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.
• Problem symptoms may occur if the electric power control system's functions malfunction. Follow the HOW TO PROCEED WITH TROUBLESHOOTING procedures.
• Inspect the fuses and relays related to the system before inspecting the suspected areas below.

  LIN communication system 

  LIN COMMUNICATION SYSTEM
  
  

  Symptom	Suspected Area	See
  Rain Sensor LIN Communication Malfunction	Lin communication line	RAIN SENSOR LIN COMMUNICATION MALFUNCTION
  	Rain sensor	RAIN SENSOR LIN COMMUNICATION MALFUNCTION
  	Front light ECU (front controller)	RAIN SENSOR LIN COMMUNICATION MALFUNCTION
  	Wire harness	RAIN SENSOR LIN COMMUNICATION MALFUNCTION
  Rear Heater Control Panel LIN Communication Malfunction	Lin communication line	RAIN SENSOR LIN COMMUNICATION MALFUNCTION
  	Rear power seat module switch	REAR HEATER CONTROL PANEL LIN COMMUNICATION MALFUNCTION
  	Air conditioning amplifier	REAR HEATER CONTROL PANEL LIN COMMUNICATION MALFUNCTION
  	Wire harness	REAR HEATER CONTROL PANEL LIN COMMUNICATION MALFUNCTION
  Seat Vibration System LIN Communication Malfunction	Lin communication line	REAR HEATER CONTROL PANEL LIN COMMUNICATION MALFUNCTION
  	Seat vibrator switch	SEAT VIBRATION SYSTEM LIN COMMUNICATION MALFUNCTION
  	Seat vibrator module	SEAT VIBRATION SYSTEM LIN COMMUNICATION MALFUNCTION
  	Wire harness	SEAT VIBRATION SYSTEM LIN COMMUNICATION MALFUNCTION
  Driver Side Switch Module LIN Communication Malfunction	LIN communication line	SEAT VIBRATION SYSTEM LIN COMMUNICATION MALFUNCTION
  	Outer mirror switch	DRIVER SIDE SWITCH MODULE LIN COMMUNICATION MALFUNCTION
  	No. 1 console switch	DRIVER SIDE SWITCH MODULE LIN COMMUNICATION MALFUNCTION
  	Front seat climate control ECU LH	DRIVER SIDE SWITCH MODULE LIN COMMUNICATION MALFUNCTION
  	Front seat climate control ECU RH	DRIVER SIDE SWITCH MODULE LIN COMMUNICATION MALFUNCTION
  	Wire harness	DRIVER SIDE SWITCH MODULE LIN COMMUNICATION MALFUNCTION
  Rear Side Switch Module LIN Communication Malfunction	Lin communication line	REAR SIDE SWITCH MODULE LIN COMMUNICATION MALFUNCTION
  	Rear power seat module switch	REAR SIDE SWITCH MODULE LIN COMMUNICATION MALFUNCTION
  	Position control ECU LH	REAR SIDE SWITCH MODULE LIN COMMUNICATION MALFUNCTION
  	Position control ECU RH	REAR SIDE SWITCH MODULE LIN COMMUNICATION MALFUNCTION
  	Rear seat climate control ECU LH	REAR SIDE SWITCH MODULE LIN COMMUNICATION MALFUNCTION
  	Rear seat climate control ECU RH	REAR SIDE SWITCH MODULE LIN COMMUNICATION MALFUNCTION
  	Wire harness	REAR SIDE SWITCH MODULE LIN COMMUNICATION MALFUNCTION