A MEASUREMENT TOOL AND A METHOD FOR DETERMINING A STATE OF HEALTH (SOH) OF A CAPACITOR COMPONENT IN A VEHICLE

The disclosure relates to a method performed by a measurement tool for determining a State of Health, SOH, of a capacitor component in a vehicle, wherein the method comprises performing charging and discharging of the capacitor component according to a specific determined charge and discharge cycle; obtaining current and voltage measurements during both the charging and discharging of the capacitor component; determining an Equivalent Series Resistance, ESR, and a capacitance of the capacitor component based on the obtained current and voltage measurements; and determining the SOH of the capacitor component based on the determined capacitance and ESR. The disclosure further relates to a measurement tool for determining a SOH of a capacitor component, a computer program product, a computer program carrier carrying a computer program product and a vehicle.