Wiring Diagram AUDI A5 2008 - Entry and start authorisation button - Convenience system central control unit - Luggage compartment aerial for entry and start system - Interior aerial 1 for entry and start system
Positive connection 5 (30), in main wiring harness
B528
Connection 1 (LIN bus) in main wiring harness
*
see applicable current flow diagram for fuse assignment
*2
see applicable current flow diagram
*3
Only models with 2-doors
*4
According to equipment
*5
see applicable current flow diagram for MMI (information electronics)
Wiring Diagram AUDI A5 2008 - Contact sensor for front left exterior door handle - Contact sensor for front right exterior door handle - Convenience system central control unit - Left aerial for entry and start authorisation
Earth connection, in front passenger door wiring harness
366
Earth connection 1, in main wiring harness
370
Earth connection 5, in main wiring harness
*
According to equipment
*2
Only models with 5-doors
*3
Only models with 2-doors
Wiring Diagram AUDI A5 2008 - Contact sensor for rear left exterior door handle - Contact sensor for rear right exterior door handle - Convenience system central control unit
see applicable current flow diagram for fuse assignment
Wiring Diagram AUDI A5 2008 - Contact switch in lock cylinder for rear lid - anti-theft alarm system and central locking system - Release button for rear lid lock cylinder - Convenience system central control unit - Rear lid central locking motor - Left number plate light - Right number plate light
Driver door central locking SAFELOCK function motor
B398
Connection 2 (convenience CAN bus, high), in main wiring harness
B407
Connection 2 (convenience CAN bus, low), in main wiring harness
*
gradual introduction
*2
Only models with SAFELOCK function
Wiring Diagram AUDI A5 2008 - Driver seat memory operating unit - Driver side interior locking switch - Rear lid remote release switch - Driver door control unit - Driver door opener illumination bulb - Driver side door warning lamp - Front left entry light
Earth connection 2, in drive side door wiring harness
B398
Connection 2 (convenience CAN bus, high), in main wiring harness
B407
Connection 2 (convenience CAN bus, low), in main wiring harness
R52
Connection (58s), in driver side door wiring harness
*
Driver seat with memory function
*2
Only models with 5-doors
Wiring Diagram AUDI A5 2008 - Mirror adjustment switch - Mirror adjustment changeover switch - Adjustment switch for mirror with fold-in feature - Interior monitoring switch - Alarm system off switch - Driver door control unit - Central locking SAFELOCK function warning lamp
Earth connection 2, in drive side door wiring harness
B398
Connection 2 (convenience CAN bus, high), in main wiring harness
B407
Connection 2 (convenience CAN bus, low), in main wiring harness
R52
Connection (58s), in driver side door wiring harness
Wiring Diagram AUDI A5 2008 - Potentiometer for horizontal adjustment of driver side mirror - Potentiometer for vertical adjustment of driver side mirror - Driver door control unit - Driver side mirror adjustment motor - Driver side fold-in mirror motor - Driver side mirror adjustment motor
Connection 2 (convenience CAN bus, high), in main wiring harness
B407
Connection 2 (convenience CAN bus, low), in main wiring harness
B427
Connection 1 (mirror signal), in main wiring harness
B428
Connection 2 (mirror signal), in main wiring harness
*
Only models with automatic anti-dazzle interior mirror
Wiring Diagram AUDI A5 2008 - Driver door control unit - Lane change assist warning lamp in driver side exterior mirror - Driver side turn signal repeater bulb - Driver side entry light in exterior mirror - Driver side automatic anti-dazzle exterior mirror - Heated exterior mirror on driver side
Front passenger door central locking SAFELOCK function motor
B398
Connection 2 (convenience CAN bus, high), in main wiring harness
B407
Connection 2 (convenience CAN bus, low), in main wiring harness
*
Gradually discontinued
*2
Only models with SAFELOCK function
*3
gradual introduction
Wiring Diagram AUDI A5 2008 - Window regulator switch in front passenger door - Front passenger side interior locking switch - Front passenger door control unit
Earth connection 2, in front passenger side door wiring harness
B398
Connection 2 (convenience CAN bus, high), in main wiring harness
B407
Connection 2 (convenience CAN bus, low), in main wiring harness
R53
Connection (58s), in driver side door wiring harness
*
Only models with front passenger side interior locking switch
*2
According to equipment
Wiring Diagram AUDI A5 2008 - Front passenger door control unit - Front passenger door opener illumination bulb - Front passenger side window regulator motor - Front right entry light - Front passenger side door warning lamp
Earth connection 2, in front passenger side door wiring harness
R57
Connection (entry light), in front passenger door wiring harness
*
Gradually discontinued
*2
gradual introduction
Wiring Diagram AUDI A5 2008 - Potentiometer for horizontal adjustment of front passenger side mirror - Potentiometer for vertical adjustment of front passenger side mirror - Front passenger door control unit - Front passenger side mirror adjustment motor - Front passenger side fold-in mirror motor - Front passenger side mirror adjustment motor
27-pin connector, lower part of A-pillar, front passenger side
V25
Front passenger side mirror adjustment motor
V122
Front passenger side fold-in mirror motor
V150
Front passenger side mirror adjustment motor
Wiring Diagram AUDI A5 2008 - Front passenger door control unit - Lane change assist warning lamp in front passenger side exterior mirror - Front passenger side turn signal repeater bulb - Front passenger side entry light in exterior mirror - Front passenger side automatic anti-dazzle exterior mirror - Heated exterior mirror on front passenger side
Rear left door central locking SAFELOCK function motor
*
Gradually discontinued
*2
Only models with 5-doors
*3
Only models with SAFELOCK function
*4
gradual introduction
Wiring Diagram AUDI A5 2008 - Rear left window regulator switch - in door - Rear left interior locking switch - Rear left door control unit - Rear left window regulator motor
Earth connection 2, in rear left door wiring harness
R54
Connection (58s), in rear left door wiring harness
*
Only models with 5-doors
*2
Only models with US equipment
*3
Gradually discontinued
*4
gradual introduction
*5
According to equipment
*6
Only right-hand drive models
Wiring Diagram AUDI A5 2008 - Rear left door control unit - Rear left door opener illumination bulb - Rear left entry light - Rear left door warning lamp
Rear right door central SAFELOCK function locking motor
*
Gradually discontinued
*2
Only models with 5-doors
*3
Only models with SAFELOCK function
*4
gradual introduction
Wiring Diagram AUDI A5 2008 - Rear right window regulator switch - in door - Rear right interior locking switch - Rear right door control unit - Rear right window regulator motor
Earth connection 2, in rear right door wiring harness
R55
Connection (58s), in rear right door wiring harness
*
Only models with 5-doors
*2
Only models with interior locking switch
*3
Gradually discontinued
*4
gradual introduction
*5
According to equipment
Wiring Diagram AUDI A5 2008 - Rear right door control unit - Rear right door opener illumination bulb - Rear right entry light - Rear right door warning lamp
Driving school option Rental car option Public authority option Fuse 1 for ABS control unit -S123- Fuse 2 for ABS control unit -S124- Fuse 3 for ABS control unit -S137-
30
AUDI A5 2008 Relay/ fuse holder B SB up to July 2011
Relay/fuse holder B -SB- up to July 2011
Location, relay/fuse holder B -SB- for models with right-hand drive, up to model year 2011:
In electronics box in plenum chamber, driver side
3)
for models with 6-cylinder diesel engine only
5)
for models with 8-cylinder petrol engine only (not for RS 5)
Fuses in fuse carrier ST2 on fuse holder C -SC- (brown)
51)
for models with seat ventilation only
No.
Current Flow Diagram designation
Nominal value
Function/component
Terminal
1
-
Fuse 1 on fuse holder C -SC1-
-
Not assigned
2
-
Fuse 2 on fuse holder C -SC2-
5 A
-
Brake light switch -F-
87
3
-
Fuse 3 on fuse holder C -SC3-
25 A
-
Fuel pump control unit -J538-
87
4
-
Fuse 4 on fuse holder C -SC4-
5 A
-
Clutch position sender -G476- Pressure sender for reducing agent metering system -G686- Control unit for reducing agent metering system -J880- Pump for reducing agent -V437- Heater for reducing-agent pump -Z103-
87
5
-
Fuse 5 on fuse holder C -SC5-
15 A 30 A
-
Onboard supply control unit -J519- Control unit for front left seat ventilation -J800-
30
6
-
Fuse 6 on fuse holder C -SC6-
5 A
-
ABS control unit -J104-
30
7
-
Fuse 7 on fuse holder C -SC7-
15 A
-
Treble horn -H2- Bass horn -H7- Horn relay -J413-
30
8
-
Fuse 8 on fuse holder C -SC8-
30 A
-
Front left door
30
9
-
Fuse 9 on fuse holder C -SC9-
30 A
-
Wiper motor control unit -J400-
30
10
-
Fuse 10 on fuse holder C -SC10-
25 A
-
ABS control unit -J104-
30
11
-
Fuse 11 on fuse holder C -SC11-
30 A
-
Rear left door
30
12
-
Fuse 12 on fuse holder C -SC12-
5 A
-
Rain and light sensor -G397-
30
AUDI A5 2008 Fuse holder D SD
Fuse holder D -SD-
Location fuse holder D -SD- for models with left-hand drive:
Fuses in fuse carrier ST2 on fuse holder F -SF- (black)
No.
Current Flow Diagram designation
Nominal value
Function/component
Terminal
1
-
Fuse 1 on fuse holder F -SF1-
5 A
-
Tyre pressure monitor control unit -J502-
30
2
-
Fuse 2 on fuse holder F -SF2-
15 A
-
Trailer detector control unit -J345-
30
3
-
Fuse 3 on fuse holder F -SF3-
20 A
-
Trailer detector control unit -J345-
30
4
-
Fuse 4 on fuse holder F -SF4-
20 A
-
Trailer detector control unit -J345-
30
5
-
Fuse 5 on fuse holder F -SF5-
5 A
-
Electromechanical parking brake button -E538-
30
6
-
Fuse 6 on fuse holder F -SF6-
15 A
-
Electronically controlled damping control unit -J250-
30
7
-
Fuse 7 on fuse holder F -SF7-
30 A
-
Control unit for electromechanical parking brake -J540-
30
8
-
Fuse 8 on fuse holder F -SF8-
30 A
-
Convenience system central control unit -J393-
30
9
-
Fuse 9 on fuse holder F -SF9-
35 A
-
All-wheel drive control unit -J492-
30
10
-
Fuse 10 on fuse holder F -SF10-
30 A
-
Convenience system central control unit -J393-
30
11
-
Fuse 11 on fuse holder F -SF11-
20 A
-
Convenience system central control unit -J393-
30
12
-
Fuse 12 on fuse holder F -SF12-
5 A
-
Interface control unit for vehicle location system -J843-
30
no longer fitted, phased-in modification
60)
30 A
-
DC/AC converter with socket, 12 V-230 V -U13-
30
2
-
Fuse 2 on fuse holder F -SF2-
-
Not assigned
3
-
Fuse 3 on fuse holder F -SF3-
7.5 A
-
Navigation system with CD drive control unit -J401- Radio -R- Telephone transmitter and receiver unit -R36- TV tuner -R78- Aerial amplifier for mobile telephone -R86- Telephone bracket -R126- Satellite radio -R146- Digital radio -R147- 18-pin connector, black -T18a-
30
4
-
Fuse 4 on fuse holder F -SF4-
30 A
-
Digital sound package control unit -J525-
30
5
-
Fuse 5 on fuse holder F -SF5-
5 A
-
Control unit for front display and information control panel -J523-
30
6
-
Fuse 6 on fuse holder F -SF6-
30 A
-
Auxiliary heater control unit -J364-
30
7
-
Fuse 7 on fuse holder F -SF7-
30 A
-
Control unit for electromechanical parking brake -J540-
30
8
-
Fuse 8 on fuse holder F -SF8-
30 A
-
Heated rear left seat switch with regulator -E128- Heated rear right seat switch with regulator -E129-
30
9
-
Fuse 9 on fuse holder F -SF9-
30 A
-
Front passenger door control unit -J387-
30
10
-
Fuse 10 on fuse holder F -SF10-
5 A
-
Remote control receiver for auxiliary heater -R64-
30
11
-
Fuse 11 on fuse holder F -SF11-
15 A
-
Front passenger door control unit -J387-
30
12
-
Fuse 12 on fuse holder F -SF12-
5 A
-
Reversing camera system control unit -J772-
30
Fuses in fuse carrier ST5 on fuse holder F -SF- (black)
No.
Current Flow Diagram designation
Nominal value
Function/component
Terminal
1
-
Fuse 1 on fuse holder F -SF1-
-
Not assigned
2
-
Fuse 2 on fuse holder F -SF2-
-
Not assigned
3
-
Fuse 3 on fuse holder F -SF3-
-
Not assigned
4
-
Fuse 4 on fuse holder F -SF4-
-
Not assigned
5
-
Fuse 5 on fuse holder F -SF5-
-
Not assigned
6
Fuse 6 on fuse holder F -SF6-
-
Not assigned
7
Fuse 7 on fuse holder F -SF7-
-
Not assigned
8
Fuse 8 on fuse holder F -SF8-
-
Not assigned
9
Fuse 9 on fuse holder F -SF9-
-
Not assigned
10
Fuse 10 on fuse holder F -SF10-
-
Not assigned
11
Fuse 11 on fuse holder F -SF11-
-
Not assigned
12
-
Fuse 12 on fuse holder F -SF12-
-
Not assigned
AUDI A5 2008 Relay/ fuse holder F SF from model year 2010
Relay/fuse holder F -SF- from model year 2010
Location, relay/fuse holder F -SF- from model year 2010:
Fuses in fuse carrier ST2 on fuse holder F -SF- (black)
61)
15 A
-
Adjustable rear spoiler control unit -J223- Trailer detector control unit -J345-
30
3
-
Fuse 3 on fuse holder F -SF3-
20 A
-
Trailer detector control unit -J345-
30
4
-
Fuse 4 on fuse holder F -SF4-
20 A
-
Trailer detector control unit -J345-
30
5
-
Fuse 5 on fuse holder F -SF5-
5 A
-
Electromechanical parking brake button -E538-
30
6
-
Fuse 6 on fuse holder F -SF6-
15 A
-
Electronically controlled damping control unit -J250-
30
7
-
Fuse 7 on fuse holder F -SF7-
30 A
-
Control unit for electromechanical parking brake -J540-
30
8
-
Fuse 8 on fuse holder F -SF8-
30 A
-
Convenience system central control unit -J393-
30
9
-
Fuse 9 on fuse holder F -SF9-
35 A
-
All-wheel drive control unit -J492-
30
10
-
Fuse 10 on fuse holder F -SF10-
30 A
-
Convenience system central control unit -J393-
30
11
-
Fuse 11 on fuse holder F -SF11-
20 A
-
Convenience system central control unit -J393-
30
12
-
Fuse 12 on fuse holder F -SF12-
5 A
-
Control unit for fuel tank leak detection -J909-
30
Fuses in fuse carrier ST4 on fuse holder F -SF- (red)
No.
Current Flow Diagram designation
Nominal value
Function/component
Terminal
1
-
Fuse 1 on fuse holder F -SF1-
15 A
-
12 V socket 2 -U18-
87
2
-
Fuse 2 on fuse holder F -SF2-
15 A
-
12 V socket -U5- DC/AC converter with socket, 12 V-230 V -U13-
87
3
-
Fuse 3 on fuse holder F -SF3-
15 A
-
12 V socket 3 -U19-
87
4
-
Fuse 4 on fuse holder F -SF4-
15 A
-
Cigarette lighter -U1-
87
5
-
Fuse 5 on fuse holder F -SF5-
-
Not assigned
6
-
Fuse 6 on fuse holder F -SF6-
5 A
-
2-pin connector, in driver seat backrest -T2dy- 2-pin connector, in front passenger seat backrest -T2dz-
87
7
-
Fuse 7 on fuse holder F -SF7-
7.5 A
-
Park assist steering control unit -J791-
15
8
-
Fuse 8 on fuse holder F -SF8-
-
Not assigned
9
-
Fuse 9 on fuse holder F -SF9-
5 A
-
Electromechanical parking brake button -E538-
15
10
-
Fuse 10 on fuse holder F -SF10-
5 A
-
Lane change assist control unit 2 -J770-
15
11
-
Fuse 11 on fuse holder F -SF11-
5 A
-
Heated rear left seat switch with regulator -E128-
15
12
-
Fuse 12 on fuse holder F -SF12-
5 A
-
Electronically controlled damping control unit -J250- Trailer detector control unit -J345- All-wheel drive control unit -J492- Voltage stabiliser -J532- Control unit for electromechanical parking brake -J540-
15
for models with radio (CAN) and sound system Basic (up to November 2009) only
63)
applicable from May 2010
No.
Current Flow Diagram designation
Nominal value
Function/component
Terminal
1
-
Fuse 1 on fuse holder F -SF1-
-
Not assigned
2
-
Fuse 2 on fuse holder F -SF2-
-
Not assigned
3
-
Fuse 3 on fuse holder F -SF3-
20 A 30 A
-
Radio, digital sound package control unit -J525- Radio -R-
30
4
-
Fuse 4 on fuse holder F -SF4-
7.5 A
-
Control unit 1 for information electronics -J794-
30
5
-
Fuse 5 on fuse holder F -SF5-
5 A 7.5 A
-
Navigation system with CD drive control unit -J401- Radio -R- Telephone transmitter and receiver unit -R36- TV tuner -R78- Aerial amplifier for mobile telephone -R86- Telephone bracket -R126- 18-pin connector, black -T18a-
30
6
-
Fuse 6 on fuse holder F -SF6-
5 A
-
Reversing camera system control unit -J772-
30
7
-
Fuse 7 on fuse holder F -SF7-
5 A
-
Aerial amplifier for mobile telephone -R86-
30
8
-
Fuse 8 on fuse holder F -SF8-
-
Not assigned
9
-
Fuse 9 on fuse holder F -SF9-
-
Not assigned
10
-
Fuse 10 on fuse holder F -SF10-
-
Not assigned
11
-
Fuse 11 on fuse holder F -SF11-
-
Not assigned
12
-
Fuse 12 on fuse holder F -SF12-
-
Not assigned
AUDI A5 2008 Relay/ fuse holder F SF from August 2011
Relay/fuse holder F -SF- from August 2011
Location, relay/fuse holder F -SF- from August 2011:
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