Problem Symptoms Table

HINT:

• Use the table below to help determine the cause of the problem symptom. 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 fuse and relay related to this system before inspecting the suspected areas below.
• Problem symptoms may occur if the electric power control system's functions malfunction. Follow the HOW TO PROCEED WITH TROUBLESHOOTING  procedures.

  Headlight and taillight system 

  PROBLEM SYMPTOMS CHART - HEADLIGHT AND TAILLIGHT SYSTEM
  
  

  Symptom	Suspected Area	Refer To
  "LO-beam" headlight does not illuminate	LO-beam Headlight does not Illuminate	LO-BEAM HEADLIGHT DOES NOT ILLUMINATE
  "Hl-beam" headlight does not illuminate	HI-beam Headlight does not Illuminate	HI-BEAM HEADLIGHT DOES NOT ILLUMINATE
  "Flash" headlight does not illuminate	Data List (HIGH FLASHER SW)	DATA LIST / ACTIVE TEST
  	Headlight dimmer switch	HEADLIGHT DIMMER SWITCH
  	Harness or connector	-
  	Windshield wiper switch (Combination ECU)	TERMINALS OF ECU
  Headlight is dark (for HID Headlight)	Headlight control ECU	-
  	Discharge headlight bulb	-
  	Harness or connector	-
  Front side marker light does not illuminate	Clearance Light does not Illuminate	CLEARANCE LIGHT DOES NOT ILLUMINATE
  Rear side marker light does not illuminate	Clearance Light does not Illuminate	CLEARANCE LIGHT DOES NOT ILLUMINATE
  Taillight does not illuminate or has abnormal operation	Clearance Light does not Illuminate	CLEARANCE LIGHT DOES NOT ILLUMINATE

  Stop light system 

  PROBLEM SYMPTOMS CHART - STOP LIGHT SYSTEM
  
  

  Symptom	Suspected Area	Refer To
  Stop light system does not illuminate	Stop Light does not Illuminate	STOP LIGHT DOES NOT ILLUMINATE
  High mounted stop light does not illuminate	Stop Light does not Illuminate	STOP LIGHT DOES NOT ILLUMINATE

  Front fog light system 

  PROBLEM SYMPTOMS CHART - FRONT FOG LIGHT SYSTEM
  
  

  Symptom	Suspected Area	Refer To
  Fog light does not illuminate or has abnormal operation	Front Fog Light does not Illuminate	FRONT FOG LIGHT DOES NOT ILLUMINATE

  Turn signal light system 

  PROBLEM SYMPTOMS CHART - TURN SIGNAL LIGHT SYSTEM
  
  

  Symptom	Suspected Area	Refer To
  Turn signal light does not illuminate	Turn Signal Light does not Illuminate	TURN SIGNAL LIGHT DOES NOT ILLUMINATE
  Hazard warning light does not illuminate	Hazard warning signal switch	HAZARD WARNING SWITCH
  	Main body ECU	TERMINALS OF ECU
  	Turn signal flasher assembly	TURN SIGNAL FLASHER ASSEMBLY
  	Harness or connector	-

  Interior light system 

  PROBLEM SYMPTOMS CHART - INTERIOR LIGHT SYSTEM
  
  

  Symptom	Suspected Area	Refer To
  Room light does not illuminate or has abnormal operation	Room Light Control does not Operate	ROOM LIGHT CONTROL DOES NOT OPERATE
  Map light does not illuminate	Map light assembly	-
  Personal light does not illuminate or has abnormal operation	Personal Light does not Illuminate	PERSONAL LIGHT DOES NOT ILLUMINATE
  Console spot light does not illuminate	Map light assembly	-
  Vanity light does not illuminate	Vanity light	-
  	Visor assembly	VANITY LIGHT (FOR FRONT)
  	Harness or connector	-
  Rear vanity light does not illuminate	Rear Vanity Light does not Illuminate	REAR VANITY LIGHT DOES NOT ILLUMINATE
  Inside handle light does not illuminate	Inside Handle Light does not Illuminate	INSIDE HANDLE LIGHT DOES NOT ILLUMINATE
  Door courtesy light does not illuminate	Door Courtesy Light does not Illuminate	DOOR COURTESY LIGHT DOES NOT ILLUMINATE
  Interior foot light does not illuminate	Interior Foot Light does not Illuminate	INTERIOR FOOT LIGHT DOES NOT ILLUMINATE
  Power switch (illumination) does not illuminate	Power switch	INSPECTION
  	Main body ECU	TERMINALS OF ECU
  	Harness or connector	-
  Rear ash tray light does not illuminate	Active test (ASHTRAY LIGHT)	DATA LIST / ACTIVE TEST
  	Bulb	-
  	Rear multiplex network door ECU	TERMINALS OF ECU
  	Main body ECU	TERMINALS OF ECU
  	Harness or connector	-
  Seat inner belt light does not illuminate	Front seat inner belt assembly	INSPECTION
  	Rear seat inner belt assembly	-
  	Rear junction block ECU	TERMINALS OF ECU
  	Main body ECU	TERMINALS OF ECU
  	Harness or connector	-
  Luggage room light does not illuminate	Luggage Room Light does not Illuminate	LUGGAGE ROOM LIGHT DOES NOT ILLUMINATE

  Automatic light control system 

  PROBLEM SYMPTOMS CHART - AUTOMATIC LIGHT CONTROL SYSTEM
  
  

  Symptom	Suspected Area	Refer To
  Automatic light control function does not operate	Automatic Light Control Function does not Operate	AUTOMATIC LIGHT CONTROL FUNCTION DOES NOT OPERATE

  Light auto turn off system 

  PROBLEM SYMPTOMS CHART - LIGHT AUTO TURN OFF SYSTEM
  
  

  Symptom	Suspected Area	Refer To
  Light auto turn off system does not operate normally	Main body ECU	-

  Battery saving system 

  PROBLEM SYMPTOMS CHART - BATTERY SAVING SYSTEM
  
  

  Symptom	Suspected Area	Refer To
  Battery saving function does not operate	Operation check	OPERATION CHECK
  	Main body ECU	-
  	Map light assembly	-
  	Rear junction block ECU	-
  	Harness or connector	-

  AFS 

  PROBLEM SYMPTOMS CHART - AFS
  
  

  Symptom	Suspected Area	Refer To
  AFS OFF switch does not operate	Outer mirror switch	-
  	AFS ECU	-
  	CAN communication system	CAN COMMUNICATION SYSTEM

  Daytime running light system 

  PROBLEM SYMPTOMS CHART - DAYTIME RUNNING LIGHT SYSTEM
  
  

  Symptom	Suspected Area	Refer To
  Daytime running light system does not operate	No 1 headlight bulb	-
  	Headlight dimmer switch	-
  	Parking brake switch	-
  	Multiplex network front light ECU (Front controller)	-
  	Main body ECU	-
  	Harness or connector	-
  	CAN communication system	CAN COMMUNICATION SYSTEM

  Other 

  PROBLEM SYMPTOMS CHART - OTHER
  
  

  Symptom	Suspected Area	Refer To
  Back-up light does not illuminate	Back-up light does not Illuminate	BACK-UP LIGHT DOES NOT ILLUMINATE
  Clearance light does not illuminate	Clearance light does not Illuminate	CLEARANCE LIGHT DOES NOT ILLUMINATE
  License plate light does not illuminate	Clearance light does not Illuminate	CLEARANCE LIGHT DOES NOT ILLUMINATE
  Door mirror foot light does not illuminate	Door mirror foot light does not Illuminate	DOOR MIRROR FOOT LIGHT DOES NOT ILLUMINATE