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.
Time Series Freeze Frame Data
ECM obtains freeze frame data every 0.5 seconds. When DTC is detected, freeze frame data of [Detect], [1 before], [History2] and [History3] is saved. (Time series freeze frame data)
- You can utilize the time series freeze frame data for diagnosis by checking the status of data changes three times earlier than the DTC was detected.
- For detailed operation procedures, refer to "Common (Diagnostics)". Refer to COMMON (DIAG)>FREEZE FRAME DATA .
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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