Workshop Practice, Tools, Documentation and Customer Interaction
What this domain covers
This domain tests workshop discipline, correct tool use, job documentation and professional customer handling in an EV workshop.
Core rules and concepts
- 5S: sort, set in order, shine, standardise, sustain; keep HV tools separate and inspected.
- Tools: insulated spanners, torque wrench, insulation tester, CAT III multimeter, clamp meter, lifting equipment, EV-rated jack and stands.
- Torque: HV terminal and wheel fasteners need the specified torque; too loose causes heating, too tight damages threads.
- Documentation: job card, vehicle details, mileage, complaint, diagnosis, parts, labour, torque values, test results and technician sign-off.
- Customer interaction: explain the fault in plain language, give an estimate before work, record approval, state warranty limits and hand over clearly.
- Data: protect customer and vehicle data; do not share trip or app data.
Worked example
A customer reports a clicking noise from a front wheel. The job card records the complaint. The technician checks tyre condition, wheel bearings and drive-shaft joints, then finds a loose wheel-nut. The nut is torqued to the manufacturer's figure, the wheel is rechecked and the torque value is written on the job card. The customer is told the cause, the fix and the need to recheck after 100 km.
Traps that cost marks
Do not use an uncalibrated torque wrench. Do not start a repair without a job card or customer approval. Do not promise a fix before diagnosis. Do not use a standard screwdriver on HV connectors. Do not omit the final test and sign-off. Do not discuss another customer's vehicle.