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.
System Outline
The BEAN consists of body electrical systems such as the network gateway ECU, DLC3, windshield wiper switch assembly, A/C amplifier assembly, headlight swivel ECU assembly, clearance warning ECU assembly, tire pressure warning ECU and receiver, combination meter assembly, main body ECU RH (cowl side J/B RH), multiplex tilt & telescopic ECU, front position control ECU and switch assembly RH, outer mirror control ECU assembly RH, certification ECU assembly, power window regulator master switch assembly, main body ECU LH (cowl side J/B LH), front controller, outer mirror control ECU assembly LH, power source control ECU, front position control ECU and switch assembly LH, overhead module, rain sensor and sliding roof control ECU. The network gateway ECU has communication circuits which correspond to different types of communication data. Different types of communication data can then be shared among communication parts after it goes through network gateway ECU.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.