Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSCION2006XB L4-1.5L (1NZ-FE)REPAIR AND DIAGNOSISBODY AND FRAMEDESCRIPTION AND OPERATIONBODY STRUCTURE
2006 Scion xB L4-1.5L (1NZ-FE)
Body Structure
2006 Scion xB L4-1.5L (1NZ-FE)SECTION Body Structure
Body Structure
Lightweight and High Rigid Body
The body of the xB has been made lightweight and highly rigid through the refinement of the shape and construction of each part, optimized allocation of reinforcements and members, and use of high strength sheet steel.
1. High Strength Sheet Steel

High strength sheet steel is used for the hood, fender, door panels, luggage compartment panel, and members. We tried to lighten the weight by increasing the use of high strength sheet steel sections.
2. Body Shell

The panels and reinforcements have been effectively located to ensure high rigidity.
^ Reinforcements have been effectively located in the side members to ensure the joining of the pillars and the roof side rails.
^ The upper back panel has been shaped straight to enhance its rigidity.
^ A roof side outer panel has been provided on the rear pillar to enhance its rigidity.
3. Instrument Panel Reinforcement

By adopting the instrument panel reinforcement, dash cross member, pillar brace, dash reinforcement and cowl side reinforcement, thus results in having the structure to disperse the impact at the collision.
4. Under Body

By making the main framework straight and optimizing the joint structure of each framework, thus result in improving the body more lightweight and with high rigidity.
5. Floor Panel

By making the configuration of the floor tunnel straight, dividing the floor panel in ten sheets and making their structure rounded, thus rigidity improvement and road noise reduction are realized
Also, by adopting the floor brace in the floor tunnel, driveability and tranquillity in the compartment are improved.
Lightweight and High Rigid Body
The body of the xB has been made lightweight and highly rigid through the refinement of the shape and construction of each part, optimized allocation of reinforcements and members, and use of high strength sheet steel.
1. High Strength Sheet Steel
High strength sheet steel is used for the hood, fender, door panels, luggage compartment panel, and members. We tried to lighten the weight by increasing the use of high strength sheet steel sections.
2. Body Shell
The panels and reinforcements have been effectively located to ensure high rigidity.
^ Reinforcements have been effectively located in the side members to ensure the joining of the pillars and the roof side rails.
^ The upper back panel has been shaped straight to enhance its rigidity.
^ A roof side outer panel has been provided on the rear pillar to enhance its rigidity.
3. Instrument Panel Reinforcement
By adopting the instrument panel reinforcement, dash cross member, pillar brace, dash reinforcement and cowl side reinforcement, thus results in having the structure to disperse the impact at the collision.
4. Under Body
By making the main framework straight and optimizing the joint structure of each framework, thus result in improving the body more lightweight and with high rigidity.
5. Floor Panel
By making the configuration of the floor tunnel straight, dividing the floor panel in ten sheets and making their structure rounded, thus rigidity improvement and road noise reduction are realized
Also, by adopting the floor brace in the floor tunnel, driveability and tranquillity in the compartment are improved.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.