STEERING COLUMN  STEERING SYSTEM  PROBLEM SYMPTOMS TABLE  

HINT:

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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.

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

Steering System

Symptom	Suspected Area	Link
Heavy steering	Front tires (improperly inflated, unevenly worn)	202304,999999,_53,_080781,_0392688,RM100000002B8QX,
	Front wheel alignment (incorrect)	202307,999999,_53,_080763,_0392675,RM100000002CWH8,
	Front suspension (Lower ball joint)	201906,999999,_53,_080764,_0392684,RM100000001HS17,
	Steering gear assembly	202307,999999,_55,_080765,_0392687,RM100000002CQYW,
	Battery and power source circuit	202304,999999,_57,_080757,_0393175,RM1000000029OKZ,*1 201906,999999,_57,_080760,_0394911,RM100000001I8RV,*2 202304,999999,_57,_096203,_0456239,RM100000002BXYP,*7 202304,999999,_57,_096213,_0456240,RM100000002BXYQ,*8 202304,999999,_57,_101152,_0469400,RM100000002BXYR,*9 202304,999999,_57,_105194,_0486032,RM100000002BXYS,*10 202304,999999,_57,_101161,_0478231,RM100000002BXYT,*11 202307,999999,_57,_146903,_0617631,RM100000002D1FU,*12
	Power source voltage of power steering ECU assembly	202307,999999,_55,_080761,_0392075,RM100000002CRCK,*3 202304,999999,_55,_080761,_0392052,RM100000002B8PR,*4
	Power steering ECU with motor assembly	202304,202502,_55,_080761,_0391587,RM100000002BCSS,202502,999999,_55,_080761,_0391587,RM100000002Q02C,
	Vehicle condition (Steering wheel is turned from left to right repeatedly with vehicle stopped or heavy load is continuously applied to vehicle)	202304,999999,_55,_080761,_0392075,RM100000002B8OK,*3 202304,999999,_55,_080761,_0392052,RM100000002B8Q1,*4
Steering effort differs between right and left or is uneven	Rotation angle sensor initialization and torque sensor zero point calibration incomplete	202307,999999,_55,_080761,_0392075,RM100000002CNVO,*3 202304,999999,_55,_080761,_0392052,RM100000002B8PZ,*4
	Front tires (improperly inflated, unevenly worn)	202304,999999,_53,_080781,_0392688,RM100000002B8QX,
	Front wheel alignment (incorrect)	202307,999999,_53,_080763,_0392675,RM100000002CWH8,
	Front suspension (Lower ball joint)	201906,999999,_53,_080764,_0392684,RM100000001HS17,
	Steering gear assembly	202307,999999,_55,_080765,_0392687,RM100000002CQYW,
	Torque sensor (Electric power steering column sub-assembly)	202304,999999,_55,_080762,_0391589,RM100000002BCU5,
	Electric power steering column sub-assembly	202304,999999,_55,_080762,_0391589,RM100000002BCU5,
	Power steering ECU with motor assembly	202304,202502,_55,_080761,_0391587,RM100000002BCSS,202502,999999,_55,_080761,_0391587,RM100000002Q02C,
While driving, steering effort does not change in accordance with vehicle speed, or steering wheel does not return to its centered position easily	Skid control ECU assembly	202304,999999,_54,_080770,_0392591,RM100000002B673,*3 202304,999999,_54,_080770,_0599814,RM100000002BA8H,*5 202304,999999,_54,_080770,_0599811,RM100000002B9YS,*6
	Speed sensor	202304,999999,_54,_080770,_0392591,RM100000002B670,*3 202304,999999,_54,_080770,_0599814,RM100000002BA8E,*5 202304,999999,_54,_080770,_0599811,RM100000002B9YL,*6
	Torque sensor (Electric power steering column sub-assembly)	202304,999999,_55,_080762,_0391589,RM100000002BCU5,
	Power steering ECU with motor assembly	202304,202502,_55,_080761,_0391587,RM100000002BCSS,202502,999999,_55,_080761,_0391587,RM100000002Q02C,
	CAN communication system	202304,999999,_57,_080743,_0392424,RM100000002BB1R,*3 202304,999999,_57,_080743,_0598517,RM100000002B6UW,*5 202304,999999,_57,_080743,_0598531,RM100000002BFV9,*6
Friction sounds occur when turning steering wheel during low speed driving	Power steering motor (Power steering ECU with motor assembly)	202304,202502,_55,_080761,_0391587,RM100000002BCSS,202502,999999,_55,_080761,_0391587,RM100000002Q02C,
	Electric power steering column sub-assembly	202304,999999,_55,_080762,_0391589,RM100000002BCU5,
	Spiral cable with sensor sub-assembly	202304,999999,_58,_080741,_0392903,RM100000002B7U0,
	Steering column cover contacting steering wheel assembly	202304,999999,_55,_080762,_0391589,RM100000002BCU7,
High-pitched sound (squeaking) occurs when turning steering wheel slowly with vehicle stopped	Power steering motor (Power steering ECU with motor assembly)	202304,202502,_55,_080761,_0391587,RM100000002BCSS,202502,999999,_55,_080761,_0391587,RM100000002Q02C,
	Steering wheel installation (incorrect)	202307,999999,_55,_080762,_0391590,RM100000002DAHJ,
Steering wheel vibrates and noise occurs when turning steering wheel from lock to lock	Power steering motor (Power steering ECU with motor assembly)	202304,202502,_55,_080761,_0391587,RM100000002BCSS,202502,999999,_55,_080761,_0391587,RM100000002Q02C,
	Electric power steering column sub-assembly	202304,999999,_55,_080762,_0391589,RM100000002BCU5,
	Steering wheel installation (incorrect)	202307,999999,_55,_080762,_0391590,RM100000002DAHJ,

*1: for 8ZR-FXE

*2: for NR Series

*3: for HV Model

*4: for Gasoline Model

*5: for Gasoline Model (NR Series)

*6: for Gasoline Model (except NR Series)

*7: for M15B-FKS

*8: for M15C-FKS

*9: for M20A-FKS

*10: for M20C-FKS

*11: for M20E-FKS

*12: for M20F-FXS, M20G-FXS