Problem Symptoms Table [08/2014 - ]
WARNING: This page is about a different variant/trim than selected.
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 | Page |
|---|---|---|
| One low beam headlight does not illuminate. | Bulb | - |
| Integration relay | Refer to COMPONENTS [08/2014 - ] | |
| Harness or connector | - | |
| Both left and right low beam headlights do not illuminate. | Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [08/2014 - ] |
| Low beam headlight circuit | Refer to Low Beam Headlight Circuit [08/2014 - ] | |
| Main body ECU (Multiplex network body ECU) | Refer to COMPONENTS [08/2014 - ] | |
| One high beam headlight does not illuminate. | H-LP LH HI fuse or H-LP RH HI fuse | - |
| Bulb | - | |
| Integration relay | Refer to COMPONENTS [08/2014 - ] | |
| Harness or connector | - | |
| Both left and right high beam headlights do not illuminate. | H-LP HI MAIN FUSE | - |
| Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [08/2014 - ] | |
| High beam headlight circuit | Refer to High Beam Headlight Circuit [08/2014 - ] | |
| Main body ECU (Multiplex network body ECU) | Refer to COMPONENTS [08/2014 - ] | |
| "High Flash" (passing function) headlight does not illuminate (high beam headlights are normal). | Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [08/2014 - ] |
| Main body ECU (Multiplex network body ECU) | Refer to COMPONENTS [08/2014 - ] | |
| One front parking light does not illuminate. | Bulb | - |
| Harness or connector | - | |
| One rear taillight does not illuminate. | Rear combination light assembly | Refer to COMPONENTS [08/2014 - ] |
| Harness or connector | - | |
| One license plate light does not illuminate. | Bulb | - |
| Harness or connector | - | |
| One front side marker light does not illuminate. | Bulb | - |
| Harness or connector | - | |
| One rear side marker light does not illuminate. | Rear combination light assembly | - |
| Harness or connector | - | |
| All of the lights (rear taillights, front side marker lights, parking lights, license plate lights and rear side marker lights) do not illuminate. | TAIL fuse | - |
| Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [08/2014 - ] | |
| Taillight relay circuit | Refer to Taillight Relay Circuit [08/2014 - ] | |
| Main body ECU (Multiplex network body ECU) | Refer to COMPONENTS [08/2014 - ] |
HEADLIGHT AND TAILLIGHT (FOR LED HEADLIGHT)
| Symptom | Suspected Area | Page |
|---|---|---|
| One low beam headlight does not illuminate. | Check DTCs | - |
| Light control ECU | Refer to COMPONENTS [08/2014 - ] | |
| Integration relay | Refer to COMPONENTS [08/2014 - ] | |
| Headlight unit | Refer to COMPONENTS [08/2014 - ] | |
| Harness or connector | - | |
| Both left and right low beam headlights do not illuminate. | Check DTCs | Refer to DTC CHECK / CLEAR [08/2014 - ] |
| Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [08/2014 - ] | |
| Low beam headlight circuit | Refer to Low Beam Headlight Circuit [08/2014 - ] | |
| Main body ECU (Multiplex network body ECU) | Refer to COMPONENTS [08/2014 - ] | |
| "High Flash" (passing function) headlight does not illuminate (high beam headlights are normal). | Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [08/2014 - ] |
| Main body ECU (Multiplex network body ECU) | Refer to COMPONENTS [08/2014 - ] | |
| One front parking light does not illuminate. | Bulb | - |
| Harness or connector | - | |
| One rear taillight does not illuminate. | Rear combination light assembly | Refer to COMPONENTS [08/2014 - ] |
| Harness or connector | - | |
| One license plate light does not illuminate. | Bulb | - |
| Harness or connector | - | |
| One front side marker light does not illuminate. | Bulb | - |
| Harness or connector | - | |
| One rear side marker light does not illuminate. | Rear combination light assembly | Refer to COMPONENTS [08/2014 - ] |
| Harness or connector | - | |
| All of the lights (rear taillights, front side marker lights, parking lights, license plate lights and rear side marker lights) do not illuminate. | TAIL fuse | - |
| Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [08/2014 - ] | |
| Taillight relay circuit | Refer to Taillight Relay Circuit [08/2014 - ] | |
| Main body ECU (Multiplex network body ECU) | Refer to COMPONENTS [08/2014 - ] |
STOP LIGHT
| Symptom | Suspected Area | Page |
|---|---|---|
| One side stop light does not illuminate. | Rear combination light assembly | Refer to COMPONENTS [08/2014 - ] |
| Harness or connector | - | |
| High mounted stop light does not illuminate. | Center stop light assembly | Refer to INSPECTION [08/2014 - ] |
| Center stop light wire harness | Refer to INSPECTION [08/2014 - ] | |
| Harness or connector | - | |
| All of the stop lights do not illuminate. | STOP fuse | - |
| Stop light switch assembly | Refer to ON-VEHICLE INSPECTION [08/2014 - ] | |
| Stop light control relay | Refer to INSPECTION [08/2014 - ] | |
| Harness or connector | - | |
| Stop lights remain on. | Electronically controlled brake system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ] |
| Stop light switch assembly | Refer to ON-VEHICLE INSPECTION [08/2014 - ] | |
| Stop light control ECU assembly | Refer to INSPECTION [08/2014 - ] | |
| Harness or connector | - | |
| Skid control ECU | Refer to COMPONENTS [08/2014 - ] |
FRONT FOG LIGHT
| Symptom | Suspected Area | Page |
|---|---|---|
| One front fog light does not illuminate. | Bulb | - |
| Harness or connector | - | |
| Both left and right front fog lights do not illuminate (taillights are normal). | FR FOG fuse | - |
| Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [08/2014 - ] | |
| Front fog light circuit | Refer to Front Fog Light Circuit [08/2014 - ] | |
| Main body ECU (Multiplex network body ECU) | Refer to COMPONENTS [08/2014 - ] |
BACK-UP LIGHT
| Symptom | Suspected Area | Page |
|---|---|---|
| One back-up light does not illuminate. | Bulb | - |
| Harness or connector | - | |
| Both left and right back-up lights do not illuminate. | Back-up light circuit | Refer to Back-up Light Circuit [08/2014 - ] |
| Park/neutral position switch | - | |
| Harness or connector | - | |
| Power management control ECU | - |
TURN SIGNAL LIGHT
| Symptom | Suspected Area | Page |
|---|---|---|
| Side turn signal light does not operate. | Side turn signal light assembly | Refer to INSPECTION [08/2014 - ] |
| Harness or connector | - | |
| One turn signal light does not operate (except side turn signal lights). | Bulb | - |
| Harness or connector | - | |
| Turn signal lights do not operate in one direction. | Headlight dimmer switch assembly (Turn signal light switch) | Refer to INSPECTION [08/2014 - ] |
| Turn signal flasher assembly | Refer to INSPECTION [08/2014 - ] | |
| Harness or connector | - | |
| All turn signal lights do not operate. | ECU-IG NO. 2 fuse | - |
| HAZ fuse | - | |
| Headlight dimmer switch assembly (Turn signal light switch) | Refer to INSPECTION [08/2014 - ] | |
| Turn signal flasher assembly | Refer to INSPECTION [08/2014 - ] | |
| Harness or connector | - | |
| All turn signal lights do not flash at the correct speed. | Bulb | - |
| Side turn signal light assembly | Refer to INSPECTION [08/2014 - ] | |
| Turn signal flasher assembly | Refer to INSPECTION [08/2014 - ] | |
| Harness or connector | - |
HAZARD WARNING LIGHT
| Symptom | Suspected Area | Page |
|---|---|---|
| Hazard warning lights do not operate. | HAZ fuse | - |
| ECU-IG NO. 2 fuse | - | |
| Hazard warning switch | Refer to INSPECTION [08/2014 - ] | |
| Turn signal flasher assembly | Refer to INSPECTION [08/2014 - ] | |
| Harness or connector | - | |
| Hazard warning lights operate when the hazard warning switch is not turned on. | Electronically controlled brake system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ] |
| Hazard warning switch | Refer to INSPECTION [08/2014 - ] | |
| Turn signal flasher assembly | Refer to INSPECTION [08/2014 - ] | |
| Harness or connector | - | |
| Skid control ECU | Refer to COMPONENTS [08/2014 - ] | |
| Main body ECU (Multiplex network body ECU) | - |
AUTOMATIC LIGHT CONTROL SYSTEM
| Symptom | Suspected Area | Page |
|---|---|---|
| Automatic light control system does not operate. | Check DTCs | Refer to DTC CHECK / CLEAR [08/2014 - ] |
| Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [08/2014 - ] | |
| IG signal circuit | Refer to IG Signal Circuit [08/2014 - ] | |
| Main body ECU (Multiplex network body ECU) | Refer to COMPONENTS [08/2014 - ] |
LIGHT AUTO TURN-OFF SYSTEM
| Symptom | Suspected Area | Page |
|---|---|---|
| Light auto turn-off system does not operate. | Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [08/2014 - ] |
| Door courtesy switch circuit | Refer to Door Courtesy Switch Circuit [08/2014 - ] | |
| Door unlock detection switch circuit | Refer to Door Unlock Detection Switch Circuit [08/2014 - ] | |
| IG signal circuit | Refer to IG Signal Circuit [08/2014 - ] | |
| Main body ECU (Multiplex network body ECU) | Refer to COMPONENTS [08/2014 - ] |
DAYTIME RUNNING LIGHT SYSTEM
| Symptom | Suspected Area | Page |
|---|---|---|
| Daytime running light system does not operate. | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2014 - ] |
| Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [08/2014 - ] | |
| IG signal circuit | Refer to IG Signal Circuit [08/2014 - ] | |
| Parking brake switch circuit | Refer to Parking Brake Switch Circuit [08/2014 - ] | |
| Daytime running light relay circuit | Refer to Daytime Running Light Relay Circuit [08/2014 - ] | |
| Main body ECU (Multiplex network body ECU) | Refer to COMPONENTS [08/2014 - ] |
AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL
| Symptom | Suspected Area | Page |
|---|---|---|
| Headlight beam level control indicator light flashes. | Check DTCs | Refer to DTC CHECK / CLEAR [08/2014 - ] |
| Indicator light circuit | Refer to Indicator Circuit [08/2014 - ] | |
| Headlight leveling ECU assembly | Refer to COMPONENTS [08/2014 - ] | |
| Headlight beam level control does not operate (indicator light is off). | Check the FAIL-SAFE function | Refer to FAIL-SAFE CHART [08/2014 - ] |
| Headlight beam level control actuator circuit | Refer to Headlight Beam Level Control Actuator Circuit [08/2014 - ] | |
| Headlight signal circuit | Refer to Headlight Signal Circuit [08/2014 - ] | |
| Headlight leveling ECU power source circuit | Refer to COMPONENTS [08/2014 - ] | |
| Combination meter assembly | Refer to COMPONENTS [08/2014 - ] | |
| Headlight leveling ECU assembly | Refer to COMPONENTS [08/2014 - ] | |
| Headlight beam level control system indicator light does not come on when turning the power switch on (IG). | Indicator light circuit | Refer to Indicator Circuit [08/2014 - ] |
| Headlight leveling ECU power source circuit | Refer to Headlight Leveling ECU Power Source Circuit [08/2014 - ] | |
| Headlight leveling ECU assembly | Refer to COMPONENTS [08/2014 - ] | |
| Combination meter assembly | Refer to COMPONENTS [08/2014 - ] | |
| DTC information cannot be detected. | Diagnosis circuit | Refer to Diagnosis Circuit [08/2014 - ] |
| Headlight leveling ECU assembly | Refer to COMPONENTS [08/2014 - ] | |
| Initialization cannot be performed. | Check DTCs | Refer to DTC CHECK / CLEAR [08/2014 - ] |
| LVL terminal circuit | Refer to LVL Terminal Circuit [08/2014 - ] | |
| Headlight leveling ECU assembly | Refer to COMPONENTS [08/2014 - ] |
NOTE:
- Initialize the headlight leveling ECU assembly after the vehicle height changes due to replacement of the suspension or after performing such operations as removal and reinstallation or replacement of the rear height control sensor sub-assembly RH.
- When the headlight leveling ECU assembly is replaced, initialization is also necessary.