
Center console spot light X X O
Foot light O O O
inside handle illumination O O O
Ignition key cylinder light O X O
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