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Home >> Toyota >> 2009 >> Matrix Base, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting System (Interior) >> Lighting System >> Problem Symptoms Table

Problem Symptoms Table

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Illuminated Entry System 

PROBLEM SYMPTOMS

Symptom Suspected Area See page
Only personal light*1 does not illuminate. Bulb -
Map light assembly INSPECTION 
Harness or connector -
Only center room light does not illuminate. Bulb -
No. 1 room light assembly INSPECTION 
Harness or connector -
Only rear room light does not illuminate. Bulb -
No. 2 room light assembly INSPECTION 
Harness or connector -
All of lights (personal light*1, center room light and rear room light) controlled by illuminated entry system do not operate normally. Door courtesy switch circuit DOOR COURTESY SWITCH CIRCUIT 
Door lock position switch circuit DOOR LOCK POSITION CIRCUIT 
IG signal circuit IG SIGNAL CIRCUIT 
ACC signal circuit ACC SIGNAL CIRCUIT 
Interior light circuit INTERIOR LIGHT CIRCUIT 
Main body ECU (Instrument panel junction block) -
Battery saving function does not operate. Door courtesy switch circuit DOOR COURTESY SWITCH CIRCUIT 
IG signal circuit IG SIGNAL CIRCUIT 
Key unlock warning switch circuit KEY REMINDER BUZZER DOES NOT SOUND
Main body ECU (Instrument panel junction block) -
PROBLEM SYMPTOMS

Symptom Suspected Area See page
Personal light does not illuminate. Bulb -
Map light assembly INSPECTION 
Harness or connector -
HINT:
*1:w/Sliding Roof