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 > Safety Connect System: Dcm Power Source Circuit
DESCRIPTION
This is the power source circuit to operate the DCM (Telematics Transceiver).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
procedure.
PROCEDURE
1.
CHECK HARNESS AND C ...
Toyota CH-R Service Manual > Door Control Transmitter(w/ Smart Key System): Inspection
INSPECTION
PROCEDURE
1. INSPECT ELECTRICAL KEY TRANSMITTER SUB-ASSEMBLY
(a) Inspect the operation of the electrical key transmitter sub-assembly.
(1) Remove the transmitter battery from the electrical key transmitter sub-assembly.
Click here
(2) Install a new or known good transmitter batt ...