Toyota Yaris: Steering Column / Steering Column Assembly
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...
COMPONENTS ILLUSTRATION
*1 STEERING WHEEL ASSEMBLY - -
Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft...
Other information:
DESCRIPTION Use the following procedure if no DTCs are output but the EPS warning light is illuminated continuously. The power steering ECU assembly controls the warning light in the combination meter assembly via CAN communication. CAUTION / NOTICE / HINT NOTICE: When the power steering ECU assembly has been replaced, perform Power Steering ECU Initial Setting (assist map writing)...
FAIL-SAFE CHART If a problem occurs in the power steering system, the power steering assist will be stopped or the amount of power assist will be decreased to protect the system. Power Steering System Malfunction Fail-safe Operation EPS warning light Buzzer
Torque sensor (electric power steering column sub-assembly) malfunction
Power steering motor (power steering ECU assembly) malfunction
Power steering ECU assembly malfunction
Power steering assist stops or assist amount is limited Red or yellow Sounds intermittently or once
Vehicle speed signal malfunction
Skid control ECU (brake actuator assembly) malfunction
Decrease in battery voltage (not malfunction)
Power steering assist is temporarily limited Yellow Sounds once HINT:
If the power steering assist stops, the EPS warning light comes on (red)...
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WARNING
When removing the fuel-filler cap, loosen the cap slightly and wait
for
any hissing to stop, then remove it
Fuel spray is dangerous. Fuel can burn skin and eyes and cause illness
if
ingested. Fuel spray is released when there is pressure in the fuel tank and
the fuel-filler cap is removed too quickly.
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