Battery and Electrical | Vehicle Service Pros

Battery and Electrical

This photo shows the complex valving and controls of the refrigerant on a 2022 Hyundai IONIQ, that is equipped with a heat pump system.

Understanding heat pump systems in EVs and hybrids

Let's dive into what automotive heat pumps are, how they work, and cover concerns technicians need to be aware of when diagnosing them.

Aug. 1, 2025

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The greening of the grid and the future of EVs

June 9, 2025

This mechanical drawing shows the circuits that are used and required to take the Hybrid High Voltage Battery and reduce the voltage down to the charge and maintain the Low Voltage Battery system, that is still required on today’s hybrid vehicles.

The essential guide to hybrid motor generators and high voltage system maintenance

Feb. 17, 2025

Fig. 3: Lexus eCVT. Large motor is M/G II.

Hybrids and the evolution of internal combustion engines

Feb. 12, 2025

This photo shows the automatic liftgate on a 2016 Nissan Rogue.

Encoders and smart motors in modern vehicles

Dec. 2, 2024

The dashboard of an xEV will show the driver when they are in regenerative mode.

How regenerative braking works

Dec. 2, 2024

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Diagnostic Test Equipment

Electric Vehicle 12V Battery SafetyPower Diagnostic System, No. xLVS-9000

Nov. 12, 2024

With the trim panels removed you can see all the extra plumbing involved in this heat pump equipped 2023 Hyundai IONIQ 6, this illustrates the need to follow the diagnostics to remove or service the A/C system.

The role of electric A/C compressors in modern vehicles

Aug. 12, 2024

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The evolution from HVAC to thermal management in EVs

Aug. 1, 2024

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