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AUDI A4 2002 – 1.8 litre – Motronic, 110 kW, 4-cylinder, engine code AWT . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI A4 2002 - Battery - starter - alternator



Wiring Diagram  AUDI A4 2002 - Battery - starter - alternator https://portal-diagnostov.com/license.html
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ABattery
BStarter
CAlternator
C1Voltage regulator
DIgnition/starter switch
F4Reversing light switch
S5Fuse in fuse box/relay plate
S7Fuse in fuse box/relay plate
S13Fuse in fuse box/relay plate
S231Fuse in fuse box
T1kSingle connector, black, in engine compartment, right
T2at2-pin connector, black, in engine compartment, right
T1010-pin connector, brown, connector point, electronics box, in plenum chamber
   11 Earth point, in battery box
   12 Earth point, in engine compartment, left
   83 Earth connection -1-, in front right wiring harness
   A2 Positive (+) connection (15), in dash panel wiring harness
   A32 Positive (+) connection (30), in dash panel wiring harness
   A70 Connection (15a, fuse 231), in dash panel wiring harness
   A86 Connection (50a), in dash panel wiring harness
*Does not apply to automatic gearbox

Wiring Diagram AUDI A4 2002 - Motronic control unit - fuel pump relay - injectors - secondary air inlet valve - activated charcoal filter system solenoid valve 1 - charge pressure control solenoid valve



Wiring Diagram  AUDI A4 2002 - Motronic control unit - fuel pump relay - injectors - secondary air inlet valve - activated charcoal filter system solenoid valve 1 - charge pressure control solenoid valve https://portal-diagnostov.com/license.html
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J17Fuel pump relay
J220Motronic control unit
N8By-pass air cut-off valve
N30Injector, cylinder 1
N31Injector, cylinder 2
N32Injector, cylinder 3
N33Injector, cylinder 4
N75Charge pressure control solenoid valve
N80Activated charcoal filter system solenoid valve 1
N112Secondary air inlet valve
S228Fuse in fuse box
S232Fuse in fuse box
S234Fuse in fuse box
T10m10-pin connector, black, connector point, electronics box, plenum chamber
T10ar10-pin connector, orange, connector point, electronics box, plenum chamber
T15m15-pin connector, red, connector point, electronics box, plenum chamber
   A20 Connection (15a), in dash panel wiring harness
   A45 Connection (engine speed signal), in dash panel wiring harness
   A152 Connection -5- (87), in dash panel wiring harness
   D22 Connection (via fuse 234), in front right wiring harness
   D95 Connection (injectors), in engine compartment wiring harness

Wiring Diagram AUDI A4 2002 - Motronic control unit - intake air temperature sender - coolant temperature senders - knock sensor



Wiring Diagram  AUDI A4 2002 - Motronic control unit - intake air temperature sender - coolant temperature senders - knock sensor https://portal-diagnostov.com/license.html
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E45Cruise control system switch
E87Control and display unit for air conditioner/Climatronic
G2Coolant temperature sender
G42Intake air temperature sender
G61Knock sensor I
G62Coolant temperature sender
G66Knock sensor II
J220Motronic control unit
T3n3-pin connector, blue, in engine compartment, left
T3o3-pin connector, green, in engine compartment, left
T6y6-pin connector, black, next to steering column
T1515-pin connector, white, connector point, electronics box, plenum chamber
T15m15-pin connector, red, connector point, electronics box, plenum chamber
   104 Earth connection, in front right wiring harness (sensor earth)
   220 Earth connection (sender earth), in engine wiring harness
   A100 Connection -2- (87), in dash panel wiring harness
*Only models with cruise control system
**Only models with air conditioner

Wiring Diagram AUDI A4 2002 - Motronic control unit - accelerator pedal position senders - Hall sender - engine speed sender



Wiring Diagram  AUDI A4 2002 - Motronic control unit - accelerator pedal position senders - Hall sender - engine speed sender https://portal-diagnostov.com/license.html
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G28Engine speed sender
G31Charge air pressure sender
G40Hall sender
G79Accelerator pedal position sender
G185Accelerator pedal position sender -2-
G294Brake servo pressure sensor
J220Motronic control unit
T3m3-pin connector, grey, in engine compartment, left
T6as6-pin connector, black, near accelerator pedal position sender
T1515-pin connector, white, connector point, electronics box, plenum chamber
   220 Earth connection (sender earth), in engine wiring harness
   D141 Connection (5V), in engine prewiring wiring harness
*Applicable up to model year 2000
**Applicable from model year 2001 (phased-in modification)
***Only models with automatic gearbox (from model year 2002)

Wiring Diagram AUDI A4 2002 - Motronic control unit - air mass meter - secondary air pump motor



Wiring Diagram  AUDI A4 2002 - Motronic control unit - air mass meter - secondary air pump motor https://portal-diagnostov.com/license.html
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FBrake light switch
F36Clutch pedal switch
G70Air mass meter
J220Motronic control unit
J299Secondary air pump relay
S130Secondary air pump fuse
T10ar10-pin connector, orange, connector point, electronics box, plenum chamber
T1515-pin connector, white, connector point, electronics box, plenum chamber
V101Secondary air pump motor
   12 Earth point, in engine compartment, left
   83 Earth connection -1-, in front right wiring harness
   200 Earth connection (screening), in engine compartment wiring harness
   A18 Connection (54), in dash panel wiring harness
   A104 Positive (+) connection -2- (15), in dash panel wiring harness
   A106 Connection -2- (86s), in dash panel wiring harness
   D101 Connection -1-, in engine compartment wiring harness
*Does not apply to automatic gearbox
**Only models with cruise control system

Wiring Diagram AUDI A4 2002 - Motronic control unit - throttle valve control unit - lambda probe



Wiring Diagram  AUDI A4 2002 - Motronic control unit - throttle valve control unit - lambda probe https://portal-diagnostov.com/license.html
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G39Lambda probe
G130Lambda probe downstream of catalytic converter
J220Motronic control unit
J234Airbag control unit
J338Throttle valve control unit
T3au3-pin connector, red, connector point, electronics box, plenum chamber
T4v4-pin connector, brown, in engine compartment, left
T6au6-pin connector, black, in engine compartment, left
T15m15-pin connector, red, connector point, electronics box, plenum chamber
Z19Lambda probe heater
Z29Lambda probe 1 heater, downstream of catalytic converter
   200 Earth connection (screening), in engine compartment wiring harness
   A121 Connection (high bus), in dash panel wiring harness
   A122 Connection (low bus), in dash panel wiring harness
   A125 Connection (crash signal), in dash panel wiring harness
*Applicable up to model year 2001
**Applicable from model year 2002
Data wire

Wiring Diagram AUDI A4 2002 - Motronic control unit - ignition coils with output stages



Wiring Diagram  AUDI A4 2002 - Motronic control unit - ignition coils with output stages https://portal-diagnostov.com/license.html
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J220Motronic control unit
N70Ignition coil 1 with output stage
N127Ignition coil 2 with output stage
N291Ignition coil 3 with output stage
N292Ignition coil 4 with output stage
PSpark plug connector
QSpark plugs
S229Fuse in fuse box
T1010-pin connector, brown, connector point, electronics box, plenum chamber
T10ar10-pin connector, orange, connector point, electronics box, plenum chamber
   18 Earth point, on cylinder block
   83 Earth connection -1-, in front right wiring harness
   A27 Connection (speed signal), in dash panel wiring harness
   A151 Connection -4- (87), in dash panel wiring harness
   D23 Connection (via fuse 229), in front right wiring harness

Wiring Diagram AUDI A4 2002 - Motronic control unit - Motronic current supply relay - vacuum pump for brakes



Wiring Diagram  AUDI A4 2002 - Motronic control unit - Motronic current supply relay - vacuum pump for brakes https://portal-diagnostov.com/license.html
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J220Motronic control unit
J271Motronic current supply relay
J569Brake servo relay
N205Inlet camshaft timing adjustment valve -1-
S205Fuse -2- (30)
S283Brake vacuum pump fuse
T3aa3-pin connector, white, connector point, electronics box, plenum chamber
T3au3-pin connector, red, connector point, electronics box, plenum chamber
T10m10-pin connector, black, connector point, electronics box, plenum chamber
T15m15-pin connector, red, connector point, electronics box, plenum chamber
V192Vacuum pump for brakes
   83 Earth connection -1-, in front right wiring harness
   A40 Positive (+) connection -1- (30), in dash panel wiring harness
   D50 Positive (+) connection (30), in engine compartment wiring harness
*Applicable up to model year 2001
**Applicable from model year 2002
***Only models with automatic gearbox (from model year 2002)

Wiring Diagram AUDI A4 2002 - Dash panel insert - coolant shortage indicator switch - fuel gauge sender - fuel pump - diagnostic connector



Wiring Diagram  AUDI A4 2002 - Dash panel insert - coolant shortage indicator switch - fuel gauge sender - fuel pump - diagnostic connector https://portal-diagnostov.com/license.html
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F66Coolant shortage indicator switch
GFuel gauge sender
G6Fuel pump
J218Combi-processor in dash panel insert
T6e6-pin connector, blue, left connector point, A pillar
T1010-pin connector, brown, connector point, electronics box, plenum chamber
T10a10-pin connector, brown, left connector point, A pillar
T10m10-pin connector, black, connector point, electronics box, plenum chamber
T10ao10-pin connector, white, left connector point, A pillar
T1616-pin connector, diagnostic connector
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
   86 Earth connection -1-, in rear wiring harness
   139 Earth connection (sender earth), in Motronic wiring harness
   269 Earth connection (sender earth) -1-, in dash panel wiring harness
   A76 Connection (diagnosis wire K), in dash panel wiring harness
*Output for signal earth

Wiring Diagram AUDI A4 2002 - Dash panel insert - warning lamps - speedometer sender - oil pressure switch - oil level/oil temperature sender



Wiring Diagram  AUDI A4 2002 - Dash panel insert - warning lamps - speedometer sender - oil pressure switch - oil level/oil temperature sender https://portal-diagnostov.com/license.html
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F1Oil pressure switch
G22Speedometer sender
G266Oil level/oil temperature sender
J218Combi-processor in dash panel insert
K2Alternator warning lamp
K132Electronic power control fault lamp
K149Engine electronics warning lamp
T1010-pin connector, brown, connector point, electronics box, plenum chamber
T10m10-pin connector, black, connector point, electronics box, plenum chamber
T10ar10-pin connector, orange, connector point, electronics box, plenum chamber
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
   83 Earth connection -1-, in front right wiring harness
   A17 Connection (61), in dash panel wiring harness
   A74 Connection (15a, fuse 5), in dash panel wiring harness
*Applicable up to model year 2000
**Applicable from model year 2001