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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) >> Problem Symptoms Table >> Interior Light System:

Interior Light System:

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.
INTERIOR LIGHT SYSTEM

Symptom Suspect Area See Section
All interior light does not light up.
  1. Power source circuit
  2. Illumination light circuit
  3. Passenger side J/B ECU
  1. POWER SOURCE CIRCUIT 
  2. ILLUMINATION (DOOR COURTESY SWITCH SIGNAL) CIRCUIT 
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Buckle illumination light does not light up.
  1. Passenger buckle illumination circuit
  2. Passenger side J/B ECU
  1. PASSENGER BUCKLE ILLUMINATION CIRCUIT 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Outer step light does not light up. (in Outer mirror)
  1. Illumination circuit
  2. Passenger side J/B ECU
  1. ILLUMINATION (DOOR COURTESY SWITCH SIGNAL) CIRCUIT 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
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