Lexus NX manuals

Lexus NX: Inspection

Lexus NX Service Manual / Steering / Steering Column / Steering Column Assembly (for Power Tilt And Power Telescopic Steering Column) / Inspection

INSPECTION

CAUTION / NOTICE / HINT

NOTICE:

  • When using a vise, place aluminum plates between the part and vise.
  • When using a vise, do not overtighten it.

PROCEDURE

1. INSPECT ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY

(a) Inspect the preload.

(1) Secure the electric power steering column sub-assembly in a vise between aluminum plates or pieces of cloth as shown in the illustration.

NOTICE:

  • Do not overtighten the vise as the electric power steering column sub-assembly may become deformed.
  • Secure the power steering ECU assembly so that it faces straight up.

*a

Cloth

*b

Steering Wheel Set Nut or equivalent

(2) Install the 2 nuts to the electric power steering column sub-assembly.

HINT:

The nuts to use are the steering wheel set nut or equivalents.

Steering wheel set nut part No.

Thread diameter

Thread pitch

90179-12071

12 mm (0.4724 in.)

1.25 mm (0.0492 in.)

(3) Turn the steering main shaft by 180° to the left and right at a speed of 1 turn per second. Repeat these movements 2 to 3 times to center the power steering ECU assembly.

(4) Check the turning torque of the steering main shaft.

Standard preload:

0.9 to 1.5 N*m (10 to 15 kgf*cm, 8 to 13 in.*lbf)

NOTICE:

Make sure that the shaft turns smoothly.

HINT:

If the result is not as specified, center the power steering ECU assembly again.

(b) Inspect the bushings.

(1) Check that the 2 bushings are securely installed to the electric power steering column sub-assembly.

HINT:

If the bushings are missing or damaged, replace the electric power steering column sub-assembly with a new one.

*a

Bushing

READ NEXT:

 Installation

INSTALLATION CAUTION / NOTICE / HINT NOTICE: Do not replace the spiral with sensor cable sub-assembly with the battery connected and the power switch on (IG). Do not rotate the spiral with sensor

 Steering Heater Switch

InspectionINSPECTION PROCEDURE 1. REMOVE NO. 2 COMBINATION SWITCH ASSEMBLY Click here 2. INSPECT NO. 2 COMBINATION SWITCH ASSEMBLY (a) Measure the voltage according to the value (s) in the table

 Steering Lock System

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 Inspection

INSPECTION PROCEDURE 1. INSPECT REAR LIGHT ASSEMBLY LH (a) Apply battery voltage to the connector and check the light illumination condition. OK: Battery Connection Specified Condition Positive (+) → 2 (B) Negative (-) → 4 (E) Taillight illuminates Positive (+) → 3 (B) Negat

 Components

COMPONENTS ILLUSTRATION *1 EXHAUST VALVE *2 EXHAUST VALVE GUIDE BUSH *3 INTAKE VALVE *4 INTAKE VALVE GUIDE BUSH *5 NO. 1 STRAIGHT SCREW PLUG *6 NO. 2 STRAIGHT SCREW PLUG *7 RING PIN *8 SPARK PLUG TUBE *9 VALVE SPRING SEAT *10 VALVE STEM OIL SEAL

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