| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001WD5B |
| Model Year Start: 2021 | Model: RAV4 | Prod Date Range: [08/2020 - 12/2021] |
| Title: LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): PROBLEM SYMPTOMS TABLE; 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021] | ||
PROBLEM SYMPTOMS TABLE
NOTICE:
- Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
-
If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.
Click here
![2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): INITIALIZATION](/t3Portal/stylegraphics/info.gif)
- When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
Headlight
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Left low beam headlight does not illuminate |
Headlight unit assembly LH |
|
|
Headlight ECU sub-assembly LH |
|
|
|
Right low beam headlight does not illuminate |
Headlight unit assembly RH |
|
|
Headlight ECU sub-assembly RH |
|
|
|
Both left and right low beam headlights do not illuminate |
Headlight dimmer switch circuit |
|
|
Main body ECU (multiplex network body ECU) |
|
|
|
Left high beam headlight does not illuminate |
High beam headlight circuit |
|
|
Headlight ECU sub-assembly LH |
|
|
|
Right high beam headlight does not illuminate |
High beam headlight circuit |
|
|
Headlight ECU sub-assembly RH |
|
|
|
Both left and right high beam headlights do not illuminate |
Headlight dimmer switch circuit |
|
|
Main body ECU (multiplex network body ECU) |
|
|
|
High Flash (passing function) does not operate (high beam headlights are normal) |
Headlight dimmer switch circuit |
|
|
Main body ECU (multiplex network body ECU) |
|
|
|
Left low beam headlight and high beam headlight do not illuminate |
Headlight unit assembly LH |
|
|
Headlight ECU sub-assembly LH |
|
|
|
Right low beam headlight and high beam headlight do not illuminate |
Headlight unit assembly RH |
|
|
Headlight ECU sub-assembly RH |
|
|
|
Left low beam headlight and high beam headlight flicker |
Headlight ECU sub-assembly LH |
|
|
Right low beam headlight and high beam headlight flicker |
Headlight ECU sub-assembly RH |
|
Parking Light/Daytime Running Light
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Left parking light/daytime running light does not illuminate |
Parking light/daytime running light circuit |
|
|
Headlight ECU sub-assembly LH |
|
|
|
Right parking light/daytime running light does not illuminate |
Parking light/daytime running light circuit |
|
|
Headlight ECU sub-assembly RH |
|
|
|
Both left and right parking lights do not illuminate |
Headlight dimmer switch circuit |
|
|
Main body ECU (multiplex network body ECU) |
|
|
|
Both left and right daytime running lights do not illuminate |
Check customize settings |
|
|
Headlight dimmer switch circuit |
|
|
|
Main body ECU (multiplex network body ECU) |
|
|
|
Left parking light/daytime running light flicker |
Headlight ECU sub-assembly LH |
|
|
Right parking light/daytime running light flicker |
Headlight ECU sub-assembly RH |
|
Front Side Marker Light
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Left front side marker light does not illuminate |
Front side marker light circuit |
|
|
Headlight ECU sub-assembly LH |
|
|
|
Right front side marker light does not illuminate |
Front side marker light circuit |
|
|
Headlight ECU sub-assembly RH |
|
|
|
Both left and right front side marker lights do not illuminate |
Headlight dimmer switch circuit |
|
|
Main body ECU (Multiplex network body ECU) |
|
|
|
Left front side marker light flicker |
Headlight ECU sub-assembly LH |
|
|
Right front side marker light flicker |
Headlight ECU sub-assembly RH |
|
Taillight
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Left or right taillight (rear combination light assembly) does not illuminate |
Rear combination light LED |
|
|
Rear combination light socket and wire |
|
|
|
Harness or connector |
- |
|
|
Left or right taillight (rear light assembly) does not illuminate |
Rear light LED |
|
|
Rear light socket and wire |
|
|
|
Harness or connector |
- |
|
|
All of the taillights and license plate lights do not illuminate |
Headlight dimmer switch circuit |
|
|
Taillight relay circuit |
|
|
|
Main body ECU (multiplex network body ECU) |
|
License Plate Light
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
License plate light does not illuminate |
License plate light assembly |
|
|
Harness or connector |
- |
Stop Light
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Left or right stop light does not illuminate |
Stop light LED |
|
|
Rear combination light LED |
|
|
|
Rear combination light socket and wire |
|
|
|
Harness or connector |
- |
|
|
All of the stop lights do not illuminate |
STOP fuse |
- |
|
Stop light switch assembly |
|
|
|
Harness or connector |
- |
High Mounted Stop Light
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
High mounted stop light does not illuminate |
Center stop light assembly |
|
|
Center stop light cord assembly |
|
|
|
Harness or connector |
- |
Back-up Light
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Left or right back-up light does not illuminate |
Back up light bulb |
|
|
Rear light socket and wire |
|
|
|
Harness or connector |
- |
|
|
Both left and right back-up lights do not illuminate |
Back-up light circuit |
|
Turn Signal Light
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Left or right front turn signal light does not operate |
Front turn signal light bulb |
|
|
Bulb socket (Front turn signal light socket) |
|
|
|
Headlight unit assembly |
|
|
|
Headlight ECU sub-assembly |
|
|
|
Harness or connector |
- |
|
|
Left or right side turn signal light does not operate |
Side turn signal light assembly |
|
|
Outer rear view mirror assembly |
|
|
|
Harness or connector |
- |
|
|
Left or right rear turn signal light does not operate |
Rear turn signal light bulb |
|
|
Rear combination socket and wire |
|
|
|
Harness or connector |
- |
|
|
Turn signal lights do not operate in one direction |
Meter/gauge system |
|
|
Turn signal switch circuit |
|
|
|
All turn signal lights do not operate |
Turn signal switch circuit |
|
|
Combination meter assembly |
|
|
|
All turn signal lights do not flash at the correct speed |
Combination meter assembly |
|
Front Fog Light
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Left or right front fog light does not illuminate (for Bulb Type) |
Fog light bulb |
|
|
Harness or connector |
- |
|
|
Left or right front fog light does not illuminate (for LED Type) |
Fog light assembly |
|
|
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) |
|
Hazard Warning Signal Light
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Hazard warning signal lights do not operate |
Hazard warning switch circuit |
|
|
Combination meter assembly |
|
Automatic Light Control System
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Automatic light control system does not operate |
Headlight dimmer switch circuit |
|
|
Main body ECU (multiplex network body ECU) |
|
Light Auto Turn-off System
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Light auto turn-off system does not operate |
Headlight dimmer switch circuit |
|
|
IG signal circuit |
|
|
|
Front door courtesy switch circuit |
|
|
|
Main body ECU (multiplex network body ECU) |
|
Wiper-linked Low Beam Headlight Control System
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Wiper-linked low beam headlight control system does not operate |
Check customize settings |
|
|
Main body ECU (Multiplex network body ECU) |
|
Door Mirror Foot Light Control
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
All of the door mirror foot lights do not illuminate |
Power door lock control system |
|
|
Wireless door lock control system |
|
|
|
Smart key system (for Entry Function) |
|
|
|
Door unlock detection switch circuit |
|
|
|
Harness or connector |
- |
|
|
Main body ECU (multiplex network body ECU) |
|
|
|
Left or right door mirror foot light does not illuminate |
Outer mirror light bulb |
|
|
Outer rear view mirror assembly |
|
|
|
Harness or connector |
- |
Automatic Headlight Beam Level Control System
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
Automatic headlight beam level control system does not operate (Left Headlight) |
Headlight unit assembly LH |
|
|
Headlight ECU sub-assembly LH |
|
|
|
Automatic headlight beam level control system does not operate (Right Headlight) |
Headlight unit assembly RH |
|
|
Headlight ECU sub-assembly RH |
|
|
|
Both left and right automatic headlight beam level control system does not operate |
Headlight ECU sub-assembly LH |
|
|
Initialization cannot be performed |
CAN communication system |
|
|
Headlight ECU sub-assembly LH |
|
AFS
|
Symptom |
Suspected Area |
Link |
|---|---|---|
|
AFS control does not operate (Left Headlight) |
Headlight unit assembly LH |
|
|
Headlight ECU sub-assembly LH |
|
|
|
AFS control does not operate (Right Headlight) |
Headlight unit assembly RH |
|
|
Headlight ECU sub-assembly RH |
|
|
|