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.
CAN Communication Unit: Notes
Go to CAN SYSTEM , when selecting your car model from the following table.
| Body type | Sedan | |
|---|---|---|
| Axle | 2WD | |
| Engine | QG18DE/QR25DE | |
| Transmission | A/T | M/T |
| CAN communication unit | ||
| ECM | X | X |
| TCM | X | |
| Combination meter | X | X |
| CAN communication type | , CAN COMMUNICATION "TYPE 1" | . "TYPE 2 " |
| CAN system trouble diagnosis | . "CAN SYSTEM (TYPE 1) " | ."CAN SYSTEM (TYPE 2) " |
Use the Manual With the Right Hardware
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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.
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