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Problem Symptoms Table [12/2017 - 10/2020]

POWER STEERING SYSTEM

Symptom Suspected Area Link
Heavy steering Front tires (improperly inflated, unevenly worn) Refer to INSPECTION [12/2017 - 10/2020]
Front wheel alignment (incorrect) (for 2WD) Refer to ADJUSTMENT [12/2017 - 09/2018] , or refer to ADJUSTMENT [09/2018 - 10/2020]
Front wheel alignment (incorrect) (for AWD) Refer to ADJUSTMENT [12/2017 - 09/2018] , or refer to ADJUSTMENT [09/2018 - 10/2020]
Front suspension (Lower Suspension Arm) (for 2WD) Refer to ON-VEHICLE INSPECTION [12/2017 - ]
Front suspension (Lower Suspension Arm) (for AWD) Refer to ON-VEHICLE INSPECTION [12/2017 - ]
Front suspension (Lower ball joint) (for AWD) Refer to INSPECTION [12/2017 - ]
Rack and pinion power steering gear assembly (for 2WD) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Torque sensor (Rack and pinion power steering gear assembly) (for 2WD)
Power steering motor (Rack and pinion power steering gear assembly) (for 2WD)
Rack and pinion power steering gear assembly (for AWD) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Torque sensor (Rack and pinion power steering gear assembly) (for AWD)
Power steering motor (Rack and pinion power steering gear assembly) (for AWD)
Steering column assembly Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 09/2019] , or refer to REMOVAL [09/2019 - 10/2020]
Battery and power source circuit Refer to ON-VEHICLE INSPECTION [12/2017 - 10/2020]
Power source voltage of power steering ECU (Rack and pinion power steering gear assembly) Refer to TERMINALS OF ECU [12/2017 - 10/2023] 
CAN communication system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 09/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020]
Vehicle condition (Steering wheel is turned from left to right repeatedly with vehicle stopped or heavy load is continuously applied to vehicle) Refer to DATA LIST / ACTIVE TEST [12/2017 - 10/2023] 
Steering effort differs between right and left or is uneven Rotation angle sensor initialization and torque sensor zero point calibration incomplete Refer to CALIBRATION [12/2017 - 10/2023] 
Front tires (improperly inflated, unevenly worn) Refer to INSPECTION [12/2017 - 10/2020]
Front wheel alignment (incorrect) (for 2WD) Refer to ADJUSTMENT [12/2017 - 09/2018] , or refer to ADJUSTMENT [09/2018 - 10/2020]
Front wheel alignment (incorrect) (for AWD) Refer to ADJUSTMENT [12/2017 - 09/2018] , or refer to ADJUSTMENT [09/2018 - 10/2020]
Front suspension (Lower Suspension Arm) (for 2WD) Refer to ON-VEHICLE INSPECTION [12/2017 - ]
Front suspension (Lower Suspension Arm) (for AWD) Refer to ON-VEHICLE INSPECTION [12/2017 - ]
Front suspension (Lower ball joint) (for AWD) Refer to INSPECTION [12/2017 - ]
Rack and pinion power steering gear assembly (for 2WD) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Torque sensor (Rack and pinion power steering gear assembly) (for 2WD)
Rack and pinion power steering gear assembly (for AWD) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Torque sensor (Rack and pinion power steering gear assembly) (for AWD)
Steering column assembly Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 09/2019] , or refer to REMOVAL [09/2019 - 10/2020]
Power steering ECU (Rack and pinion power steering gear assembly) (for 2WD) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Power steering ECU (Rack and pinion power steering gear assembly) (for AWD) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
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 (Brake actuator assembly) (w/ Vacuum Brake Booster) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Skid control ECU assembly (w/o Vacuum Brake Booster) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Speed sensor (w/ Vacuum Brake Booster) Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2023]
Speed sensor (w/o Vacuum Brake Booster) Refer to DTC CHECK / CLEAR [12/2017 - 10/2023]
Torque sensor (Rack and pinion power steering gear assembly) (for 2WD) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Power steering motor (Rack and pinion power steering gear assembly) (for 2WD)
Power steering ECU (Rack and pinion power steering gear assembly) (for 2WD)
Torque sensor (Rack and pinion power steering gear assembly) (for AWD) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Power steering motor (Rack and pinion power steering gear assembly) (for AWD)
Power steering ECU (Rack and pinion power steering gear assembly) (for AWD)
CAN communication system Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 09/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020]
Friction sounds occur when turning steering wheel during low speed driving Power steering motor (Rack and pinion power steering gear assembly) (for 2WD) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Power steering motor (Rack and pinion power steering gear assembly) (for AWD) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Steering column assembly Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 09/2019] , or refer to REMOVAL [09/2019 - 10/2020]
Spiral with sensor cable sub-assembly Refer to INSPECTION [12/2017 - ]
Steering column cover contacting steering wheel assembly Refer to INSTALLATION [12/2017 - 10/2023]
High-pitched sound (squeaking) occurs when turning steering wheel slowly with vehicle stopped Power steering motor (Rack and pinion power steering gear assembly) (for 2WD) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Power steering motor (Rack and pinion power steering gear assembly) (for AWD) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Steering wheel installation (incorrect) Refer to INSTALLATION [12/2017 - 10/2023]
Steering wheel vibrates and noise occurs when turning steering wheel from lock to lock Power steering motor (Rack and pinion power steering gear assembly) (for 2WD) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Power steering motor (Rack and pinion power steering gear assembly) (for AWD) Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Steering column assembly Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 09/2019] , or refer to REMOVAL [09/2019 - 10/2020]
Steering wheel installation (incorrect) Refer to INSTALLATION [12/2017 - 10/2023]
EPS warning light remains on EPS warning light circuit Refer to EPS Warning Light Circuit [12/2017 - 10/2023]