LIGHTING SYSTEM PROBLEM SYMPTOMS TABLE
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.
Symptom |
Suspected Area |
Link |
|---|---|---|
One 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 |
||
Low beam headlight circuit |
||
Main body ECU (Multiplex network body ECU) (for LHD) |
||
Main body ECU (Multiplex network body ECU) (for RHD) |
||
One high beam headlight does not illuminate (for Hatchback or Wagon) |
H-LP LH-HI fuse or H-LP RH-HI fuse |
- |
Headlight unit |
||
Harness or connector |
- |
|
Both left and right high beam headlights do not illuminate (for Hatchback or Wagon) |
Headlight dimmer switch circuit |
|
Headlight solenoid circuit |
||
Main body ECU (Multiplex network body ECU) (for LHD) |
||
Main body ECU (Multiplex network body ECU) (for RHD) |
||
One high beam headlight does not illuminate (for Sedan) |
Bulb |
- |
H-LP LH-HI fuse or H-LP RH-HI fuse |
- |
|
Harness or connector |
- |
|
Both left and right high beam headlights do not illuminate (for Sedan) |
Headlight dimmer switch circuit |
|
High beam headlight circuit |
||
Main body ECU (Multiplex network body ECU) (for LHD) |
||
Main body ECU (Multiplex network body ECU) (for RHD) |
||
"High Flash" (passing function) does not illuminate low beam headlights (high beam headlights are normal) |
Headlight dimmer switch circuit |
|
Main body ECU (Multiplex network body ECU) (for LHD) |
||
Main body ECU (Multiplex network body ECU) (for RHD) |
||
One front parking light does not illuminate |
Headlight unit (for Hatchback or Wagon) |
|
Headlight unit (for Sedan) |
||
Harness or connector |
- |
|
Instrument panel junction block assembly (for LHD) |
||
Instrument panel junction block assembly (for RHD) |
Symptom |
Suspected Area |
Link |
|---|---|---|
One low beam headlight does not illuminate |
H-LP LH-LO fuse or H-LP RH-LO fuse |
- |
Discharge headlight bulb |
||
Harness or connector |
- |
|
Headlight light control ECU sub-assembly |
||
Headlight unit |
||
Both left and right low beam headlights do not illuminate |
H-LP-MAIN fuse |
- |
Headlight dimmer switch circuit |
||
Low beam headlight circuit |
||
Main body ECU (Multiplex network body ECU) (for LHD) |
||
Main body ECU (Multiplex network body ECU) (for RHD) |
||
One high beam headlight does not illuminate |
H-LP LH-HI fuse or H-LP RH-HI fuse |
- |
Headlight unit |
||
Harness or connector |
- |
|
Both left and right high beam headlights do not illuminate |
Headlight dimmer switch circuit |
|
Headlight solenoid circuit |
||
Main body ECU (Multiplex network body ECU) (for LHD) |
||
Main body ECU (Multiplex network body ECU) (for RHD) |
||
"High Flash" (passing function) does not illuminate low beam headlights (high beam headlights are normal) |
Headlight dimmer switch circuit |
|
Main body ECU (Multiplex network body ECU) (for LHD) |
||
Main body ECU (Multiplex network body ECU) (for RHD) |
||
Discharge headlight bulb flickers |
Discharge headlight bulb |
|
Harness or connector |
- |
|
Headlight light control ECU sub-assembly |
||
Discharge headlight bulb is dark |
Discharge headlight bulb |
|
Harness or connector |
- |
|
Headlight light control ECU sub-assembly |
||
One front parking light does not illuminate |
Headlight unit |
|
Harness or connector |
- |
|
Instrument panel junction block assembly (for LHD) |
||
Instrument panel junction block assembly (for RHD) |
Symptom |
Suspected Area |
Link |
|---|---|---|
One taillight (rear combination light assembly) does not illuminate |
Bulb |
- |
Rear combination light socket and wire sub-assembly (for Hatchback or Wagon) |
||
Tail and stop light socket (for Sedan) |
||
Harness or connector |
- |
|
One taillight (rear light assembly) does not illuminate (for Sedan) |
Bulb |
- |
Tail light socket |
||
Harness or connector |
- |
|
All of the lights (taillights, parking lights and license plate lights) do not illuminate (TAIL fuse is normal) |
Headlight dimmer switch circuit |
|
Taillight relay circuit |
||
Main body ECU (Multiplex network body ECU) (for LHD) |
||
Main body ECU (Multiplex network body ECU) (for RHD) |
||
All of the lights (taillights, parking lights and license plate lights) do not illuminate (TAIL fuse breaks when replaced) |
Harness or connector |
- |
License plate light socket plug (for Hatchback) |
||
License plate light assembly (for Wagon) |
||
License plate light assembly (for Sedan) |
||
Rear combination light socket and wire sub-assembly (for Hatchback or Wagon) |
||
Rear combination light socket and wire sub-assembly (for Sedan) |
||
Headlight unit |
Symptom |
Suspected Area |
Link |
|---|---|---|
Both left and right license plate lights do not illuminate |
Harness or connector |
- |
One license plate light does not illuminate |
Bulb |
- |
License plate light socket plug (for Hatchback) |
||
License plate light assembly (for Wagon) |
||
License plate light assembly (for Sedan) |
||
Harness or connector |
- |
Symptom |
Suspected Area |
Link |
|---|---|---|
One side stop light does not illuminate |
Bulb |
- |
Rear combination light socket and wire sub-assembly |
||
Harness or connector |
- |
|
Center stop light does not illuminate |
Center stop light assembly |
|
Radio setting condenser (for Hatchback) |
||
Radio setting condenser (for Wagon) |
||
Radio setting condenser (for Sedan) |
||
Harness or connector |
- |
|
All of the stop lights do not illuminate |
STOP fuse |
- |
STOP LP relay (for CVT) |
||
Stop light switch assembly |
||
Harness or connector |
- |
Symptom |
Suspected Area |
Link |
|---|---|---|
One front fog light does not illuminate |
Bulb |
- |
Harness or connector |
- |
|
Both left and right front fog lights do not illuminate (taillights are normal) |
Headlight dimmer switch circuit |
|
Front fog light circuit |
||
Main body ECU (Multiplex network body ECU) (for LHD) |
||
Main body ECU (Multiplex network body ECU) (for RHD) |
*1: w/ Front Fog Light
Symptom |
Suspected Area |
Link |
|---|---|---|
Rear fog light does not illuminate (taillights are normal) |
Bulb |
- |
Headlight dimmer switch circuit |
||
Rear fog light circuit |
||
Main body ECU (Multiplex network body ECU) (for LHD) |
||
Main body ECU (Multiplex network body ECU) (for RHD) |
*1: w/ Rear Fog Light
Symptom |
Suspected Area |
Link |
|---|---|---|
Back-up light does not illuminate |
ECU-IG NO. 2 fuse |
- |
Bulb |
- |
|
Back-up light socket (for Hatchback or Wagon) |
||
Back-up light socket (for Sedan) |
||
Park/neutral position switch assembly (for CVT (K311)) |
||
Back-up light switch assembly (for Manual Transaxle (EA66)) |
||
Back-up light switch assembly (for Manual Transaxle (EC60)) |
||
Back-up light switch assembly (for Manual Transaxle (EC61)) |
||
Back-up light switch assembly (for Manual Transaxle (EC69)) |
||
Back-up light switch assembly (for Multi-mode Manual Transaxle(EC65A)) |
||
Harness or connector |
- |
Symptom |
Suspected Area |
Link |
|---|---|---|
One turn signal light does not operate (except side turn signal lights) |
Bulb |
- |
Front turn signal light socket (for Hatchback or Wagon) |
||
Front turn signal light socket (for Sedan) |
||
Rear combination light socket and wire sub-assembly (for Hatchback or Wagon) |
||
Rear turn signal light socket (for Sedan) |
||
Harness or connector |
- |
|
Side turn signal light does not operate |
Bulb |
- |
Side turn signal light assembly |
||
Outer rear view mirror assembly |
||
Harness or connector |
- |
|
Turn signal lights do not operate in one direction |
Turn signal switch circuit |
|
Meter/gauge system |
||
All turn signal lights do not operate |
Turn signal switch circuit |
|
Combination meter assembly (for Hatchback or Wagon) |
||
Combination meter assembly (for Sedan) |
||
All turn signal lights do not flash at the correct speed |
Combination meter assembly (for Hatchback or Wagon) |
|
Combination meter assembly (for Sedan) |
Symptom |
Suspected Area |
Link |
|---|---|---|
Hazard warning lights do not operate |
Hazard warning switch circuit |
|
Combination meter assembly (for Hatchback or Wagon) |
||
Combination meter assembly (for Sedan) |
Symptom |
Suspected Area |
Link |
|---|---|---|
Automatic light control system does not operate |
Check DTCs |
|
Headlight dimmer switch circuit |
||
Main body ECU (Multiplex network body ECU) (for LHD) |
||
Main body ECU (Multiplex network body ECU) (for RHD) |
*1: w/ Automatic Light Control
Symptom |
Suspected Area |
Link |
|---|---|---|
Light auto turn-off system does not operate |
Headlight dimmer switch circuit |
|
IG signal circuit |
||
Main body ECU (Multiplex network body ECU) (for LHD) |
||
Main body ECU (Multiplex network body ECU) (for RHD) |
Symptom |
Suspected Area |
Link |
|---|---|---|
Daytime running light system does not operate (both left and right daytime running lights do not illuminate) |
CAN communication system |
|
Headlight dimmer switch circuit |
||
IG signal circuit |
||
Parking brake switch circuit |
||
Daytime running light relay circuit |
||
Main body ECU (Multiplex network body ECU) (for LHD) |
||
Main body ECU (Multiplex network body ECU) (for RHD) |
||
One side daytime running light does not illuminate |
Headlight unit (for Hatchback or Wagon) |
|
Headlight unit (for Sedan) |
||
Harness or connector |
- |
Symptom |
Suspected Area |
Link |
|---|---|---|
Follow me home system does not operate |
IG signal circuit |
|
Headlight dimmer switch circuit |
||
Main body ECU (Multiplex network body ECU) (for LHD) |
||
Main body ECU (Multiplex network body ECU) (for RHD) |