LIGHTING (INT)  LIGHTING SYSTEM  PROBLEM SYMPTOMS TABLE  


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.


Illuminated Entry System
Symptom Suspected Area Link
Illuminated entry system does not operate normally DOME fuse -
IG signal circuit Click here
ACC signal circuit Click here
Front door courtesy switch circuit Click here
Rear door courtesy switch circuit Click here
Luggage compartment door courtesy switch circuit Click here
Door unlock detection switch circuit*1 Click here
Interior light circuit Click here
Main body ECU (Multiplex network body ECU) Click here
Only engine switch illumination does not illuminate*2 Engine switch illumination circuit Click here
Certification ECU (Smart key ECU assembly) -
Only transponder key coil does not illuminate*3 Interior light circuit Click here
Main body ECU (Multiplex network body ECU) Click here
Only room light does not illuminate Interior light circuit Click here
Main body ECU (Multiplex network body ECU) Click here

*1: w/ Wireless Door Lock Control System

*2: w/ Smart Entry and Start System

*3: w/o Smart Entry and Start System


Battery Saving Control
Symptom Suspected Area Link
Battery saving function does not operate IG signal circuit Click here
ACC signal circuit Click here
Front door courtesy switch circuit Click here
Rear door courtesy switch circuit Click here
Luggage compartment door courtesy switch circuit Click here
Door unlock detection switch circuit* Click here
Interior light auto cut circuit Click here
Main body ECU (Multiplex network body ECU) Click here

*: w/ Wireless Door Lock Control System


Interior Light Power Source Control
Symptom Suspected Area Link
All the interior lights that receive power via the light cut relay do not illuminate Interior light auto cut circuit Click here
Main body ECU (Multiplex network body ECU) Click here

Personal Light
Symptom Suspected Area Link
Personal light LH does not illuminate Bulb -
Map light assembly Click here
Harness or connector -
Personal light RH does not illuminate Bulb -
Map light assembly Click here
Harness or connector -

Room Light (for Slide Switch Type)
Symptom Suspected Area Link
Room light does not illuminate Bulb -
Harness or connector (Including all light components that are part of the wire harness) -

Room Light (for Push Switch Type)
Symptom Suspected Area Link
Room light LH does not illuminate Bulb -
No. 2 room light assembly Click here
Harness or connector -
Room light RH does not illuminate Bulb -
No. 2 room light assembly Click here
Harness or connector -

Vanity Light (w/ Vanity Light)
Symptom Suspected Area Link
Vanity light LH does not illuminate Bulb -
Vanity light assembly LH Click here
Harness or connector -
Vanity light RH does not illuminate Bulb -
Vanity light assembly RH Click here
Harness or connector -

Luggage Compartment Light
Symptom Suspected Area Link
Luggage compartment room light does not illuminate Bulb -
Luggage compartment door courtesy switch circuit Click here

Instrument Panel Illumination
Symptom Suspected Area Link
All the instrument panel illumination lights do not come on (The taillights illuminate) PANEL fuse -
Instrument panel junction block assembly Click here
Harness or connector -