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 Inspection Using CONSULT-II (Self-Diagnosis)
- CHECK SELF-DIAGNOSTIC RESULT CAUTION: If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be detected in self-diagnosis depending on control unit which carry out CAN communication.
- Connect to CONSULT-II, and select BCM" on SELECT SYSTEM" screen.
- Select BCM control unit" on SELECT WORK ITEM" screen, and select SELF-DIAG RESULTS.
- Check display content in self-diagnostic results.
Contents displayed
No malfunction: INSPECTION END
Malfunction in CAN communication system: After printing the monitor items, go to CAN System. Refer to PRECAUTIONS WHEN USING CONSULT-II .
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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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