Toyota Yaris: Steering Column Assembly / Inspection
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.
-
Support the steering column assembly with wooden blocks or similar items to ensure that it does not fall.
| |
| (b) Using a 10 mm hexagon socket wrench, install the steering wheel assembly set bolt to the steering main shaft. NOTICE: Do not apply excessive torque to the steering wheel assembly set bolt by using a tool such as an impact wrench. HINT: The steering wheel assembly set bolt is used for turning the steering main shaft during inspection of the steering main shaft rotating torque. Remove the steering wheel assembly set bolt after performing this inspection. | |
(c) Using a torque wrench, turn the steering main shaft at a constant rate of approximately 1 revolution every 4 seconds and measure the preload.
Preload:
1.0 to 2.2 N*m (11 to 22 kgf*cm, 9 to 19 in.*lbf)
If the preload is not as specified, replace the power steering ECU assembly or electric power steering column sub-assembly with a new one.
| Turn |
(d) Remove the steering wheel assembly set bolt.
2. INSPECT STEERING COLUMN ASSEMBLY
| (a) Check that the 2 bushings are securely installed to the steering column assembly. If the bushings are deformed, missing or damaged, replace the electric power steering column sub-assembly with a new one. | |
DISASSEMBLY CAUTION / NOTICE / HINT NOTICE:
Do not drop the power steering ECU assembly, strike it with tools or subject it to impacts.
If the power steering ECU assembly is subjected to an impact, replace it with a new one...
REASSEMBLY CAUTION / NOTICE / HINT NOTICE:
Do not drop the power steering ECU assembly, strike it with tools or subject it to impacts.
If the power steering ECU assembly is subjected to an impact, replace it with a new one...
Other information:
DESCRIPTION The steering lock ECU (steering lock actuator or upper bracket assembly) activates the steering lock motor and moves the lock bar into the steering column to lock the steering. When the steering lock is operating, the steering may not lock when the lock bar is not aligned with the lock hole of the steering column...
DESCRIPTION If the airflow from the front registers is weak regardless of the blower speed setting displayed on the air conditioning control assembly, the following factors may be the cause. Symptom Factor
Airflow volume is constantly low
Airflow volume sometimes becomes low
ECO mode control of air conditioning system is enabled
Harness or connector
Air conditioning amplifier assembly
Blower motor with fan sub-assembly malfunction
Clogged clean air filter
Clogged No...
Categories
Stop the vehicle completely.
Manual transaxle:
Shift into neutral and set the parking brake.
Automatic transaxle:
Shift the selector lever to the P position and set the parking brake.
Press the push button start to turn off the engine. The ignition position is
off.
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