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Learn · seven mini-lessons
Explore · transmission family fingerprints
Open each family card. The goal is not brand memorization; it is recognizing what questions the architecture makes important.
What remains universal?
| Question | Why it survives across families |
|---|---|
| What exactly is the unit/application? | The correct identity controls specifications, parts, fluid, data, procedures and compatibility. |
| Where does torque enter, change and leave? | Power-flow reasoning still anchors diagnosis even when the hardware changes. |
| What is commanded versus what actually happened? | Comparing command, speed, pressure/current and mechanical response separates control from capacity problems. |
| What evidence exists before disassembly? | Codes, scan data, fluid/debris, noise, ratios and operating conditions can disappear or change after repair work begins. |
Virtual lab · build the architecture fingerprint
Select a classroom family preset or build your own. The fingerprint narrows the questions you should research; it does not identify a real unit by itself.
Unit-specific research sequence
Complete the sequence in order. Real service information may require additional steps.
Start by positively identifying the exact vehicle application and transmission/unit code.
Apply · four family-variation cases
Evidence
Best next action
Knowledge check · 10 questions
This checks conceptual understanding, not practical competency.
Instructor skills · family research & comparison practical
Instructor-observed activity. Use a real vehicle/unit, training unit, approved database or instructor-provided documents. Do not infer interchange or service specifications from this module.
Preserved Autonatomy resource
4L60-E · Transmission Research Task Sheet — preserved student worksheetUse the worksheet to practice exact-unit research. The 4L60-E is one family example; do not generalize its specifications or component logic to other designs.