Audi TT (2007 year). Instruction - page 76

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.

8J0-003100806

113

114

115

116

117

118

119

120

121

122

123

124

125

126

J

623

T40/86

ws/li

0,35

220

br/bl

0,35

220

D141

3

2

G

40

sw

0,35

1

T40/87

br/bl

0,35

3

2

G

163

sw

0,35

1

gn/li

0,35

ϑ

br/bl

0,35

2

T40/93

gn

0,35

1

G

62

T40/108

br/bl

0,35

sw

0,35

T40/98

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Engine control unit, Hall sender, coolant temperature

sender

G40 Hall sender

G62 Coolant temperature sender

G163 Hall sender 2

J623 Engine control unit

T40 40-pin connector, black, on engine control unit

220 Earth connection (sender earth), in engine wiring harness

D141 Connection (5V), in engine wiring harness

Audi TT

Current Flow Diagram

No. 3 / 10

Edition 10.2010

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.

8J0-003110909

127

128

129

130

131

132

133

134

135

136

137

138

139

140

J

623

ws

1,0

T81/5

T

6c/3

G

39

Z

19

T

6c/4

bl/ro

1,0

ro/gn

0,35

T81/52

T

6c/1

li

0,35

T81/71

T

6c/5

li/ge

0,35

T81/51

T

6c/2

li/bl

0,35

T81/70

T

6c/6

br/gn

0,35

T81/63

T

4b/2

G

130

Z

29

T

4b/1

bl/ro

1,0

ro/ge

0,35

T81/68

T

4b/3

ro/bl

0,35

T81/69

T

4b/4

130

sw/ge

4,0

245

SB

1

15A

1

sw/ge

2,5

248

ro/sw

1,5

ST2

253

ro/sw

1,5

1a

SB

2

10A

2

sw/ge

2,5

128

bl/ro

1,0

2a

135

bl/ro

1,0

5A

3

sw/ge

2,5

3a

144

sw/gn

0,5

SB

3

10A

4

sw/ge

2,5

141

ws/li

1,0

SB

4

147

ws/li

1,0

4a

B275

131

br/gn

1,0

245

253

248

128

135

144

141

147

130

131

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Engine control unit, lambda probe, lambda probe heater

after catalytic converter, lambda probe heater, lambda

probe 1 heater after catalytic converter, fuses

G39 Lambda probe

G130 Lambda probe after catalytic converter

J623 Engine control unit

SB1 Fuse 1 on fuse holder B

SB2 Fuse 2 on fuse holder B

SB3 Fuse 3 on fuse holder B

SB4 Fuse 4 on fuse holder B

T4b 4-pin connector, black, on Lambda probe after catalytic

converter

T6c 6-pin connector, black, on Lambda probe

T81 81-pin connector, black, on engine control unit

Z19 Lambda probe heater

Z29 Lambda probe 1 heater after catalytic converter

B275 Positive connection (87), in main wiring harness

Audi TT

Current Flow Diagram

No. 3 / 11

Edition 10.2010

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.

8J0-003121010

141

142

143

144

145

146

147

148

149

150

151

152

153

154

J

623

li

1,0

T81/4

T

6i/3

G

108

Z

28

T

6i/4

ws/li

1,0

li/gn

0,35

T81/15

T

6i/1

br/ge

0,35

T81/14

T

6i/5

li/sw

0,35

T81/12

T

6i/2

sw

0,35

T81/13

T

6i/6

br/bl

0,35

T81/6

T

4f/2

G

131

Z

30

T

4f/1

ws/li

1,0

gn/bl

0,35

T81/10

T

4f/3

gn/br

0,35

T81/11

T

4f/4

133

134

br/bl

1,0

gr/ge

0,35

T81/26

T5b/1

sw/gn

0,5

T5b/2

br/gn

0,35

T81/27

T5b/3

br/gr

0,35

bl

0,35

T81/29

T5b/5

G

70

132

G

609

br/gr

1,0

T

14

/14

br

1,0

T

14

/13

gr

0,35

T81/74

T

14/11

3/+

1/31

4

br/gr

1,0

br

1,0

gr

1,0

gr

1,0

151

155

br/gr

0,35

B488

T81/53

T5b/4

br/gr

0,35

br/gr

1,0

151

ro/bl

0,35

li/bl

0,35

li/ge

0,35

ro/ge

0,35

li/bl

0,35

ro/gn

0,35

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

#

132

151

151

155

133

134

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Engine control unit, lambda probe 2, lambda probe 2 after

catalytic converter, lambda probe 2 heater, lambda probe

2 heater after catalytic converter, air mass meter,

secondary air injection sensor 1

G70 Air mass meter

G108 Lambda probe 2

G131 Lambda probe 2 after catalytic converter

G609 Sender 1 for secondary air pressure

J623 Engine control unit

T4f

4-pin connector, brown, on Lambda probe 2 after catalytic

converter

T5b 5-pin connector, black, on air mass meter

T6i

6-pin connector, brown, on the Lambda probe 2

T14 14-pin connector, black, on front left in engine compartment

T81 81-pin connector, black, on engine control unit

Z28 Lambda probe heater 2

Z30 Lambda probe 2 heater after catalytic converter

B488 Connection 24 in main wiring harness

*

Only models with emissions concept LEV2 (7GA)

#

up to May 2008

##

from June 2008

Audi TT

Current Flow Diagram

No. 3 / 12

Edition 10.2010

Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.

8J0-003130410

155

156

157

158

159

160

161

162

163

164

165

166

167

168

J

623

sw/li

1,0

T40

/117

M

T6b/3

M+

J

338

G

186

G

187

G

188

br/li

1,0

T40

/118

li/br

0,35

T40/91

bl/gn

0,35

T40/92

gn/ge

0,35

T40/84

sw/gn

0,35

T40/83

T6b/6

T6b/2

T6b/4

T6b/1

T6b/5

M--

gn/ge

0,35

G

79

G

185

T81/36

gn/gr

0,35

T81/35

ws/gr

0,35

T81/34

gn/ro

0,35

T81/33

ws/ro

0,35

T81/72

gr/sw

0,35

T6o/3

T6o/4

T6o/6

T6o/5

T6o/1

ϑ

br

0,35

T81/17

ge

0,35

1

G

83

J

527

E

45

+

--

S1

S2

--

+

sw/ws

0,35

T81/38

T20c/13

ge/gn

0,35

ge/gn

0,35

B486

T6o/2

T81/73

ge/gn

0,35

T

12m

/10

##

##

##

br

0,35

br

0,35

B487

#

#

2

T81/50

br

1,0

#

152

bl/sw

1,0

br/sw

1,0

ge/gr

0,35

ge/br

0,35

br

0,35

sw

0,35

✱✱

✱✱

✱✱

✱✱

✱✱

✱✱

152

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Engine control unit, radiator outlet coolant temperature

sender, throttle valve module, accelerator position sender

E45 Cruise control system switch

G79 Accelerator position sender

G83 Radiator outlet coolant temperature sender

G185 Accelerator position sender 2

G186 Throttle valve drive (electric power control)

G187 Throttle valve drive angle sender 1 for electric throttle

G188 Throttle valve drive angle sender 2 for electric throttle

J338 Throttle valve module

J527 Steering column electronics control unit

J623 Engine control unit

T6b 6-pin connector, black, on throttle valve module

T6o 6-pin connector, black, on accelerator position sender

T12m 12-pin connector, brown, in luggage compartment, rear right

T20c 20-pin connector, black, connector A, on steering column

electronics control unit

T40 40-pin connector, black, on engine control unit

T81 81-pin connector, black, on engine control unit

B486 Connection 22 in main wiring harness

B487 Connection 23 in main wiring harness

*

models with cruise control system

**

phased-in modification

#

Only models with emissions concept LEV2 (7GA)

##

from June 2007

Audi TT

Current Flow Diagram

No. 3 / 13

Edition 10.2010

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