S4 V8-4.2L (BHF) (2004)
Alarm Module: Diagram Information and Instructions
How to Find Wiring Diagrams
NOTE: Wiring Diagrams are classified by OE as belonging to one of three categories.
These Three OE Categories Are::
1 - Standard Equipment
2 - Engine Specific
3 - System Specific and Optional Equipment (Common Systems)
Standard Equipment
This category includes equipment such as Instrument Cluster and Gauges, Headlights/Tail Lights/Turn Signals, Rear Window Defroster, Wipers
and Washers, etc..
Standard equipment is found on all vehicles regardless of which engine or optional equipment is installed.
The Standard Equipment diagrams can be found at Power and Ground Distribution diagrams, or via a component name on the Master Diagram
Index at the vehicle level diagrams.
Engine Specific
This category includes components and systems circuits such as Starting and Charging Systems, Engine Controls, Ignition System, Fuel Injection
System, etc., which are unique to a specific engine.
The Engine Specific diagrams can be found at Powertrain Management diagrams, or via a component name on the Master Diagram Index at the
vehicle level diagrams.
System Specific and Optional Equipment
This category includes equipment such as Air Bag Systems, Anti-lock Brake System, Heated Seats, HVAC System, Comfort System, etc.. and
provides circuit details for those systems and components.
Master Diagram Index
See: Diagrams/Electrical Diagrams/Master Diagram Index