RM3660EC _55 Steering _080761 POWER ASSIST SYSTEMS _0392052 POWER STEERING SYSTEM(for Gasoline Model) T

POWER ASSIST SYSTEMS  POWER STEERING SYSTEM(for Gasoline Model)  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
Steering gear assembly Click here
Battery and power source circuit (for M15B-FKS) Click here
Battery and power source circuit (for M15C-FKS) Click here
Battery and power source circuit (for M20A-FKS) Click here
Battery and power source circuit (for M20C-FKS) Click here
Battery and power source circuit (for M20E-FKS) Click here
Battery and power source circuit (for NR Series) Click here
Power source voltage of power steering ECU assembly Click here
Power steering ECU assembly 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)) (forType B) Heavy Steering Feel (EPS Warning Light (Yellow)) Click here
Steering effort differs between right and left or is uneven Power steering ECU zero point calibration not completed Click here
Front tires (improperly inflated, unevenly worn) Click here
Front wheel alignment (incorrect) Click here
Front suspension (Lower ball joint) Click here
Steering gear assembly Click here
Torque sensor (Electric power steering column sub-assembly) Click here
Electric power steering column sub-assembly Click here
Power steering ECU 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 Skid control ECU (Brake actuator assembly) Click here
Speed sensor (for Gasoline Model (NR Series)) Click here
Speed sensor (for Gasoline Model (except NR Series)) Click here
Torque sensor (Electric power steering column sub-assembly) Click here
Power steering ECU assembly Click here
CAN communication system (for NR Series) Click here
CAN communication system (except NR Series) Click here
Friction sounds occur when turning steering wheel during low speed driving Power steering motor (Power steering ECU assembly) Click here
Electric power steering column sub-assembly Click here
Spiral cable with sensor 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 (Power steering ECU 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 (Power steering ECU assembly) Click here
Electric power steering column sub-assembly Click here
Steering wheel installation (incorrect) Click here
Drive mode does not change (w/SPORT switch) SPORT switch (Combination Switch Assembly) circuit (for K313) Click here
SPORT switch (Combination Switch Assembly) circuit (for K121) Click here
SPORT switch (Combination Switch Assembly) circuit (for K321) Click here
EPS warning light remains on EPS warning light circuit Click here
Abnormal feelat steering end position (forType B) Refer to "Abnormal Feel at Steering End Position Click here