Control of the cooling fan of petrol engines (BGB, BPG, BWE, BYK; BUL since August 2004; AUK, BKN since January 2005; BWT since June 2006; BPJ since November 2006) (Audi A4 B7)

9-1 Battery, fuses, cooling fan control unit
* 60 A for radiator fan control - 600 W (models for countries with hot climates, with AT or towing hitch)
* * for engine BG3, BPG, BPJ, VUK, BUL, BWE, BWT
***for AUK, VKN engines

The article was checked by auto expert Timur Bazhenov

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Audi A4 B7: Electrical diagrams

Diagnostic connector (since August 2006)
CAN bus (since 2006 model year)
ABS and ESP systems (since 2006 model year)
ABS and ESP systems (up to model year 2006)

Servotronic (since 2003)
Multifunction steering wheel (from 2004 model year)
Climate system (since August 2004)
Additional heater (from August 2004)

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