RM36D0EC _55 Steering _083083 POWER ASSIST SYSTEMS _0403821 POWER STEERING SYSTEM T

POWER ASSIST SYSTEMS  POWER STEERING SYSTEM  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.



Power Steering System
Symptom Suspected Area Link
Heavy steering Front tires (improperly inflated, unevenly worn) Click here
Front wheel alignment (incorrect) Click here
Front suspension (lower ball joint) Click here
Rack and pinion power steering gear assembly Click here
Torque sensor (Rack and pinion power steering gear assembly)
Power steering motor (Rack and pinion power steering gear assembly)
Steering column assembly Click here
Auxiliary battery and power source circuit (A25D-FXS) Click here
Auxiliary battery and power source circuit (A25F-FXS) Click here
Auxiliary battery and power source circuit (A25B-FXS) Click here
Auxiliary battery and power source circuit (M20D-FKS) Click here
Auxiliary battery and power source circuit (M20C-FKS) Click here
Power source voltage of power steering ECU (Rack and pinion power steering gear assembly) Click here
CAN communication system (for GTMC Made HV Model) Click here
CAN communication system (for GTMC Made Gasoline Model) Click here
CAN communication system (for SFTM Made HV Model) Click here
CAN communication system (for SFTM Made Gasoline Model) Click here
Vehicle condition (Steering wheel is turned from left to right repeatedly with vehicle stopped or heavy load is continuously applied to vehicle) Click here
Heavy Steering (EPS Warning Light (Yellow)) Heavy Steering Feel (EPS Warning Light (Yellow)) Click here
Steering effort differs between right and left or is uneven Front tires (improperly inflated, unevenly worn) Click here
Front wheel alignment (incorrect) Click here
Front suspension (lower ball joint) Click here
Rack and pinion power steering gear assembly Click here
Torque sensor (Rack and pinion power steering gear assembly)
Power steering ECU (Rack and pinion power steering gear assembly)
Steering column assembly Click here
While driving, steering effort does not change in accordance with vehicle speed, or steering wheel does not return to its centered position easily Electronically controlled brake system (for HV Model) Click here
Electronically controlled brake system (for Gasoline Model) Click here
Torque sensor (Rack and pinion power steering gear assembly) Click here
Power steering motor (Rack and pinion power steering gear assembly)
Power steering ECU (Rack and pinion power steering gear assembly)
CAN communication system (for GTMC Made HV Model) Click here
CAN communication system (for GTMC Made Gasoline Model) Click here
CAN communication system (for SFTM Made HV Model) Click here
CAN communication system (for SFTM Made Gasoline Model) Click here
Friction sounds occur when turning steering wheel during low speed driving Power steering motor (Rack and pinion power steering gear assembly) Click here
Steering column assembly Click here
Spiral cable sub-assembly Click here
Steering column cover contacting steering wheel assembly Click here
High-pitched sound (squeaking) occurs when turning steering wheel slowly with vehicle stopped Power steering motor (Rack and pinion power steering gear assembly) Click here
Steering wheel installation (incorrect) Click here
Steering wheel vibrates and noise occurs when turning steering wheel from lock to lock Power steering motor (Rack and pinion power steering gear assembly) Click here
Steering column assembly Click here
Steering wheel installation (incorrect) Click here
Drive mode does not change Drive mode select switch (Integration control and panel assembly) Click here
EPS warning light remains on Refer to the "vehicle control history" of the power steering system Click here
EPS warning light circuit Click here