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.
Base To Power Pattern Changeover
| Select lever | D and 3 ranges |
|---|---|
| Accelerator depression speed | Greater than each set value |
The TCM has16 matrix cells corresponding different throttle opening and vehicle speeds, as shown below. Each cell is given a specific accelerator depression speed at which a Base to Power pattern changeover should occur.
When the accelerator depression speed exceeds the value given for any of the cells, the TCM selects the Power pattern.
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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