Problem Symptoms Table [10/2015 - ]
NOTE:
When replacing the main body ECU (multiplex network body ECU), make sure to replace it with a new one.
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.
- Inspect the fuses and bulbs for circuits related to this system before performing the following inspection procedure.
HEADLIGHT SYSTEM (FOR HALOGEN HEADLIGHT)
| Symptom | Suspected Area | Link |
|---|---|---|
| Low beam headlight on one side does not illuminate. | H-LP LH-LO fuse or H-LP RH-LO fuse | - |
| Harness or connector | - | |
| Running light relay | Refer to ON-VEHICLE INSPECTION [10/2015 - ] | |
| Headlight bulb | Refer to DISASSEMBLY [10/2015 - ] | |
| Headlight unit | Refer to REMOVAL [10/2015 - ] | |
| Both left and right low beam headlights do not illuminate. | Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [10/2015 - ] |
| Headlight relay circuit | Refer to Headlight Relay Circuit [10/2015 - ] | |
| Harness or connector | - | |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2012 - ] | |
| High beam flash function does not operate. | Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [10/2015 - ] |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2012 - ] | |
| High beam headlight on one side does not illuminate. | H-LP LH-HI fuse or H-LP RH-HI fuse | - |
| Headlight bulb | Refer to DISASSEMBLY [10/2015 - ] | |
| Harness or connector | - | |
| Both left and right high beam headlights do not illuminate. | Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [10/2015 - ] |
| Headlight (High beam) circuit | Refer to Headlight (HI-BEAM) Circuit [10/2015 - ] | |
| Harness or connector | - | |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2012 - ] | |
| Parking lights do not illuminate. | Harness or connector | - |
| Parking light bulb | Refer to DISASSEMBLY [10/2015 - ] | |
| Side marker light do not illuminate | Harness or connector | - |
| Side marker light bulb | - |
HEADLIGHT SYSTEM (FOR LED HEADLIGHT)
| Symptom | Suspected Area | Link |
|---|---|---|
| Low beam headlight on one side does not illuminate. | H-LP LH-LO fuse or H-LP RH-LO fuse | - |
| Harness or connector | - | |
| Headlight unit | Refer to REMOVAL [10/2015 - ] | |
| Both left and right low beam headlights do not illuminate. | Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [10/2015 - ] |
| Headlight relay circuit | Refer to Headlight Relay Circuit [10/2015 - ] | |
| Harness or connector | - | |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2012 - ] | |
| High beam flash function does not operate. | Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [10/2015 - ] |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2012 - ] | |
| High beam headlight on one side does not illuminate. | H-LP LH-HI fuse or H-LP RH-HI fuse | - |
| Headlight unit | Refer to REMOVAL [10/2015 - ] | |
| Harness or connector | - | |
| Both left and right high beam headlights do not illuminate. | Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [10/2015 - ] |
| Headlight (High beam) circuit | Refer to Headlight (HI-BEAM) Circuit [10/2015 - ] | |
| Harness or connector | - | |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2012 - ] | |
| Parking lights do not illuminate. | Harness or connector | - |
| Headlight unit | Refer to REMOVAL [10/2015 - ] | |
| Side marker light do not illuminate | Harness or connector | - |
| Side marker light bulb | - |
FRONT FOG LIGHT SYSTEM (W/ FRONT FOG LIGHT)
| Symptom | Suspected Area | Link |
|---|---|---|
| Front fog light does not illuminate (taillight is normal). | FOG FR fuse | - |
| Front fog light bulb | Refer to DISASSEMBLY [10/2015 - ] | |
| Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [10/2015 - ] | |
| Front fog light circuit | Refer to Front Fog Light Circuit [10/2015 - ] | |
| Harness or connector | - | |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2012 - ] |
LICENSE PLATE LIGHT SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| License plate light does not illuminate. | License plate light bulb | Refer to DISASSEMBLY [12/2012 - ] |
| License plate light assembly | Refer to DISASSEMBLY [12/2012 - ] | |
| Harness or connector | - |
TAILLIGHT SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| Taillight and side marker light does not illuminate (rear combination light). | Taillight bulb | Refer to REMOVAL [10/2015 - ] |
| Rear combination light socket and wire sub-assembly | Refer to REMOVAL [10/2015 - ] | |
| Harness or connector | - | |
| Taillight does not illuminate (rear light). | Taillight bulb | Refer to REMOVAL [10/2015 - ] |
| Rear light lens and body | Refer to REMOVAL [10/2015 - ] | |
| Harness or connector | - | |
| All lights do not illuminate | Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [10/2015 - ] |
| Taillight relay circuit | Refer to Taillight Relay Circuit [10/2015 - ] | |
| Harness or connector | - | |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2012 - ] |
STOP LIGHT SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| Stop light on one side does not illuminate. | Stop light bulb | Refer to REMOVAL [10/2015 - ] |
| Rear combination light socket and wire sub-assembly | Refer to REMOVAL [10/2015 - ] | |
| Harness or connector | - | |
| Center stop light does not illuminate. | Center stop light assembly | Refer to REMOVAL [12/2012 - ] |
| Harness or connector | - | |
| All light do not operate. | STOP fuse | - |
| STOP LP relay (for Halogen Headlight) | - | |
| Stop light control ECU assembly (for LED Headlight) | Refer to ON-VEHICLE INSPECTION [10/2015 - ] | |
| Stop light switch assembly | Refer to REMOVAL [12/2012 - ] | |
| Vehicle stability control system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2012 - ] | |
| Harness or connector | - |
BACK-UP LIGHT SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| Back-up light on one side does not illuminate. | Back-up light bulb | Refer to DISASSEMBLY [10/2015 - ] |
| Back light lens and body | Refer to DISASSEMBLY [10/2015 - ] | |
| Harness or connector | - | |
| Both left and right back-up lights do not illuminate. | GAUGE fuse | - |
| Park/neutral position switch assembly (U760E) | Refer to REMOVAL [12/2012 - ] | |
| Park/neutral position switch assembly (U760F) | Refer to REMOVAL [12/2012 - ] | |
| Harness or connector | - |
TURN SIGNAL LIGHT SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| No turn signal lights operate. | Turn signal switch circuit | Refer to Turn Signal Switch Circuit [12/2012 - ] |
| Harness or connector | - | |
| Combination meter assembly | Refer to REMOVAL [12/2012 - ] | |
| One of the turn signal lights does not operate. | Meter/gauge system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2012 - ] |
HAZARD WARNING LIGHT SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| Hazard warning lights do not operate (turn signal lights are normal). | TURN&HAZ fuse | - |
| Hazard warning switch circuit | Refer to Hazard Warning Switch Circuit [12/2012 - ] | |
| Combination meter assembly | Refer to REMOVAL [12/2012 - ] | |
| Harness or connector | - |
AUTOMATIC LIGHT CONTROL SYSTEM (W/ AUTOMATIC LIGHT CONTROL SYSTEM)
| Symptom | Suspected Area | Link |
|---|---|---|
| Automatic light control system does not operate. | Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [10/2015 - ] |
| IG signal circuit | Refer to IG Signal Circuit [12/2012 - ] | |
| Automatic light control sensor | Refer to REMOVAL [12/2012 - ] | |
| Harness or connector | - | |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2012 - ] |
LIGHT AUTO TURN-OFF SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| Light auto turn-off system does not operate. | Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [10/2015 - ] |
| Door courtesy switch circuit | Refer to Door Courtesy Switch Circuit [12/2012 - ] | |
| Back door courtesy switch circuit | Refer to Back Door Courtesy Switch Circuit [10/2015 - ] | |
| IG signal circuit | Refer to IG Signal Circuit [12/2012 - ] | |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2012 - ] |
DAYTIME RUNNING LIGHT SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| Daytime running light does not operate. | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] |
| Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [10/2015 - ] | |
| Parking brake switch circuit | Refer to Parking Brake Switch Circuit [12/2012 - ] | |
| DRL relay circuit | Refer to DRL Relay Circuit [10/2015 - ] | |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2012 - ] |