PROBLEM SYMPTOMS TABLE
HINT:
Symptom |
Suspected Area |
Link |
---|---|---|
Heavy steering |
Front tires (improperly inflated, unevenly worn) |
|
Front wheel alignment (incorrect) |
|
|
Front suspension (Lower ball joint) |
|
|
Steering gear assembly |
|
|
Battery and power source circuit |
|
|
Power source voltage of power steering ECU assembly |
|
|
Power steering ECU assembly |
|
|
Vehicle condition (Steering wheel is turned from left to right repeatedly with vehicle stopped or heavy load is continuously applied to vehicle) |
|
|
Steering effort differs between right and left or is uneven |
Rotation angle sensor initialization and torque sensor zero point calibration incomplete |
|
Front tires (improperly inflated, unevenly worn) |
|
|
Front wheel alignment (incorrect) |
|
|
Front suspension (Lower ball joint) |
|
|
Steering gear assembly |
|
|
Torque sensor (Electric power steering column sub-assembly) |
|
|
Electric power steering column sub-assembly |
|
|
Power steering ECU assembly |
|
|
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) |
|
Speed sensor |
|
|
Torque sensor (Electric power steering column sub-assembly) |
|
|
Power steering ECU assembly |
|
|
CAN communication system |
|
|
Friction sounds occur when turning steering wheel during low speed driving |
Power steering motor (Power steering ECU assembly) |
|
Electric power steering column sub-assembly |
|
|
Spiral with cable sensor sub-assembly |
|
|
Steering column cover contacting steering wheel assembly |
|
|
High-pitched sound (squeaking) occurs when turning steering wheel slowly with vehicle stopped |
Power steering motor (Power steering ECU assembly) |
|
Steering wheel installation (incorrect) |
|
|
Steering wheel vibrates and noise occurs when turning steering wheel from lock to lock |
Power steering motor (Power steering ECU assembly) |
|
Electric power steering column sub-assembly |
|
|
Steering wheel installation (incorrect) |
|
|
DTCs cannot be output (terminals TC and CG of the DLC3 are connected) |
TC and CG terminal circuit |
|
IG power source circuit |
|
|
Meter / gauge system |
|
|
EPS warning light remains on |
EPS warning light circuit |
|
Toyota CH-R Service Manual > Lighting System: Control Module Communication Bus OFF (U0073,U0100,U0129,U0142)
DESCRIPTION
These DTCs are stored when the CAN communication system is malfunctioning.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
U0073
Control Module Communication Bus OFF
Lost comm ...
Toyota CH-R Service Manual > Front Passenger Airbag Assembly: Components
COMPONENTS
ILLUSTRATION
*1
INSTRUMENT PANEL PASSENGER AIRBAG ASSEMBLY
*2
NO. 2 INSTRUMENT PANEL WIRE
...