WARNING SYSTEMS — Audi A4 2009 — SYSTEM WIRING DIAGRAMS

WARNING SYSTEMS

Brake Wear Sensor Wiring Diagram for Audi A4 2009

List of elements for Brake Wear Sensor Wiring Diagram for Audi A4 2009:

• Computer data lines system
• Driver's side fuse panel (a4: behind left end of dash)
• Fuse 20a
• Fuse carrier
• G639 (a4: behind left kick panel)
• Hot at all times
• Instrument cluster control module
• Left front brake pad wear sensor
• T16b
• T17l
• T32b
• Vehicle electrical system control module (a4: under left side of dash) (s4: behind driver's storage compt)

Tire Pressure Monitoring Wiring Diagram for Audi A4 2009

List of elements for Tire Pressure Monitoring Wiring Diagram for Audi A4 2009:

• Computer data lines system
• Fuse 5a
• Fuse carrier 2
• G638 (a4: behind right kick panel)
• Hot at all times
• Left front tire pressure monitoring sensor
• Left rear tire pressure monitoring sensor
• Luggage compartment relay/ fuse carrier (a4: right side of luggage compt)
• Right front tire pressure monitoring sensor
• Right rear tire pressure monitoring sensor
• Tire pressure monitoring control module (a4: behind right side of dash)