Toyota Yaris: Steering Column Assembly / Disassembly
DISASSEMBLY
CAUTION / NOTICE / HINT
NOTICE:
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Do not drop the power steering ECU assembly, strike it with tools or subject it to impacts.
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If the power steering ECU assembly is subjected to an impact, replace it with a new one.
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Do not pull the wire harness.
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Do not allow any moisture to come into contact with the power steering ECU assembly.
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Do not loosen any bolts not mentioned in the procedure.
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Do not allow any foreign matter to contaminate the power steering ECU assembly.
PROCEDURE
1. REMOVE STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY
(a) Secure the steering column assembly in a vise between aluminum plates.
NOTICE:
Do not overtighten the vise.
(b) Using SST, strike a punch mark for drilling in the center of the steering lock set bolt. SST: 09622-00010 NOTICE: When striking the punch mark, in order to prevent impact force from being applied to the steering lock actuator or upper bracket assembly, do not use a normal center punch. | |
(c) Using a drill, drill a hole in the 2 steering lock set bolts and insert a screw extractor.
(d) Using the screw extractor, remove the 2 steering lock set bolts, upper steering column clamp and steering lock actuator or upper bracket assembly.
| Turn |
2. REMOVE POWER STEERING ECU ASSEMBLY
Click here
3. REMOVE ELECTRIC POWER STEERING MOTOR SHAFT DAMPER
Click here
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during the electric power steering column sub-assembly removal/installation are shown below...
INSPECTION PROCEDURE 1. INSPECT PRELOAD (a) Secure the steering column assembly in a vise using aluminum plates, cloths and wooden blocks. NOTICE:
Do not overtighten the vise, as the steering column assembly may become deformed...
Other information:
TERMINALS OF ECU NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work...
This vehicle is equipped with an emission control system (the catalytic
converter is part of this system) that enables the vehicle to comply
with existing exhaust emissions requirements.
Under U.S. federal law, any modification to the original-equipment
emission
control system before the first sale and registration of a vehicle is
subject to
penalties...
Categories
The front and side supplemental restraint systems (SRS) include different
types of air bags. Please verify the different types of air bags
which are equipped on your vehicle by locating the “SRS AIRBAG”
location indicators. These indicators are visible in the area where the
air bags are installed.
The air bags are installed in the following locations:
The steering wheel hub (driver air bag)
The front passenger dashboard (front passenger air bag)
The outboard sides of the front seatbacks (side air bags)
The front and rear window pillars, and the roof edge along both
sides (curtain air bags)
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