LIGHTING SYSTEM PROBLEM SYMPTOMS TABLE

Tip:

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.

Table 1. Illuminated Entry System
Symptom	Suspected Area	Link
Illuminated entry system does not operate	DOME fuse	-
	Overhead console illumination light circuit	Click here
	Door courtesy switch circuit	Click here
	Back door courtesy switch circuit	Click here
	Harness or connector	-
	Main body ECU (Multiplex network body ECU)	-

Table 2. Interior Light System
Symptom	Suspected Area	Link
Map light does not illuminate	Map light bulb	-
	Map light assembly	Click here
	Harness or connector	-
No. 1 room light does not illuminate	No. 1 room light bulb	-
	No. 1 room light assembly	-
	Harness or connector	-
No. 2 room light does not illuminate	No. 2 room light bulb	-
	No. 2 room light assembly	-
	Harness or connector	-
Front interior foot light does not illuminate	Active Test (Step Light Operation)	Click here
	Harness or connector	-
	Main body ECU (Multiplex network body ECU)	-
Rear interior foot light does not illuminate	Active Test (Step Light Operation)	Click here
	No. 1 interior illumination light assembly	Click here
	Harness or connector	-
	Main body ECU (Multiplex network body ECU)	-
Door inside handle illumination light does not illuminate	Active Test (Step Light Operation)	Click here
	Front door inside handle illumination light assembly	Click here
	Rear door inside handle illumination light assembly	Click here
	Harness or connector	-
	Main body ECU (Multiplex network body ECU)	-
Door courtesy light does not illuminate	Door courtesy light bulb	-
	Door courtesy switch circuit	Click here
	Back door courtesy switch circuit	Click here
	Harness or connector	-
	Main body ECU (Multiplex network body ECU)	-
Scuff plate light does not illuminate	Door scuff plate assembly	Click here
	Door courtesy switch circuit	Click here
	Harness or connector	-

Table 3. Side Step Light System
Symptom	Suspected Area	Link
Side step light does not illuminate	Side step light bulb	-
	Harness or connector	-
	Main body ECU (Multiplex network body ECU)	-

Table 4. Vanity Light System
Symptom	Suspected Area	Link
Vanity light does not illuminate	Vanity light bulb	-
	Visor assembly	-
	Harness or connector	-

Table 5. Console Box Illumination Light System (w/ Console Box Illumination Light)
Symptom	Suspected Area	Link
Console box illumination light does not illuminate	Console box illumination light assembly	Click here
Console box illumination light does not illuminate	Harness or connector	-

Table 6. Glove Box Light System
Symptom	Suspected Area	Link
Glove box light does not illuminate	Harness or connector	-

Table 7. No. 1 Interior Illumination Light System
Symptom	Suspected Area	Link
No. 1 interior illumination light does not illuminate	No. 1 interior illumination light assembly	Click here
No. 1 interior illumination light does not illuminate	Harness or connector	-

Table 8. Front Box Light System
Symptom	Suspected Area	Link
Front box light does not illuminate	Shift position indicator	Click here
Front box light does not illuminate	Harness or connector	-

Table 9. Battery Saving Control System
Symptom	Suspected Area	Link
Battery saving function does not operate	Door courtesy switch circuit	Click here
	Back door courtesy switch circuit	Click here
	IG signal circuit	Click here
	Main body ECU (Multiplex network body ECU)	-
Battery saving function (interior light auto cut function) does not operate	DOME relay	-
	Main body ECU (Multiplex network body ECU)	-
	Harness or connector	-

Table 10. Center Console Spot Light System
Symptom	Suspected Area	Link
Center console spot light does not illuminate	Overhead console illumination light circuit	Click here
	IG signal circuit	Click here
	ACC signal circuit	Click here
	Main body ECU (Multiplex network body ECU)	-