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. Headlight (for Halogen Headlight)
Symptom	Suspected Area	Link
Left or right low beam headlight does not illuminate	H-LP LH-LO fuse or H-LP RH-LO fuse	-
	Bulb	-
	Harness or connector	-
Both left and right low beam headlights do not illuminate	H-LP-MAIN fuse	-
	Headlight dimmer switch circuit	Click here
	Low beam headlight circuit	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
Left or right high beam headlight does not illuminate (for Hatchback or Wagon)	H-LP LH-HI fuse or H-LP RH-HI fuse	-
	Headlight unit	Click here
	Harness or connector	-
Both left and right high beam headlights do not illuminate (for Hatchback or Wagon)	Headlight dimmer switch circuit	Click here
	Headlight solenoid circuit	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
Left or right high beam headlight does not illuminate (for Sedan)	H-LP LH-HI fuse or H-LP RH-HI fuse	-
	Bulb	-
	Harness or connector	-
Both left and right high beam headlights do not illuminate (for Sedan)	Headlight dimmer switch circuit	Click here
	High beam headlight circuit	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
"High Flash" (passing function) does not operate (high beam headlights are normal)	Headlight dimmer switch circuit	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
Left or right clearance light does not illuminate	Headlight unit (for Hatchback or Wagon)	Click here
	Headlight unit (for Sedan)	Click here
	Harness or connector	-
	Instrument panel junction block assembly (for LHD)	Click here
	Instrument panel junction block assembly (for RHD)	Click here

Table 2. Headlight (for LED Headlight)
Symptom	Suspected Area	Link
Left or right low beam headlight does not illuminate	H-LP LH-LO fuse or H-LP RH-LO fuse	-
	Harness or connector	-
	Headlight unit	Click here
Both left and right low beam headlights do not illuminate	H-LP-MAIN fuse	-
	Headlight dimmer switch circuit	Click here
	Low beam headlight circuit	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
Left or right high beam headlight does not illuminate	H-LP LH-HI fuse or H-LP RH-HI fuse	-
	Headlight unit	Click here
	Harness or connector	-
Both left and right high beam headlights do not illuminate	Headlight dimmer switch circuit	Click here
	Headlight solenoid circuit	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
"High Flash" (passing function) does not operate (high beam headlights are normal)	Headlight dimmer switch circuit	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
Left or right clearance light does not illuminate	Headlight unit	Click here
	Harness or connector	-
	Instrument panel junction block assembly (for LHD)	Click here
	Instrument panel junction block assembly (for RHD)	Click here

Table 3. Taillight
Symptom	Suspected Area	Link
Left or right taillight (rear combination light assembly) does not illuminate (for Hatchback or Wagon)	Rear combination light lens and body	Click here
	Rear combination light socket and wire sub-assembly	Click here
	Harness or connector	-
Left or right taillight (rear combination light assembly) does not illuminate (for Sedan)	Bulb	-
	Tail and stop light socket	Click here
	Harness or connector	-
Left or right taillight (rear light assembly) does not illuminate (for Hatchback or Wagon)	Rear light lens and body	Click here
	Rear light socket and wire	Click here
	Harness or connector	-
Left or right taillight (rear light assembly) does not illuminate (for Sedan)	Bulb	-
	Tail light socket	Click here
	Harness or connector	-
All of the lights (taillights, clearance lights and license plate lights) do not illuminate	Headlight dimmer switch circuit	Click here
	Taillight relay circuit	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here

Table 4. License Plate Light
Symptom	Suspected Area	Link
Both left and right license plate lights do not illuminate	Harness or connector	-
Left or right license plate light does not illuminate	Bulb	-
	License plate light socket plug (for Hatchback)	Click here
	License plate light assembly (for Wagon)	Click here
	License plate light assembly (for Sedan)	Click here
	Harness or connector	-

Table 5. Stop Light
Symptom	Suspected Area	Link
Left or right stop light does not illuminate (for Hatchback or Wagon)	Bulb	-
	Rear combination light socket and wire sub-assembly	Click here
	Harness or connector	-
Left or right stop light does not illuminate (for Sedan)	Bulb	-
	Tail and stop light socket	Click here
	Harness or connector	-
Center stop light does not illuminate	Center stop light assembly	Click here
	Radio setting condenser (for Hatchback)	Click here
	Radio setting condenser (for Wagon)	Click here
	Radio setting condenser (for Sedan)	Click here
	Harness or connector	-
All of the stop lights do not illuminate	STOP fuse	-
	STOP LP relay (for CVT)	Click here
	Stop light switch assembly	Click here
	Harness or connector	-

Table 6. Front Fog Light (w/ Front Fog Light)
Symptom	Suspected Area	Link
Left or right front fog light does not illuminate	Bulb	-
Left or right front fog light does not illuminate	Harness or connector	-
Both left and right front fog lights do not illuminate (taillights are normal)	Headlight dimmer switch circuit	Click here
	Front fog light circuit	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here

Table 7. Rear Fog Light (w/ Rear Fog Light)
Symptom	Suspected Area	Link
Rear fog light does not illuminate (taillights are normal)	Bulb	-
	Rear light lens and body	Click here
	Rear light socket and wire	Click here
	Headlight dimmer switch circuit	Click here
	Rear fog light circuit	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here

Table 8. Back-up Light
Symptom	Suspected Area	Link
Back-up light does not illuminate	ECU-IG NO. 2 fuse	-
	Bulb	-
	Rear light socket and wire (for Hatchback or Wagon)	Click here
	Back-up light socket (for Sedan)	Click here
	Park/neutral position switch assembly (for CVT (K311))	Click here
	Back-up light switch assembly (for Manual Transaxle (EA66))	Click here
	Back-up light switch assembly (for Manual Transaxle (EC60))	Click here
	Back-up light switch assembly (for Manual Transaxle (EC61))	Click here
	Back-up light switch assembly (for Manual Transaxle (EC69))	Click here
	Back-up light switch assembly (for Multi-mode Manual Transaxle (EC65A))	Click here
	Harness or connector	-

Table 9. Turn Signal Light
Symptom	Suspected Area	Link
Left or right turn signal light does not operate (except side turn signal lights)	Bulb	-
	Front turn signal light socket (for Hatchback or Wagon)	Click here
	Front turn signal light socket (for Sedan)	Click here
	Rear combination light socket and wire sub-assembly (for Hatchback or Wagon)	Click here
	Rear turn signal light socket (for Sedan)	Click here
	Harness or connector	-
Side turn signal light does not operate	Bulb	-
	Side turn signal light assembly	Click here
	Outer rear view mirror assembly	Click here
	Harness or connector	-
Turn signal lights do not operate in one direction	Turn signal switch circuit	Click here
Turn signal lights do not operate in one direction	Meter / gauge system	Click here
All turn signal lights do not operate	Turn signal switch circuit	Click here
	Combination meter assembly (for Hatchback or Wagon)	Click here
	Combination meter assembly (for Sedan)	Click here
All turn signal lights do not flash at the correct speed	Combination meter assembly (for Hatchback or Wagon)	Click here
All turn signal lights do not flash at the correct speed	Combination meter assembly (for Sedan)	Click here

Table 10. Hazard Warning Light
Symptom	Suspected Area	Link
Hazard warning lights do not operate	Hazard warning switch circuit	Click here
	Combination meter assembly (for Hatchback or Wagon)	Click here
	Combination meter assembly (for Sedan)	Click here

Table 11. Automatic Light Control System (w/ Automatic Light Control)
Symptom	Suspected Area	Link
Automatic light control system does not operate	Check DTCs	Click here
	Headlight dimmer switch circuit	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here

Table 12. Light Auto Turn-off System
Symptom	Suspected Area	Link
Light auto turn-off system does not operate	Headlight dimmer switch circuit	Click here
	IG signal circuit	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here

Table 13. Daytime Running Light System
Symptom	Suspected Area	Link
Daytime running light system does not operate (both left and right daytime running lights do not illuminate)	CAN communication system (w/o Central Gateway ECU)	Click here
	CAN communication system (w/ Central Gateway ECU)	Click here
	Headlight dimmer switch circuit	Click here
	IG signal circuit	Click here
	Parking brake switch circuit	Click here
	Daytime running light relay circuit	Click here Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
Left or right daytime running light does not illuminate	Headlight unit (for Hatchback or Wagon)	Click here
	Headlight unit (for Sedan)	Click here
	Harness or connector	-

Table 14. Follow Me Home System
Symptom	Suspected Area	Link
Follow me home system does not operate	IG signal circuit	Click here
	Headlight dimmer switch circuit	Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here