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Problem Symptoms Table [10/2014 - 10/2015]

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.

HEADLIGHT AND TAILLIGHT (FOR HALOGEN HEADLIGHT)

Symptom Suspected Area See page
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 Headlight dimmer switch circuit Refer to Headlight Dimmer Switch Circuit [10/2014 - 10/2015]
Low beam headlight circuit Refer to Low Beam Headlight Circuit [10/2014 - 10/2015]
Main body ECU (Multiplex network body ECU) Refer to REMOVAL [10/2014 - 10/2015]
One high beam headlight does not illuminate Bulb -
Headlight assembly Refer to REMOVAL [10/2014 - 10/2015]
Harness or connector -
Engine room junction block assembly Refer to REMOVAL [10/2014 - ]
Both left and right high beam headlights do not illuminate Headlight dimmer switch circuit Refer to Headlight Dimmer Switch Circuit [10/2014 - 10/2015]
High beam headlight circuit Refer to High Beam Headlight Circuit [10/2014 - 10/2015]
Main body ECU (Multiplex network body ECU) Refer to REMOVAL [10/2014 - 10/2015]
"High Flash" (passing function) does not illuminate low beam headlights (high beam headlights are normal) Headlight dimmer switch circuit Refer to Headlight Dimmer Switch Circuit [10/2014 - 10/2015]
Main body ECU (Multiplex network body ECU) Refer to REMOVAL [10/2014 - 10/2015]
One front parking light does not illuminate Bulb -
Front turn signal light socket Refer to INSPECTION [10/2014 - ]
Harness or connector -
Instrument panel junction block assembly Refer to REMOVAL [10/2014 - 10/2015]
One taillight (rear combination light assembly) does not illuminate Rear combination light assembly Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Harness or connector -
One taillight (rear light assembly) does not illuminate Rear light assembly Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Harness or connector -
One license plate light does not illuminate Bulb -
License plate light assembly Refer to INSPECTION [10/2014 - 10/2015]
Harness or connector -
One front side marker light does not illuminate Bulb -
Front side marker light socket and wire -
Harness or connector -
One rear side marker light does not illuminate Rear combination light assembly Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Harness or connector -
All of the lights (taillights, parking lights, front side marker lights, rear side marker lights and license plate lights) do not illuminate (TAIL fuse is normal) Headlight dimmer switch circuit Refer to Headlight Dimmer Switch Circuit [10/2014 - 10/2015]
Taillight relay circuit Refer to Taillight Relay Circuit [10/2014 - ]
Main body ECU (Multiplex network body ECU) Refer to REMOVAL [10/2014 - 10/2015]
All of the lights (taillights, parking lights, front side marker lights, rear side marker lights and license plate lights) do not illuminate (TAIL fuse breaks when replaced) Harness or connector -
License plate light assembly Refer to INSPECTION [10/2014 - 10/2015]
Rear combination light assembly Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Rear light assembly Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Front turn signal light socket Refer to INSPECTION [10/2014 - ]
Headlight assembly Refer to REMOVAL [10/2014 - 10/2015]
HEADLIGHT AND TAILLIGHT (FOR HID HEADLIGHT)

Symptom Suspected Area See page
One low beam headlight does not illuminate H-LP LH-LO fuse or H-LP RH-LO fuse -
Discharge headlight bulb Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Harness or connector -
Light control ECU Refer to REMOVAL [10/2014 - 10/2015]
Headlight unit Refer to REMOVAL [10/2014 - 10/2015]
Both left and right low beam headlights do not illuminate Headlight dimmer switch circuit Refer to Headlight Dimmer Switch Circuit [10/2014 - 10/2015]
Low beam headlight circuit Refer to Low Beam Headlight Circuit [10/2014 - 10/2015]
Main body ECU (Multiplex network body ECU) Refer to REMOVAL [10/2014 - 10/2015]
One high beam headlight does not illuminate Bulb -
Headlight unit Refer to REMOVAL [10/2014 - 10/2015]
Harness or connector -
Engine room junction block assembly Refer to REMOVAL [10/2014 - ]
Both left and right high beam headlights do not illuminate Headlight dimmer switch circuit Refer to Headlight Dimmer Switch Circuit [10/2014 - 10/2015]
High beam headlight circuit Refer to High Beam Headlight Circuit [10/2014 - 10/2015]
Main body ECU (Multiplex network body ECU) Refer to REMOVAL [10/2014 - 10/2015]
"High Flash" (passing function) does not illuminate low beam headlights (high beam headlights are normal) Headlight dimmer switch circuit Refer to Headlight Dimmer Switch Circuit [10/2014 - 10/2015]
Main body ECU (Multiplex network body ECU) Refer to REMOVAL [10/2014 - 10/2015]
Discharge headlight bulb flickers Discharge headlight bulb Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Harness or connector -
Light control ECU Refer to REMOVAL [10/2014 - 10/2015]
Discharge headlight bulb is dark Discharge headlight bulb Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Harness or connector -
Light control ECU Refer to REMOVAL [10/2014 - 10/2015]
One front parking light does not illuminate Headlight unit Refer to REMOVAL [10/2014 - 10/2015]
Harness or connector -
Instrument panel junction block assembly Refer to REMOVAL [10/2014 - 10/2015]
One taillight (rear combination light assembly) does not illuminate Rear combination light assembly Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Harness or connector -
One taillight (rear light assembly) does not illuminate Rear light assembly Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Harness or connector -
One license plate light does not illuminate Bulb -
License plate light assembly Refer to INSPECTION [10/2014 - 10/2015]
Harness or connector -
One front side marker light does not illuminate Bulb -
Front side marker light socket and wire -
Harness or connector -
One rear side marker light does not illuminate Rear combination light assembly Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Harness or connector -
All of the lights (taillights, parking lights, front side marker lights, rear side marker lights and license plate lights) do not illuminate (TAIL fuse is normal) Headlight dimmer switch circuit Refer to Headlight Dimmer Switch Circuit [10/2014 - 10/2015]
Taillight relay circuit Refer to Taillight Relay Circuit [10/2014 - ]
Main body ECU (Multiplex network body ECU) Refer to REMOVAL [10/2014 - 10/2015]
All of the lights (taillights, parking lights, front side marker lights, rear side marker lights and license plate lights) do not illuminate (TAIL fuse breaks when replaced) Harness or connector -
License plate light assembly Refer to INSPECTION [10/2014 - 10/2015]
Rear combination light assembly Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Rear light assembly Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Headlight unit Refer to REMOVAL [10/2014 - 10/2015]
STOP LIGHT

Symptom Suspected Area See page
One side stop light does not illuminate Rear combination light assembly Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Harness or connector -
Center stop light does not illuminate Center stop light assembly Refer to INSPECTION [10/2014 - ]
Radio setting condenser Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Harness or connector -
All of the stop lights do not illuminate STOP fuse -
Stop light switch assembly Refer to ON-VEHICLE INSPECTION [10/2014 - ]
Harness or connector -
FRONT FOG LIGHT (W/ FRONT FOG LIGHT)

Symptom Suspected Area See page
One front fog light does not illuminate Bulb -
Harness or connector -
Engine room junction block assembly Refer to REMOVAL [10/2014 - ]
Both left and right front fog lights do not illuminate (taillights are normal) Headlight dimmer switch circuit Refer to Headlight Dimmer Switch Circuit [10/2014 - 10/2015]
Front fog light circuit Refer to Front Fog Light Circuit [10/2014 - 10/2015]
Main body ECU (Multiplex network body ECU) Refer to REMOVAL [10/2014 - 10/2015]
BACK-UP LIGHT

Symptom Suspected Area See page
One back-up light does not illuminate Bulb -
Harness or connector -
Both left and right back-up lights do not illuminate DC/DC fuse -
Back-up light circuit Refer to Back-up Light Circuit [10/2014 - 10/2015]
TURN SIGNAL LIGHT

Symptom Suspected Area See page
One front turn signal light does not operate Bulb -
Front turn signal light socket Refer to INSPECTION [10/2014 - ]
Harness or connector -
One rear turn signal light does not operate Bulb -
Harness or connector -
Side turn signal light does not operate Side turn signal light assembly Refer to INSPECTION [10/2014 - ]
Outer rear view mirror assembly Refer to REMOVAL [10/2014 - ]
Outer mirror control ECU assembly*1 Refer to REMOVAL [10/2014 - ]
Harness or connector -
Turn signal lights do not operate in one direction Turn signal switch circuit Refer to Turn Signal Switch Circuit [10/2014 - ]
Combination meter assembly Refer to REMOVAL [10/2014 - ]
Harness or connector -
All turn signal lights do not operate Turn signal switch circuit Refer to Turn Signal Switch Circuit [10/2014 - ]
Combination meter assembly Refer to REMOVAL [10/2014 - ]
All turn signal lights do not flash at the correct speed Combination meter assembly Refer to REMOVAL [10/2014 - ]
HAZARD WARNING LIGHT

Symptom Suspected Area See page
Hazard warning lights do not operate Hazard warning switch circuit Refer to Hazard Warning Switch Circuit [10/2014 - ]
Combination meter assembly Refer to REMOVAL [10/2014 - ]
AUTOMATIC LIGHT CONTROL SYSTEM

Symptom Suspected Area See page
Automatic light control system does not operate Check DTCs Refer to DTC CHECK / CLEAR [10/2014 - ] 
Headlight dimmer switch circuit Refer to Headlight Dimmer Switch Circuit [10/2014 - 10/2015]
Main body ECU (Multiplex network body ECU) Refer to REMOVAL [10/2014 - 10/2015]
LIGHT AUTO TURN-OFF SYSTEM

Symptom Suspected Area See page
Light auto turn-off system does not operate Headlight dimmer switch circuit Refer to Headlight Dimmer Switch Circuit [10/2014 - 10/2015]
Front door courtesy switch circuit Refer to Front Door Courtesy Switch Circuit [10/2014 - ]
Rear door courtesy switch circuit Refer to Rear Door Courtesy Switch Circuit [10/2014 - ]
IG signal circuit Refer to IG Signal Circuit [10/2014 - 10/2015]
Main body ECU (Multiplex network body ECU) Refer to REMOVAL [10/2014 - 10/2015]
DAYTIME RUNNING LIGHT SYSTEM

Symptom Suspected Area See page
Daytime running light system does not operate (both left and right daytime running lights do not illuminate) CAN communication system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015]
Headlight dimmer switch circuit Refer to Headlight Dimmer Switch Circuit [10/2014 - 10/2015]
IG signal circuit Refer to IG Signal Circuit [10/2014 - 10/2015]
Parking brake switch circuit Refer to Parking Brake Switch Circuit [10/2014 - ]
Daytime running light relay circuit Refer to Daytime Running Light Relay Circuit [10/2014 - 10/2015]
Main body ECU (Multiplex network body ECU) Refer to REMOVAL [10/2014 - 10/2015]
One side daytime running light does not illuminate (for Halogen Headlight) Headlight assembly Refer to REMOVAL [10/2014 - 10/2015]
Harness or connector -
One side daytime running light does not illuminate (for HID Headlight) Headlight unit Refer to REMOVAL [10/2014 - 10/2015]
Harness or connector -
DOOR MIRROR FOOT LIGHT (W/ DOOR MIRROR FOOT LIGHT)

Symptom Suspected Area See page
One door mirror foot light does not illuminate Bulb -
Door mirror foot light circuit Refer to Door Mirror Foot Light Circuit [10/2014 - ]
Outer mirror control ECU assembly Refer to REMOVAL [10/2014 - ]
Both left and right door mirror foot lights do not illuminate CAN communication system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015]
Power door lock control system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - ]
Wireless door lock control system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015]
Smart key system (for Entry Function) Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015]
Door mirror foot light circuit Refer to Door Mirror Foot Light Circuit [10/2014 - ]
Door unlock detection switch circuit Refer to Door Unlock Detection Switch Circuit [10/2014 - ]
Main body ECU (Multiplex network body ECU) Refer to REMOVAL [10/2014 - 10/2015]
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