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 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 cable with 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) |
|
Toyota CH-R Service Manual > Front Suspension Member: Installation
INSTALLATION
PROCEDURE
1. INSTALL HOLE PLUG
(a) Install the 4 hole plugs to the front suspension crossmember sub-assembly.
HINT:
There are 2 different shapes of hole plug.
2. INSTALL FRONT SUSPENSION MEMBER PLATE
(a) Install the 2 front suspension member plates to the front suspension crossme ...
Toyota CH-R Service Manual > Wiper Switch: Installation
INSTALLATION
PROCEDURE
1. INSTALL WINDSHIELD WIPER SWITCH ASSEMBLY
(a) Engage the claw to install the windshield wiper switch assembly as shown
in the illustration.
Install in this Direction
(b) Connect the 2 connectors.
2. INSTALL UPPER STEERING COLUMN COVER
...