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WI-XML
Audi A3
Page 1 of 8
Current Flow Diagram
No. 93 / 1
Edition 09.1999
Air conditioner with automatic control
From model year 2000
Fuse box:
From fuse number 23 upwards the fuses in the fuse box are designated as 223 etc. in the Current Flow Diagram.
Main fuse box/battery:
Position of fuses:
S131 - Fuse 1
S132 - Fuse 2
S133 - Fuse 3
S134 - Fuse 4
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S138 - Fuse 5
S162 - 1 in fuse box/battery
S163 - 2 in fuse box/battery
S164 - 3 in fuse box/battery
Fuse colours
30 A - green
25 A - white
20 A - yellow
15 A - blue
10 A - red
5A - beige
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WI-XML
Audi A3
Page 3 of 8
No. 93 / 2
Current Flow Diagram
Air conditioner with automatic control
D
- Ignition/starter switch
E87
- Control and display unit for air conditioner
J126 - Fresh air blower control unit
S1
- Fuse in fuse box
S5
- Fuse in fuse box
S225 - Fuse in fuse box
T12a - 12-pin connector, behind dash panel, right
T17
- 17-pin connector, behind dash panel, right
V2
- Fresh air blower
V42
- Temperature sensor blower
Z20
- Heater element, left washer jet
Z21
- Heater element, right washer jet
- Earth point, lower part of left A-pillar
44
188
B135
L2
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white
black
red
brown
green
blue
grey
purple
yellow
orange
pink
L59
- Earth connection -3-, in air conditioner wiring
harness
- Connection (15a), in interior wiring harness
- Connection, in air conditioner wiring harness
- Positive (+) connection (30), in heater unit wiring
harness
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Audi A3
Page 4 of 8
No. 93 / 3
Current Flow Diagram
Air conditioner with automatic control
E18
- Rear fog light switch
E87
- Control and display unit for air conditioner
J218 - Combi-processor in dash panel insert
T12a - 12-pin connector, behind dash panel, right
T17
- 17-pin connector, behind dash panel, right
T32
- 32-pin connector, blue, on dash panel insert
T32a - 32-pin connector, green, on dash panel insert
W6
- Glove box light
- Earth connection -3-, in interior wiring harness
277
A45
- Connection (engine speed signal), in dash panel
wiring harness
A76
- Connection (diagnosis wire K), in dash panel wiring
harness
A108
- Connection (engine speed signal), in dash panel
wiring harness
B116
B117
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white
black
red
brown
green
blue
grey
purple
yellow
orange
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- Connection (58d), in interior wiring harness
- Connection (58a, right), in interior wiring harness
B145
- Positive (+) connection (58b), in interior wiring
harness
B211
- Connection -1- (Climatronic rear), in interior wiring
harness
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Audi A3
Page 5 of 8
No. 93 / 4
Current Flow Diagram
Air conditioner with automatic control
E87
- Control and display unit for air conditioner
G92
- Control motor potentiometer, temperature flap
G112 - Control motor potentiometer, central flap
G113 - Control motor potentiometer, air flow flap
G114 - Control motor potentiometer, footwell/defroster flap
T10x - 10-pin connector, orange, in plenum chamber
T17
- 17-pin connector, behind dash panel, right
V68
- Temperature flap control motor
V70
- Central flap control motor
V71
- Air flow flap control motor
V85
- Footwell/defroster flap control motor
- Earth connection -1-, in air conditioner wiring
97
harness
L31
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- Connection (5V), in air conditioner wiring harness
- See applicable engine version
white
black
red
brown
green
blue
grey
purple
yellow
orange
pink
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Audi A3
Page 6 of 8
No. 93 / 5
Current Flow Diagram
Air conditioner with automatic control
E87
- Control and display unit for air conditioner
G17
- Ambient temperature sensor
G56
- Dash panel temperature sensor
G89
- Fresh air intake duct temperature sensor
G107 - Sunlight penetration photosensor
G192 - Vent temperature sender, footwell
S16
- Fuse in fuse box
T12a - 12-pin connector, behind dash panel, right
T17
- 17-pin connector, behind dash panel, right
- Earth connection -1-, in air conditioner wiring
97
harness
112
249
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- Earth connection -2-, in air conditioner wiring
harness
- Earth connection -2-, in interior wiring harness
A98
- Positive (+) connection -4- (30a), in dash panel
wiring harness
B156
- Positive (+) connection -4- (30a), in interior wiring
harness
white
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red
brown
green
blue
grey
purple
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orange
pink
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Audi A3
Page 7 of 8
No. 93 / 6
Current Flow Diagram
Air conditioner with automatic control
A
- Battery
C
- Alternator
C1
- Voltage regulator
F18
- Radiator fan thermo-switch
F54
- Radiator fan thermo-switch
J248 - Diesel direct injection system control unit
J293 - Radiator fan control unit
J361 - Simos control unit
S133 - Fuse 3
S138 - Fuse 5
S164 - Fuse -3- (30), in fuse box/battery
T3e
- 3-pin connector, black, on main fuse box/battery
T4b
- 4-pin connector, in engine compartment, left
T10
- 10-pin connector, white, in plenum chamber
T10a - 10-pin connector, green, in plenum chamber
- Earth point, in battery box
11
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white
black
red
brown
green
blue
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purple
yellow
orange
pink
188
- Earth connection -3-, in air conditioner wiring
harness
A68
- Connection (30, air conditioner), in dash panel
wiring harness
L26
- Connection (radiator fan), in engine compartment Climatronic wiring harness
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- Applies to engine codes APF only
- Does not apply to engine codes APF
- See applicable engine version
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Audi A3
Page 8 of 8
No. 93 / 7
Current Flow Diagram
Air conditioner with automatic control
G65
- High pressure sender
J293 - Radiator fan control unit
N25
- Air conditioning system magnetic coupling
T2g
- 2-pin connector, near compressor
T4b
- 4-pin connector, in engine compartment, left
T10x - 10-pin connector, orange, in plenum chamber
T14
- 14-pin connector, in engine compartment, left
V7
- Radiator fan
V51
- Continued circulation of coolant pump
- Earth connection -3-, in air conditioner wiring
188
harness
B209
- Connection (Climatronic sender), in interior wiring
harness
L26
- Connection (radiator fan), in engine compartment Climatronic wiring harness
L43
- Connection (radiator fan), in air conditioner/radiator
fan wiring harness
*
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Applies to engine code APF only
Does not apply to engine code APF
Only to engine code APY
See applicable engine version
white
black
red
brown
green
blue
grey
purple
yellow
orange
pink
4/5/2015