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 CAN has two lines which operate as a pair and which communicate at operating voltage. The CAN has excellent data speed and error detecting capacity. It consists of vehicle control systems such as the network gateway ECU, four wheel drive control ECU, yaw rate sensor assembly, distance control ECU assembly, seat belt control ECU, parking assist ECU, steering control ECU, steering sensor, skid control ECU with actuator assembly, suspension control ECU, DLC3, multi-display, A/C amplifier assembly, ECM, center airbag sensor assembly, headlight swivel ECU assembly, multiplex tilt and telescopic ECU, outer mirror control ECU assembly, front power seat control ECU and switch LH, certification ECU assembly, tire pressure warning ECU, power back door unit assembly, No. 2 multiplex network body ECU combination meter assembly, bus buffer ECU and main body ECU.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.