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Home >> Land Rover >> 2022 >> Defender 90 S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Battery, Mounting And Cables - Vehicles With: MHEV -- Defender/L663) >> Battery, Mounting And Cables - Vehicles With: MHEV >> Description And Operation >> MHEV Battery And Cables (G2342548) >> Operation >> MHEV Battery Cooling

MHEV Battery Cooling

WARNING: This page is about a different variant/trim than selected.
CAUTION: Make sure that the air inlet behind the second row seats is not obstructed. A reduction in the cooling airflow can cause overheating in the following components:
  • The MHEV  battery
  • The DC/DC  .

The MHEV  battery is air cooled to regulate the internal MHEV  battery module temperature. The BECM  controls the MHEV  battery internal temperature by the operation of the MHEV  battery electric cooling fan. The BECM  monitors the internal temperature of the MHEV  battery. If the BECM  determines that cooling is required it sends a PWM signal to operate the MHEV  battery cooling fan at an applicable speed.

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