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Problem Symptoms Table

WARNING: This page is about a different variant/trim than selected.

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 (INTERIOR LIGHT CONTROL)

Symptom Suspected Area Refer to
Illuminated entry system does not operate normally. DOME fuse -
Front door courtesy switch circuit Refer to Front Door Courtesy Switch Circuit 
Rear door courtesy switch circuit Refer to Rear Door Courtesy Switch Circuit 
Back door courtesy switch circuit Refer to Back Door Courtesy Switch Circuit 
Door unlock detection switch circuit Refer to Door Unlock Detection Switch Circuit 
IG signal circuit Refer to IG Signal Circuit 
ACC signal circuit Refer to ACC Signal Circuit 
CAN communication system Refer to DIAGNOSIS SYSTEM
Interior light circuit Refer to Interior Light Circuit 
Main body ECU (Multiplex network body ECU) Refer to REMOVAL
Only power switch illumination does not illuminate. Power switch illumination circuit Refer to Power Switch Illumination Circuit 
Certification ECU (Smart key ECU assembly) Refer to REMOVAL
Main body ECU (Multiplex network body ECU) Refer to REMOVAL
Only front interior light does not illuminate. Map light assembly Refer to INSPECTION
Harness or connector -
Only rear interior light does not illuminate. Bulb -
Harness or connector -
Map light assembly Refer to INSPECTION
ILLUMINATED ENTRY SYSTEM (FOOTWELL LIGHT CONTROL)

Symptom Suspected Area Refer to
Only one footwell light does not illuminate. Harness or connector -
Instrument panel junction block assembly Refer to REMOVAL
No. 1 Interior illumination light assembly Refer to INSPECTION
Footwell light control does not operate normally. Front door courtesy switch circuit Refer to Front Door Courtesy Switch Circuit 
Rear door courtesy switch circuit Refer to Rear Door Courtesy Switch Circuit 
Back door courtesy switch circuit Refer to Back Door Courtesy Switch Circuit 
Door unlock detection switch circuit Refer to Door Unlock Detection Switch Circuit 
IG signal circuit Refer to IG Signal Circuit 
ACC signal circuit Refer to ACC Signal Circuit 
Footwell light circuit Refer to Footwell Light Circuit 
Main body ECU (Multiplex network body ECU) Refer to REMOVAL
Footwell light dimmer control does not operate. CAN communication system Refer to DIAGNOSIS SYSTEM
Main body ECU (Multiplex network body ECU) Refer to REMOVAL
BATTERY SAVING CONTROL

Symptom Suspected Area Refer to
Battery saving function does not operate. Front door courtesy switch circuit Refer to Front Door Courtesy Switch Circuit 
Rear door courtesy switch circuit Refer to Rear Door Courtesy Switch Circuit 
Back door courtesy switch circuit Refer to Back Door Courtesy Switch Circuit 
IG signal circuit Refer to IG Signal Circuit 
ACC signal circuit Refer to ACC Signal Circuit 
Main body ECU (Multiplex network body ECU) Refer to REMOVAL
PERSONAL LIGHT

Symptom Suspected Area Refer to
Front personal light does not illuminate. Bulb -
Map light assembly Refer to INSPECTION
Harness or connector -
REAR INTERIOR LIGHT

Symptom Suspected Area Refer to
Rear interior light does not illuminate. Bulb -
Harness or connector -
CENTER CONSOLE SPOT LIGHT

Symptom Suspected Area Refer to
Center console spot light does not illuminate. Map light assembly Refer to INSPECTION
Harness or connector -
VANITY LIGHT

Symptom Suspected Area Refer to
Vanity light does not illuminate. Bulb -
Visor assembly (Vanity light switch) Refer to INSPECTION
Harness or connector -
GLOVE BOX LIGHT

Symptom Suspected Area Refer to
Glove box light does not illuminate. Glove box light assembly Refer to INSPECTION
Harness or connector -
COURTESY LIGHT

Symptom Suspected Area Refer to
Courtesy light does not illuminate. Bulb -
Courtesy light assembly Refer to INSPECTION
Front door courtesy switch circuit Refer to Front Door Courtesy Switch Circuit 
Harness or connector -
Instrument panel junction block assembly Refer to REMOVAL
LUGGAGE COMPARTMENT LIGHT

Symptom Suspected Area Refer to
Luggage compartment light does not illuminate. Bulb -
No. 2 room light assembly Refer to INSPECTION
Back door courtesy switch circuit Refer to Back Door Courtesy Switch Circuit 
Harness or connector -
INSTRUMENT PANEL ILLUMINATION

Symptom Suspected Area Refer to
All of instrument panel illumination lights do not come on. (Taillights operate normally.) PANEL fuse -
Harness or connector -