Toyota Yaris: Rear Wheel Alignment / Adjustment

ADJUSTMENT

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after completing the rear wheel alignment procedure are shown below.

PROCEDURE

1. INSPECT TIRES

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2. MEASURE VEHICLE HEIGHT

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3. INSPECT CAMBER

NOTICE:

Inspect while the vehicle is unloaded.

(a) Install a camber-caster-kingpin gauge.

*a Camber-caster-kingpin Gauge

(b) Inspect the camber.

Camber (Unloaded Vehicle):

HINT:

Camber is not adjustable. If the measurement is not within the specified range, inspect the suspension parts for damage and/or wear, and replace them if necessary.

4. INSPECT TOE-IN

NOTICE:

Inspect while the vehicle is unloaded.

(a) Bounce the vehicle up and down at the corners to stabilize the suspension.

(b) Release the parking brake and move the shift lever to neutral.

(c) Push the vehicle straight ahead approximately 5 m (16.4 ft.). (Step A)

(d) Put tread center marks on the rearmost points of the rear wheels and measure the distance between the marks (dimension B).

*a	Tread Center Mark
*b	Dimension B
	Front of the Vehicle

(e) Slowly push the vehicle straight ahead to cause the rear wheels to rotate 180°. Use the rear tire valve as a reference point.

HINT:

Do not allow the wheels to rotate more than 180°. If the wheels rotate more than 180°, perform the procedure from step A again.

(f) Measure the distance between the tread center marks on the front of the rear wheels (dimension A).

*a	Dimension A
	Front of the Vehicle

Toe-in (Unloaded Vehicle):

HINT:

Measure "B - A" only when "C + D" cannot be measured.

If the toe-in is not within the specified range, adjust it at the rear suspension toe adjust cam sub-assembly.

5. ADJUST TOE-IN

(a) Loosen the nut of the rear No. 2 suspension arm assembly (on the rear suspension member sub-assembly side). NOTICE: Hold the rear suspension toe adjust cam sub-assembly while rotating the nut.

(b) Rotate the rear suspension toe adjust cam sub-assembly to adjust the toe-in.

Front of the Vehicle

Toe-in (Unloaded Vehicle):

(c) Tighten the nut of the rear No. 2 suspension arm assembly (on the rear suspension member sub-assembly side).

Torque:

100 N·m {1020 kgf·cm, 74 ft·lbf}

NOTICE:

Hold the rear suspension toe adjust cam sub-assembly while rotating the nut.

6. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD

7. INSPECT AND ADJUST HEADLIGHT AIMING

HINT:

These procedures are to be performed when suspension or tires components have been removed or replaced.

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8. PERFORM CALIBRATION

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9. PERFORM ECU DATA INITIALIZATION

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