Electric Power Steering System

NEUTRAL POSITION STEERING WHEEL 

1. Check that steering gear assembly, steering column assembly and steering wheel are installed in the correct position.
2. Check wheel alignment within specification. Refer to WHEEL ALIGNMENT : Service Data . (2WD) Refer to WHEEL ALIGNMENT : Service Data . (AWD).
3. Set vehicle to the straight-ahead position and confirm steering wheel is in the neutral position.
   • Loosen outer socket lock nut and turn inner socket to left and right equally to make fine adjustments if steering wheel is not in the neutral position.
   CAUTION: If the adjustment is performed by using the inner socket, check wheel alignment after the adjustment. Refer to WHEEL ALIGNMENT : Inspection (2WD). Refer to WHEEL ALIGNMENT : Service Data . (AWD).

STEERING WHEEL TURNING FORCE 

1. Park vehicle on a level and dry surface, set parking brake.
2. Tires need to be inflated normal pressure. Refer to TIRE AIR PRESSURE : Service Data .
3. Start engine.
4. Check steering wheel turning force when steering wheel has been turned 360 deg. from neutral position.

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   Steering wheel turning force

   : Refer to STEERING WHEEL : Service Data .

   L	: 185 mm (7.28 in)

RACK SLIDING FORCE 

1. Disconnect lower joint from steering gear assembly. Refer to STEERING GEAR AND LINKAGE : Removal & Installation .
2. Disconnect steering outer socket from steering knuckle. Refer to STEERING GEAR AND LINKAGE : Removal & Installation .
3. While pulling outer socket slowly in +/-11.5 mm (+/-0.453 in) range from neutral position, make sure rack sliding force is within specification.

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   Rack sliding force

   : Refer to STEERING GEAR AND LINKAGE : Service Data .

   • If rack sliding force is not within specification, overhaul steering gear assembly.

FRONT WHEEL TURNING ANGLE 

1. Perform toe-in inspection. Refer to WHEEL ALIGNMENT : Inspection . (2WD). Refer to WHEEL ALIGNMENT : Service Data . (AWD).
   CAUTION: Perform front wheel turning angle inspection, after toe-in inspection.
2. Place front wheels on turning radius gauges and rear wheels on stands, so that vehicle can be level.

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3. Check the maximum inner and outer wheel turning angles for LH and RH road wheels.
   • Start the engine, and turn steering wheel from full left stop to full right stop and measure the turning angles (maximum inner wheel steering angle and maximum outer wheel steering angle).

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     A	: Inner wheel angle
     B	: Outer wheel angle

     Steering angle

     : Refer to STEERING ANGLE : Service Data .

   • Check the following items when turning angle is out of the standard.
     • Check rack stroke (L).

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       Rack stroke neutral position (L)

       : Refer to STEERING GEAR AND LINKAGE : Service Data .

     • Steering angles are not adjustable. Check steering gear assembly, steering column assembly, and front suspension components for wear or damage if any of the turning angles are different from the specified value. Replace any of them, if any non-standard condition exists.