Toyota Yaris: Steering Column Assembly / Inspection

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Steering / Steering Column / 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.

*a	Wooden Block
*b	Cloth

(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

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

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...

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