PROBLEM SYMPTOMS TABLE
HINT:
Symptom | Suspected Area | Link |
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Heavy steering | Check assist limit record |
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Front tires (improperly inflated, unevenly worn) |
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Front wheel alignment (incorrect) |
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Front suspension (Lower ball joint) |
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Rack and pinion power steering gear assembly |
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Steering effort differs between right and left or is uneven | Rotation angle sensor initialization and torque sensor zero point calibration incomplete |
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Front tires (improperly inflated, unevenly worn) |
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Front wheel alignment (incorrect) |
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Front suspension (Lower ball joint) |
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Rack and pinion power steering gear assembly |
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Steering column assembly (for Manual Tilt and Manual Telescopic Steering Column) |
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Steering column assembly (for Power Tilt and Power Telescopic Steering Column) |
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While driving, steering effort does not change in accordance with vehicle speed, or steering wheel does not return to its centered position easily | Skid control ECU (Brake Booster with Master Cylinder Assembly) |
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Speed sensor |
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Rack and pinion power steering gear assembly |
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CAN communication system |
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Friction sounds occur when turning steering wheel during low speed driving | Rack and pinion power steering gear assembly |
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Steering column assembly (for Manual Tilt and Manual Telescopic Steering Column) |
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Steering column assembly (for Power Tilt and Power Telescopic Steering Column) |
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Spiral cable with sensor sub-assembly |
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Steering column cover contacting steering wheel assembly (for Manual Tilt and Manual Telescopic Steering Column) |
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Steering column cover contacting steering wheel assembly (for Power Tilt and Power Telescopic Steering Column) |
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High-pitched sound (squeaking) occurs when turning steering wheel slowly with vehicle stopped | Rack and pinion power steering gear assembly |
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Steering wheel installation (incorrect) |
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Steering wheel vibrates and noise occurs when turning steering wheel from lock to lock | Rack and pinion power steering gear assembly |
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Steering column assembly (for Manual Tilt and Manual Telescopic Steering Column) |
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Steering column assembly (for Power Tilt and Power Telescopic Steering Column) |
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Steering wheel installation (incorrect) |
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Drive mode does not change | Pattern select switch sport mode circuit (for NICKEL METAL HYDRIDE BATTERY) |
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Pattern select switch sport mode circuit (for LITHIUM-ION BATTERY) |
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EPS warning light remains on | EPS warning light circuit |
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