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Lupo Current Flow Diagram No. 63 / 1
Edition 08.2003
1.4 l/55 kW 4LV, engine code AUA
From December 2000
1.4 l/74 kW 4LV, engine code AUB
From December 2000
Relay locations on relay plate:
4 - J17 Fuel pump relay (441)
7 - J59 X-contact relief relay (100)
For alternatives to relay and fuse locations as well as multi-pin connector assignment see "Fitting locations" section.
Note!
The number in brackets behind the part designation denotes the control number on the housing.
Fuse colours
30 A - green
25 A - white
20 A - yellow
15 A - blue
10 A - red
7.5 A - brown
5 A - beige
3 A - lilac
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Lupo Current Flow Diagram No. 63 / 2
Battery, alternator, starter, radiator fan, radiator fan thermal switch
A - Battery
B - Starter
C - Alternator
C1 - Voltage regulator
D - Ignition/starter switch
F18 - Radiator fan thermal switch
J59 - X-contact relief relay
SA1 - Fuse -1- (30) on battery fuse holder
SA2 - Fuse -2- (30) on battery fuse holder
SA7 - Fuse -7- (30) on battery fuse holder
T3b - 3-pin connector
T4g - 4-pin connector, black
T5 - 5-pin connector, near starter
T10a - 10-pin connector, green, coupling station below relay carrier
T10d - 10-pin connector, red, coupling station below relay carrier
V7 - Radiator fan
- Earth strap, battery - body
1
- Earth point, on left in engine compartment
12
- Earth connection -4-, in engine compartment wiring harness
167
ws = white
sw = black - Screw connection -1- (30), on relay plate
ro = red 500
br = brown
gn = green - Screw connection -2- (30), on relay plate
bl = blue 501
gr = grey
li = purple - Screw connection -3- (30), on relay plate
ge = yellow 506
or = orange
rs = pink * - Not vehicles fitted with air conditioner
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Lupo Current Flow Diagram No. 63 / 3
4LV control unit (injection system), ignition system, engine speed
sender
D - Ignition/starter switch
G28 - Engine speed sender
J537 - 4LV control unit (injection system)
N152 - Ignition transformer
P - Spark plug connector
Q - Spark plugs
SB34 - Fuse - 34- on fuse box
SB36 - Fuse -36- on fuse box
T3e - 3-pin connector
T4b - 4-pin connector, black
T5h - 5-pin connector, on cylinder head, left
T10a - 10-pin connector, green, connector point under relay carrier
T14 - 14-pin connector, black, on cylinder head, left
T14a - 14-pin connector, brown, on cylinder head, left
T121 - 121-pin connector
- Earth point, in engine compartment, left
12
- Earth connection -5-, in engine compartment wiring harness
201
- Connection, in 4LV wiring harness
E39
ws = white
sw = black - Positive (+) connection -1- (15), in interior wiring harness
ro = red B163
br = brown
gn = green - Positive (+) connection -2- (15), in interior wiring harness
bl = blue B165
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Lupo Current Flow Diagram No. 63 / 4
4LV control unit (injection system), throttle valve control unit,
pedal value sender, intake manifold pressure sender, intake
manifold temperature sender, brake light switch, brake pedal
switch
F - Brake light switch
F63 - Brake pedal switch
G42 - Intake air temperature sender
G71 - Intake manifold pressure sender
G79 - Accelerator pedal position sender
G185 - Accelerator pedal position sender -2-
G186 - Throttle valve drive (electric throttle operation)
G187 - Throttle valve drive angle sender -1- (electric throttle
operation)
G188 - Throttle valve drive angle sender -2- (electric throttle
operation)
J338 - Throttle valve control unit
J537 - 4LV control unit (injection system)
SB15 - Fuse -15- on fuse box
SB24 - Fuse -24- on fuse box
T6a - 6-pin connector, black
T6b - 6-pin connector
T10 - 10-pin connector, white, connector point under relay carrier
T10s - 10-pin connector, grey, connector point under relay carrier
ws = white T14 - 14-pin connector, black, on cylinder head, left
sw = black
ro = red
T14a - 14-pin connector, brown, on cylinder head, left
br = brown T121 - 121-pin connector
gn = green - Earth connection -5-, in engine compartment wiring harness
bl = blue 201
gr = grey
li = purple - Earth connection -2-, in engine prewiring wiring harness
ge = yellow 283
or = orange
rs = pink - Connection -2- (54), in dash panel wiring harness
A89
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Lupo Current Flow Diagram No. 63 / 5
4LV control unit (injection system), Hall sender 1, coolant
temperature sender, injectors
G2 - Coolant temperature sender
G40 - Hall sender
G62 - Coolant temperature sender
J104 - ABS with EDL control unit
J537 - 4LV control unit (injection system)
N30 - Injector, cylinder 1
N31 - Injector, cylinder 2
N32 - Injector, cylinder 3
N33 - Injector, cylinder 4
SB3 - Fuse -3- in fuse box
T3 - 3-pin connector, on cylinder head, left
T5h - 5-pin connector, on cylinder head, left
T10a - 10-pin connector, green, connector point under relay carrier
T10s - 10-pin connector, grey, connector point under relay carrier
T14 - 14-pin connector, black, on cylinder head, left
T14a - 14-pin connector, brown, on cylinder head, left
T121 - 121-pin connector
- Earth point, in plenum chamber
10
- Earth connection -2-, in engine prewiring wiring harness
283
ws = white
sw = black - Connection (injectors), in engine compartment wiring harness
ro = red D95
br = brown
gn = green - Connection (high bus), in engine compartment wiring harness
bl = blue D159
gr = grey
li = purple - Connection (low bus), in engine compartment wiring harness
D160
ge = yellow
or = orange
rs = pink * - Only engine codes AUA
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Lupo Current Flow Diagram No. 63 / 6
4LV control unit (injection system), lambda probe I, lambda probe
II, activated charcoal filter system solenoid valve, exhaust gas
recirculation potentiometer, exhaust gas recirculation valve
E35 - Air conditioner switch
G39 - Lambda probe before catalyst
G65 - High pressure sender
G130 - Lambda probe after catalyst
G212 - Exhaust gas recirculation potentiometer
J293 - Radiator fan control unit
J362 - Immobilizer control unit
J537 - 4LV control unit (injection system)
N18 - Exhaust gas recirculation valve
N80 - Activated charcoal filter system solenoid valve 1
SB30 - Fuse -30- in fuse box
T4f - 4-pin connector, black
T5h - 5-pin connector
T6d - 6-pin connector
T6e - 6-pin connector
T10 - 10-pin connector, white
T10c - 10-pin connector, blue
T10d - 10-pin connector, red
T14 - 14-pin connector
T14a - 14-pin connector, brown
T121 - 121-pin connector
ws = white Z19 - Lambda probe heater
sw = black
ro = red Z29 - Lambda probe 1 heater, after catalyst
br = brown - Connection (air conditioner), in headlight/ air conditioner
gn = green C35
wiring harness
bl = blue
gr = grey - Positive (+) connection -2- (15a), in engine compartment
D136
li = purple wiring harness
ge = yellow
or = orange - Connection (87a), in engine wiring harness
E30
rs = pink
- Connection, in air conditioner wiring harness
L2
* - Models with air conditioner
** - From February 2001, engine codes AUA
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Lupo Current Flow Diagram No. 63 / 7
4LV control unit (injection system), knock sensor, fuel pump relay
D - Ignition/starter switch
G61 - Knock sensor I
J17 - Fuel pump relay
J234 - Airbag control unit, behind lower part of console
J537 - 4LV control unit (injection system)
T2 - 2-pin connector, black
T10d - 10-pin connector, red, coupling station below relay carrier
T10x - 10-pin connector, yellow, coupling station below relay carrier
T14 - 14-pin connector, black, on left of cylinder head
T121 - 121-pin connector
W - Front interior light
- Earth point, near selector mechanism
76
- Earth connection (screening), in engine compartment wiring
200
harness
- Positive connection -1- (30), in instruments wiring harness
A40
- Positive connection (50), in dash panel wiring harness
A41
- Connection (crash signal), in dash panel wiring harness
A125
ws = white
sw = black - Earth connection, in front left interior wiring harness
B102
ro = red
br = brown
gn = green - Positive connection -1- (TK), in interior wiring harness
B154
bl = blue
gr = grey
li = purple
* - Applies only when fitted with airbag and central locking
ge = yellow ** - Applies only when fitted with airbag but not central locking
or = orange
rs = pink
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Lupo Current Flow Diagram No. 63 / 8
Fuel pump, speedometer sender, fuel gauge sender, coolant
shortage indicator sender, heater element (crankcase breather)
G - Fuel gauge sender
G6 - Fuel pump
G22 - Speedometer sender
G32 - Coolant shortage indicator sender
N79 - Crankcase breather heater element
SB1 - Fuse -1- in fuse box
SB28 - Fuse -28- in fuse box
SB40 - Fuse -40- in fuse box
T5h - 5-pin connector, on left of cylinder head
T10a - 10-pin connector, green, coupling station below relay carrier
T10b - 10-pin connector, black, coupling station below relay plate
T10d - 10-pin connector, red, coupling station below relay carrier
T14 - 14-pin connector, black
T14a - 14-pin connector, brown
- Earth point, in plenum chamber
10
- Earth point, on left in luggage compartment
50
- Earth connection -2-, in engine compartment wiring harness
131
ws = white - Earth connection -1-, in engine pre-wiring wiring harness
sw = black 281
ro = red
br = brown - Positive connection -2- (15a), in interior wiring harness
B149
gn = green
bl = blue
gr = grey - Connection -1- (87), in dash panel wiring harness
A99
li = purple
ge = yellow
or = orange - Earth connection, in rear left interior wiring harness
B109
rs = pink
* - Only engine code AUA
** - From February 2001, engine code AUA
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Lupo Current Flow Diagram No. 63 / 9
Dash panel insert, oil pressure warning lamp, fuel gauge, rev.
counter, alternator warning lamp, coolant temperature/coolant
shortage warning lamp
F1 - Oil pressure switch
G1 - Fuel gauge
G3 - Coolant temperature gauge
G5 - Rev. counter
H11 - Oil pressure warning buzzer
J285 - Control unit with display in dash panel insert
K2 - Alternator warning lamp
K3 - Oil pressure warning lamp
K28 - Coolant temperature/coolant shortage warning lamp
K105 - Reserve fuel warning lamp
T10a - 10-pin connector, green, connector point under relay carrier
T10d - 10-pin connector, red, connector point under relay carrier
T14 - 14-pin connector, black, on cylinder head, left
T32 - 32-pin connector, blue
- Connection (speed signal), in dash panel wiring harness
A27
ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Lupo Current Flow Diagram No. 63 / 10
Dash panel insert, self-diagnosis connection, data bus diagnostic
interface
J285 - Control unit with display in dash panel insert
J533 - Data bus diagnostic interface control unit
K132 - Electronic power control fault lamp
T16 - 16-pin connector, self-diagnosis connection
T32 - 32-pin connector, blue
T32a - 32-pin connector, green
- Connection (diagnosis wire K), in dash panel wiring harness
A76
- Connection (high bus), in dash panel wiring harness
A121
- Connection (low bus), in dash panel wiring harness
A122
ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
