Problem Symptoms Table

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.
  Fig 1: Identifying 4WD Warning Light

  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  PROBLEM SYMPTOMS
  
  

  Symptom	Suspected Area	See page
  Phenomenon of tight-corner braking*	Linear solenoid circuit	DTC C1298/98 LINEAR SOLENOID CIRCUIT
  	4WD control ECU	-
  4WD warning light remains on	4WD warning light circuit	4WD WARNING LIGHT REMAINS ON
  4WD warning light does not come on	4WD warning light circuit	4WD WARNING LIGHT DOES NOT COME ON
  The system is in the DTC output mode although terminals TC and CG of the DLC3	TC and CG terminal circuit	TC AND CG TERMINAL CIRCUIT
  	4WD warning light circuit	-
  The system is not in the DTC output mode although terminals TC and CG of the DLC3	TC and CG terminal circuit	TC AND CG TERMINAL CIRCUIT
  	4WD warning light circuit	-
  HINT: *: When driving 4WD mode, the vehicle is hard to turn, as if the brakes were applied, due to the rotational difference between the front and rear tires while turning.