EV, Hybrid and High-Voltage Checklist
Electric Motor and Inverter Visual Checklist
A safe visual inspection sheet for electric motor, inverter, connectors, mounts and cooling lines.
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Checklist Preview
- Motor inverter: do not open HV components unless qualified
- Motor inverter: inspect orange cable routing and damage externally
- Motor inverter: check inverter coolant leaks
- Motor inverter: inspect motor mounts and driveline noise
- Motor inverter: scan inverter and motor temperature data
- Motor inverter: inspect resolver/sensor connectors where accessible
- Motor inverter: check for water intrusion signs
- Motor inverter: listen for bearing noise without unsafe proximity
- Motor inverter: document visible damage with photos
- Motor inverter: escalate internal HV faults to qualified service
How To Use It
Use this checklist before replacing parts. Work from the top down, record the result of each step, and only move to repair decisions when the failed test is clear.
The downloadable PDF includes checkboxes, notes space, final verification and technician sign-off fields for workshop records.
Download Access
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Tools To Prepare
- Insulated gloves
- CAT-rated meter
- Insulated tools
- Thermal camera
- Manufacturer safety data
Evidence To Record
- State of charge
- Isolation status
- Connector temperature
- Warning messages
SEO and Research Notes
This original Motomech worksheet is built from common workshop inspection logic: verify the complaint, inspect safety-critical systems first, measure before replacing parts, document the failed test, and finish with a repeatable road-test or service verification.
