Home/Volvo/S40/Volvo S40 II facelift (2007-2012)/Repair manual/Accessories Control Systems/Electrical Components - Design and Function (544 Body): NVH

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Wiring diagrams Section: Accessories Control Systems

Accessory Electronic Module (Aem), Accessory USB Unit (Auu) and Central Electronic Module (Cem) - Component Location (544 Body): Overview
Accessory Electronic Module (Aem), Accessory USB Unit (Auu) and Central Electronic Module (Cem) - Component Location (544 Body): Component Locations

Accessory Electronic Module (Aem) - Diagnostic Trouble Code (DTC) Index (544 Body)

Accessory USB Unit (Auu) - Diagnostic Trouble Code (DTC) Index (544 Body)

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Electrical Components - Design and Function (544 Body): NVH Volvo S40 II facelift

Accessories Control Systems

VIBRATIONS

The battery is subjected to vibrations if the car is driven on uneven surfaces. Such vibrations can place stress on the inner connections in the battery and cell units, resulting in wear and damage to the battery. This is a rare occurrence in modern cars however.