LIGHTING SYSTEM > PROBLEM SYMPTOMS TABLE

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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 (Interior Light Control)
Symptom	Suspected Area	See page
Only front interior light does not illuminate.	Bulb	-
	Map light assembly	Click here
	Harness or connector	-
Only rear interior light does not illuminate.	Bulb	-
	No. 1 room light assembly	Click here
	Harness or connector	-
Only power switch illumination does not illuminate.	CAN communication system	Click here
	Power switch illumination circuit	Click here
	Certification ECU (Smart key ECU assembly)	-
Interior light control does not operate normally.	DOME fuse	-
	Door courtesy switch circuit	Click here
	Door unlock detection switch circuit	Click here
	IG signal circuit	Click here
	ACC signal circuit	Click here
	Interior light circuit	Click here
	Power switch illumination circuit	Click here
	Certification ECU (Smart key ECU assembly)	-
	Main body ECU (Multiplex network body ECU)	Click here

Illuminated Entry System (Footwell Light Control)
Symptom	Suspected Area	See page
Only one footwell light does not illuminate.	Footwell light	Click here
	Harness or connector	-
	Instrument panel junction block assembly	-
Both footwell light LH and RH do not illuminate (interior light control is normal).	Footwell light circuit	Click here
	Main body ECU (Multiplex network body ECU)	Click here

Vanity Light
Symptom	Suspected Area	See page
Vanity light does not illuminate.	Bulb	-
Vanity light does not illuminate.	Harness or connector	-

Glove Box Light
Symptom	Suspected Area	See page
Glove box light does not illuminate.	Glove box light assembly	Click here
Glove box light does not illuminate.	Harness or connector	-

Battery Saving Control
Symptom	Suspected Area	See page
Battery saving function does not operate.	Door courtesy switch circuit	Click here
	IG signal circuit	Click here
	Main body ECU (Multiplex network body ECU)	Click here

Luggage Compartment Room Light
Symptom	Suspected Area	See page
Luggage compartment room light does not illuminate.	Bulb	-
	Luggage compartment room light (No.2 room light assembly)	Click here
	Door courtesy switch circuit	Click here
	Harness or connector	-
	Main body ECU (Multiplex network body ECU)	Click here

Front Personal Light
Symptom	Suspected Area	See page
Front personal light does not illuminate.	Bulb	-
	Map light assembly	Click here
	Harness or connector	-

Center Console Spot Light
Symptom	Suspected Area	See page
Center console spot light does not illuminate.	Map light assembly (Center console spot light)	Click here
	IG signal circuit	Click here
	ACC signal circuit	Click here
	Overhead console illumination light circuit	Click here
	Main body ECU (Multiplex network body ECU)	Click here

Instrument Panel Illumination
Symptom	Suspected Area	See page
All of instrument panel illumination lights do not come on. (Taillights operate normally.)	PANEL fuse	-
	Harness or connector	-

Interior Light Control (when operating DOME ON/OFF switch.
Symptom	Suspected Area	See page
All of lights that controlled by DOME ON/OFF switch do not come on when DOME ON/OFF switch is operated.	Interior light circuit	Click here
	Main body ECU (Multiplex network body ECU)	Click here