Service Information Explorer
Eight information sources and interpretation tasks. Examine their use and limitations before selecting tests.
Four Research-to-Decision Journeys
Follow source selection, specification interpretation, diagnostic branches and verification.
Research & Diagnostic-Tree Lab
Work through four fictional cross-system cases. Review essential evidence before choosing a supported branch. The source identifiers and conditions are invented for instruction.
Specification comparison bench
Fictional classroom reference: parameter X, 2.40–2.80 V, circuit loaded, simulation mode READY, measured at reference point R. This is not a specification for any real vehicle.
Confirm the test state before interpreting the number.
Evidence board — inspect source and conditions
Select an evidence card.
Choose the supported next branch
Completing this exercise does not confirm any OEM document or authorize real vehicle service.
Service-Information Decisions
Six fictional service-information decisions. Decide what supports an applicable test or branch.
08.2 · Knowledge Check
Answer all ten questions for a browser-local knowledge score. This does not measure hands-on diagnostic competency.
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Study examples are fictional; students must consult current applicable vehicle-specific manufacturer information during instructor-supervised practical work.