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.
Diagnostic Method
Judge as NG when the following conditions are established.
| Malfunction Criteria | Threshold Value |
|---|---|
| (1) - 1 Instruction value | Different from expected value |
| (1) - 2 Calculated result from CPU and FPU | Different from expected value |
| (2) Process flow result | The result and expected value do not match. |
| (3) High integrated IC motor continuity cut demand | Exist |
| (4) Communication between output driver ICs | Communication failure |
| (5) Writing value to CAN register | Read out value |
Time Needed for Diagnosis:
- - 1:2 time(s)
- - 2:512 ms
- 504 ms
- 48 ms
- 2500 ms
- Less than 1 second
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
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.
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