RM38T0EC _58 Vehicle Interior _112288 LIGHTING (INT) _0510959 LIGHTING SYSTEM T

LIGHTING (INT) LIGHTING SYSTEM PROBLEM SYMPTOMS TABLE

NOTICE:: ·

Before replacing the main body ECU (multiplex network body ECU) or certification ECU (smart key ECU assembly)*1, refer to Service Bulletin.

*1: w/ Smart Entry and Start System

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 relays related to this system before inspecting the suspected areas below.

Map Light
Symptom	Suspected Area	Link
Map light LH or map light RH does not illuminate (Other interior lights are normal)	Map light assembly	202201,999999,_58,_112288,_0501071,RM100000001Z4U5,
Map light LH and map light RH do not illuminate (Other interior lights are normal)	Map light assembly	202201,999999,_58,_112288,_0501071,RM100000001Z4U5,
	Harness or connector	-

Room Light
Symptom	Suspected Area	Link
Room light does not illuminate (Other interior lights are normal)	No. 1 room light assembly	202201,999999,_58,_112288,_0510959,RM1000000020BXX,
	Harness or connector	-

Luggage Compartment Light
Symptom	Suspected Area	Link
Luggage compartment light does not illuminate (Other interior lights are normal)	No. 1 luggage compartment light assembly	202201,999999,_58,_112288,_0501073,RM100000001Z4UB,
	Back door courtesy switch circuit	202201,999999,_58,_112288,_0510959,RM1000000020BXW,
	Harness or connector	-
	Main body ECU (Multiplex network body ECU)	202307,999999,_57,_111968,_0500002,RM100000002BJZO,

Front Door Trim Illumination (w/ Ambient Illumination Light)
Symptom	Suspected Area	Link
Front Door Trim Illumination does not illuminate	Ambient illumination light circuit	202201,999999,_58,_112288,_0510959,RM1000000020BY1,

Center Tray Illumination Light (w/ Ambient Illumination Light)
Symptom	Suspected Area	Link
Center Tray illumination light does not illuminate	Ambient illumination light circuit	202201,999999,_58,_112288,_0510959,RM1000000020BY1,

Interior Light Power Source Control
Symptom	Suspected Area	Link
All the interior lights that receive power via the DOME CUT relay do not illuminate	Interior light auto cut circuit	202201,999999,_58,_112288,_0510959,RM1000000020BXY,

Illuminated Entry System
Symptom	Suspected Area	Link
All illuminated entry system control functions do not operate under any condition	Interior light auto cut circuit	202201,999999,_58,_112288,_0510959,RM1000000020BXY,
	Interior Light Circuit	202201,999999,_58,_112288,_0510959,RM1000000020BXX,
	Main body ECU (Multiplex network body ECU)	202307,999999,_57,_111968,_0500002,RM100000002BJZO,
Actuation area-linked control function does not operate when registered key is brought into any exterior detection area*1	CAN communication system*2	202307,999999,_57,_104409,_0606038,RM100000002C0LC,
	CAN communication system*3	202307,202405,_57,_104409,_0605911,RM100000002C07Y,202405,999999,_57,_104409,_0605911,RM100000002NU3H,
	Smart entry and start system (for Entry Function)*2	202307,999999,_58,_115230,_0606511,RM100000002C244,
	Smart entry and start system (for Entry Function)*3	202307,999999,_58,_115230,_0606491,RM100000002C221,
	Main body ECU (Multiplex network body ECU)	202307,999999,_57,_111968,_0500002,RM100000002BJZO,
Door lock/unlock-linked control function does not operate when doors are locked/unlocked	Check customize settings (Interior Lights ON when Door Unlocked Function)	202201,999999,_58,_112288,_0510959,RM1000000020BXP,
	Door Unlock Detection Switch Circuit	202201,999999,_58,_112288,_0510959,RM1000000020BY0,
	Main body ECU (Multiplex network body ECU)	202307,999999,_57,_111968,_0500002,RM100000002BJZO,
Door open/close-linked control function does not operate when doors are opened/closed	Front door courtesy switch circuit	202201,999999,_58,_112288,_0510959,RM1000000020BXU,
	Rear door courtesy switch circuit	202201,999999,_58,_112288,_0510959,RM1000000020BXV,
	Back door courtesy switch circuit	202201,999999,_58,_112288,_0510959,RM1000000020BXW,
	Main body ECU (Multiplex network body ECU)	202307,999999,_57,_111968,_0500002,RM100000002BJZO,
Push start switch-linked control function does not operate when push start switch is operated*1	Check customize settings (Interior Lights ON when IG OFF Function)	202201,999999,_58,_112288,_0510959,RM1000000020BXP,
	IG signal circuit	202307,999999,_58,_112288,_0510959,RM100000002BZ0T,
	Main body ECU (Multiplex network body ECU)	202307,999999,_57,_111968,_0500002,RM100000002BJZO,
Push start switch illumination does not illuminate*1	CAN communication system*2	202307,999999,_57,_104409,_0606038,RM100000002C0LC,
	CAN communication system*3	202307,202405,_57,_104409,_0605911,RM100000002C07Y,202405,999999,_57,_104409,_0605911,RM100000002NU3H,
	Push Start Switch Illumination Circuit	202307,999999,_58,_112288,_0510959,RM100000002BZ2E,
Shift position-linked control does not operate when shift lever is operated	Check customize settings (Light Control Function)	202201,999999,_58,_112288,_0510959,RM1000000020BXP,
	CAN communication system*2	202307,999999,_57,_104409,_0606038,RM100000002C0LC,
	CAN communication system*3	202307,202405,_57,_104409,_0605911,RM100000002C07Y,202405,999999,_57,_104409,_0605911,RM100000002NU3H,
	Main body ECU (Multiplex network body ECU)	202307,999999,_57,_111968,_0500002,RM100000002BJZO,

*1: w/ Smart Entry and Start System

*2: for HEV Model

*3: for Gasoline Model

Auxiliary Battery Saving Control
Symptom	Suspected Area	Link
Auxiliary battery saving function does not operate	Check illuminated entry system	202201,999999,_58,_112288,_0510959,RM1000000020BXO,
Auxiliary battery saving function does not operate	Main body ECU (Multiplex network body ECU)	202307,999999,_57,_111968,_0500002,RM100000002BJZO,

Instrument Panel Illumination System
Symptom	Suspected Area	Link
No instrument panel illumination lights come on (taillights operate normally).	Instrument Panel Illumination does not Turn On	202307,202405,_58,_112288,_0510959,RM100000002BZ0X,202405,999999,_58,_112288,_0510959,RM100000002O2F8,
	Harness or connector	-