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.
• The electrical equipment operation may be limited by the load control of electric power control system. Follow the HOW TO PROCEED WITH TROUBLESHOOTING procedures.

  Variable gear ratio steering system 

  VARIABLE GEAR RATIO STEERING SYSTEM PROBLEM SYMPTOMS CHART
  
  

  Symptom	Suspected Area	Refer To
  Steering wheel is off-center	Steering wheel is off-center or deviates from neutral position	STEERING WHEEL IS OFF-CENTER OR DEVIATES FROM NEUTRAL POSITION
  VGRS system stops or does not operate	Only if the following are all normal and the problem is still occurring, replace the steering control ECU	STEERING CONTROL ECU
  	Actuator temperature is abnormal	VGRS SYSTEM STOPS OR DOES NOT OPERATE
  	IG power source circuit	DTC C15C6/77 IG POWER SUPPLY VOLTAGE MALFUNCTION
  	IG or PIG power supply circuit	DTC C15C7/78 DC MOTOR POWER SOURCE VOLTAGE MALFUNCTION; DTC C15C8/79 POWER SUPPLY RELAY FAILURE
  	Power steering system (check steering effort)	HOW TO PROCEED WITH TROUBLESHOOTING
  Steering angle differs between left and right	Steering angle differs between left and right	STEERING ANGLE DIFFERS BETWEEN LEFT AND RIGHT
  Steering wheel vibrates or abnormal noise is heard from steering wheel	Steering wheel vibrates or abnormal noise is heard from steering wheel	STEERING WHEEL VIBRATES OR ABNORMAL NOISE IS HEARD FROM STEERING WHEEL
  Master warning light (VGRS) malfunction	Master warning light circuit	MASTER WARNING LIGHT MALFUNCTION