PROBLEM SYMPTOMS TABLE
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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 Symptom | Suspected Area | Link |
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Left low beam headlight does not illuminate | Headlight ECU sub-assembly LH |
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Headlight unit assembly LH*1 |
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Headlight unit assembly LH*2 |
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Headlight assembly LH*3 |
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Right low beam headlight does not illuminate | Headlight ECU sub-assembly RH |
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Headlight unit assembly RH*1 |
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Headlight unit assembly RH*2 |
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Headlight assembly RH*3 |
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Both left and right low beam headlights do not illuminate | Headlight dimmer switch circuit |
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Main body ECU (Multiplex network body ECU) |
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Left high beam headlight does not illuminate | High beam headlight circuit |
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Headlight ECU sub-assembly LH |
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Right high beam headlight does not illuminate | High beam headlight circuit |
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Headlight ECU sub-assembly RH |
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Both left and right high beam headlights do not illuminate | Headlight dimmer switch circuit |
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Main body ECU (Multiplex network body ECU) |
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High Flash (passing function) does not operate (high beam headlights are normal) | Headlight dimmer switch circuit |
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Main body ECU (Multiplex network body ECU) |
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Left low beam headlight and high beam headlight do not illuminate | Headlight ECU sub-assembly LH |
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Right low beam headlight and high beam headlight do not illuminate | Headlight ECU sub-assembly RH |
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Left low beam headlight and high beam headlight flicker | Headlight ECU sub-assembly LH |
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Right low beam headlight and high beam headlight flicker | Headlight ECU sub-assembly RH |
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Symptom | Suspected Area | Link |
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Left parking light/daytime running light does not illuminate | Parking light/daytime running light circuit |
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Headlight ECU sub-assembly LH |
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Right parking light/daytime running light does not illuminate | Parking light/daytime running light circuit |
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Headlight ECU sub-assembly RH |
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Both left and right parking lights do not illuminate | Headlight dimmer switch circuit |
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Main body ECU (Multiplex network body ECU) |
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Both left and right daytime running lights do not illuminate | Check customize settings |
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Headlight dimmer switch circuit |
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Main body ECU (Multiplex network body ECU) |
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Left parking light/daytime running light flicker | Headlight ECU sub-assembly LH |
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Right parking light/daytime running light flicker | Headlight ECU sub-assembly RH |
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Symptom | Suspected Area | Link |
---|---|---|
Left cornering light does not illuminate | Check operating conditions |
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Cornering light circuit |
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Headlight ECU sub-assembly LH |
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Right cornering light does not illuminate | Check operating conditions |
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Cornering light circuit |
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Headlight ECU sub-assembly RH |
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Left cornering light flicker | Headlight ECU sub-assembly LH |
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Right cornering light flicker | Headlight ECU sub-assembly RH |
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Symptom | Suspected Area | Link |
---|---|---|
Left front side marker light does not illuminate | Front side marker light circuit |
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Headlight ECU sub-assembly LH |
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Right front side marker light does not illuminate | Front side marker light circuit |
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Headlight ECU sub-assembly RH |
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Both left and right front side marker lights do not illuminate | Headlight dimmer switch circuit |
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Main body ECU (Multiplex network body ECU) |
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Left front side marker light flicker | Headlight ECU sub-assembly LH |
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Right front side marker light flicker | Headlight ECU sub-assembly RH |
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Symptom | Suspected Area | Link |
---|---|---|
Left or right taillight (rear combination light assembly) does not illuminate | Rear combination light lens and body*1 |
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Rear combination light assembly*2 |
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Harness or connector | - | |
Left or right taillight (rear light assembly) does not illuminate | Rear light assembly |
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Harness or connector | - | |
All of the taillights, license plate lights and rear side marker lights do not illuminate | Headlight dimmer switch circuit |
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Taillight relay circuit |
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Main body ECU (Multiplex network body ECU) |
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Symptom | Suspected Area | Link |
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Left or right rear side marker light does not illuminate | Rear combination light lens and body*1 |
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Rear combination light assembly*2 |
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Symptom | Suspected Area | Link |
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License plate light does not illuminate | License plate light assembly |
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Harness or connector | - |
Symptom | Suspected Area | Link |
---|---|---|
Left or right stop light (rear combination light assembly) does not illuminate | Rear combination light lens and body*1 |
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Rear combination light assembly*2 |
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Harness or connector | - | |
Left or right stop light (rear light assembly) does not illuminate | Rear light assembly |
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Harness or connector | - | |
All of the stop lights do not illuminate | STOP fuse | - |
Stop light switch assembly |
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Harness or connector | - |
Symptom | Suspected Area | Link |
---|---|---|
High mounted stop light does not illuminate | Center stop light set |
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Harness or connector | - |
Symptom | Suspected Area | Link |
---|---|---|
Left or right back-up light does not illuminate | Rear light assembly |
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Harness or connector | - | |
Both left and right back-up lights do not illuminate | Back-up light circuit |
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Symptom | Suspected Area | Link |
---|---|---|
Left or right front turn signal light does not operate*1 | Headlight ECU sub-assembly |
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Headlight unit assembly |
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Harness or connector | - | |
Left or right front turn signal light does not operate*2 | Front turn signal light bulb |
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Headlight cord |
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Headlight ECU sub-assembly |
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Headlight unit assembly*3 |
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Headlight assembly*4 |
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Harness or connector | - | |
Left or right rear turn signal light does not operate | Rear combination light lens and body*3 |
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Rear combination light assembly*4 |
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Harness or connector | - | |
Left or right side turn signal light does not operate | Side turn signal light assembly |
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Outer rear view mirror assembly |
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Outer mirror control ECU assembly*5 |
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Harness or connector | - | |
Turn signal lights do not operate in one direction | Turn signal switch circuit |
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Meter/gauge system |
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All turn signal lights do not operate | Turn signal switch circuit |
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Combination meter assembly |
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All turn signal lights do not flash at the correct speed | Combination meter assembly |
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Symptom | Suspected Area | Link |
---|---|---|
Hazard warning signal lights do not operate | Hazard warning switch circuit |
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Combination meter assembly |
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Hazard warning signal switch do not flash | Harness or connector | - |
Hazard warning switch assembly |
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Combination meter assembly |
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Symptom | Suspected Area | Link |
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Automatic light control system does not operate | Headlight dimmer switch circuit |
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Main body ECU (Multiplex network body ECU) |
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Symptom | Suspected Area | Link |
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Light auto turn-off system does not operate | Headlight dimmer switch circuit |
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IG signal circuit |
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Front door courtesy switch circuit |
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Main body ECU (Multiplex network body ECU) |
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Symptom | Suspected Area | Link |
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Lights do not operate using remote operation function (Lighting system is normal) | Telematics system |
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Symptom | Suspected Area | Link |
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Wiper-linked low beam headlight control system does not operate | Check customize settings |
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Main body ECU (Multiplex network body ECU) |
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Symptom | Suspected Area | Link |
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All of the outside handle foot lights do not illuminate | Check customize settings |
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Power door lock control system |
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Wireless door lock control system |
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Smart access system with push-button start (for entry function) |
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Door unlock detection switch circuit |
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Outside handle foot light circuit |
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Main body ECU (Multiplex network body ECU) |
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Left or right outside handle foot light does not illuminate | Front door outside handle assembly |
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Rear door outside handle assembly |
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Harness or connector | - |
Symptom | Suspected Area | Link |
---|---|---|
Welcome light illumination control does not operate | Check customize settings |
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Main body ECU (Multiplex network body ECU) |
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Symptom | Suspected Area | Link |
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Automatic headlight beam level control system does not operate (Left Headlight) | Headlight ECU sub-assembly LH |
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Headlight unit assembly LH |
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Automatic headlight beam level control system does not operate (Right Headlight) | Headlight ECU sub-assembly RH |
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Headlight unit assembly RH |
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Initialization cannot be performed | CAN communication system |
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Headlight ECU sub-assembly LH |
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Symptom | Suspected Area | Link |
---|---|---|
AFS control does not operate (Left Headlight) | Headlight ECU sub-assembly LH |
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Headlight unit assembly LH |
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AFS control does not operate (Right Headlight) | Headlight ECU sub-assembly RH |
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Headlight unit assembly RH |
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Symptom | Suspected Area | Link |
---|---|---|
Automatic high beam system does not operate or automatic high beam indicator does not illuminate (low beam headlights and high beam headlights are normal) | Front radar sensor system |
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Check Data List (Front Recognition Camera High Temperature 2) | ||
Check automatic high beam indicator light | ||
Check Data List (Auto H Beam STS0) | ||
Perform Active Test (Multi Display All (White)) | ||
Turn signal switch (Automatic high beam switch) | ||
Steering wheel switch housing | ||
Steering sensor | ||
Combination meter assembly | ||
Forward recognition camera | ||
Main body ECU (Multiplex network body ECU) | ||
Automatic high beam switch indicator does not come ON | Refer to "Automatic High Beam Switch Indicator does not Come ON" |
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