audi AC wiring diagram The following diagram shows 1997 Audi A4 system Circuit and Schematic Diagram which consists of A/C control head, footwell/defroster, flap motor and sensor, temperature regulator, central flap motor and sensor, back pressure motor and sensor, center outlet temperature sensor, motronic engine control module, interior temperature fan and sensor, sunlight photo sensor, A/C compressor speed sensor, outside temperature sensor, fresh air intake duct, fuse panel and instrument cluster, A/C compressor clutch relay, digital outside air temperature/ transmission range selector lever display, fresh air blower, coolant fan control thermal switch, coolant fan, and coolant fan control relay.

Find more detail information about 1997 Audi A4 System Circuit and Schematic Diagram here (diagram 1 and diagram 2, source:

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