Checking Steering Wheel Turning Force

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Park vehicle on a level, dry surface and set parking brake.
Start engine.
Bring power steering fluid up to adequate operating temperature. Make sure the fluid temperature is approximately 60° - 80°C (140° - 176°F).
Tires need to be inflated to normal pressure.
Check steering wheel turning force using Tool when steering wheel has been turned 360° from the neutral position.
Tool number :J-44372

Steering wheel :39 N (4 kg-f, 9 lb-f) or less turning force
If steering wheel turning force is out of specification, check rack sliding force. Refer to "CHECKING RACK SLIDING FORCE ".
If rack sliding force is not within specifications, adjust rack sliding force. Refer to "ADJUSTMENT FOR RACK SLIDING FORCE ".
If rack sliding force is OK, inspect steering column. Refer to "INSPECTION ".

Fig 1: Checking Steering Wheel Turning Force Using Special Tool

Courtesy of NISSAN MOTOR CO., U.S.A.