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AUDI A4 2002 – Audi A4 (1.6 l fuel injection engine, 74 kW, Simos, 4-cylinder) engine codes AHL . Wiring diagrams, Pin Connector, Location

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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
T1aSingle connector, blue, in engine compartment
T6z6-pin connector, red, connector point, electronics box, plenum chamber
T1010-pin connector, brown, connector point, electronics box, plenum chamber
   11 Earth point, in battery box
   83 Earth connection -1-, in front right wiring harness
   121 Earth connection -2-, in front right wiring harness
   A17 Connection (61), in dash panel wiring harness
   A86 Positive (+) connection (50a), in dash panel wiring harness

Wiring Diagram AUDI A4 2002 - Simos control unit - fuel pump relay - air mass meter - injectors



Wiring Diagram AUDI A4 2002 - Simos control unit - fuel pump relay - air mass meter - injectors https://portal-diagnostov.com/license.html
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G70Air mass meter
J17Fuel pump relay
J361Simos control unit
N30Injector, cylinder 1
N31Injector, cylinder 2
N32Injector, cylinder 3
N33Injector, cylinder 4
N80Activated charcoal filter system solenoid valve 1
N156Intake manifold change-over valve
T6z6-pin connector, red, connector point, electronics box, plenum chamber
T10z10-pin connector, yellow, connector point, electronics box, plenum chamber
   D22 Connection (87a for injectors), in engine compartment wiring harness, right
   D23 Connection (87F), in engine compartment wiring harness, right

Wiring Diagram AUDI A4 2002 - Simos control unit - knock sensor - coolant temperature sender



Wiring Diagram AUDI A4 2002 - Simos control unit - knock sensor - coolant temperature sender https://portal-diagnostov.com/license.html
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E87Control and display unit for air conditioner
G2Coolant temperature sender
G61Knock sensor I
G62Coolant temperature sender
J361Simos control unit
T3o3-pin connector, green, in engine compartment, left
T1010-pin connector, brown, connector point, electronics box, plenum chamber
T10m10-pin connector, black, connector point, electronics box, plenum chamber
T10v10-pin connector, brown, right connector point, A pillar
T10z10-pin connector, yellow, connector point, electronics box, plenum chamber
   83 Earth connection -1-, in front right wiring harness
   121 Earth connection -2-, in front right wiring harness
   199 Earth connection -3-, in dash panel wiring harness
   220 Earth connection (sender earth), in engine wiring harness
   A27 Connection (speed signal), in dash panel wiring harness
*Only models with air conditioner
**Only models with automatic gearbox

Wiring Diagram AUDI A4 2002 - Simos control unit - throttle valve control unit - lambda probe - hall sender



Wiring Diagram AUDI A4 2002 - Simos control unit - throttle valve control unit - lambda probe - hall sender https://portal-diagnostov.com/license.html
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E15Heated rear window switch
G39Lambda probe
G40Hall sender
J189Auto-check system
J217Automatic gearbox control unit
J226Starter inhibitor and reversing light relay
J338Throttle valve control unit
J361Simos control unit
T4y4-pin connector, black, in engine compartment, right
T1010-pin connector, brown, connector point, electronics box, plenum chamber
T10v10-pin connector, brown, right connector point, A pillar
T10x10-pin connector, blue, right connector point, A pillar
T10y10-pin connector, blue, connector point, electronics box, plenum chamber
Z19Lambda probe heater
   220 Earth connection (sender earth), in engine wiring harness
   A64 Connection (rpm boost), in dash panel wiring harness
   D3 Connection (consumption sender, 5V), in front right wiring harness
*Only models with automatic gearbox
**Does not apply to models with air conditioner
***Only models with auto-check system

Wiring Diagram AUDI A4 2002 - Simos control unit - ignition system - engine speed sender



Wiring Diagram AUDI A4 2002 - Simos control unit - ignition system - engine speed sender https://portal-diagnostov.com/license.html
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F4Reversing light switch
G28Engine speed sender
J361Simos control unit
NIgnition coil
N122Final output stage 1
N128Ignition coil 2
PSpark plug connector
QSpark plugs
T3m3-pin connector, grey, in engine compartment, left
T4l4-pin connector, black, on ignition coil
T6z6-pin connector, red, connector point, electronics box, plenum chamber
T1010-pin connector, brown, connector point, electronics box, plenum chamber
T10m10-pin connector, black, connector point, electronics box, plenum chamber
   83 Earth connection -1-, in front right wiring harness
   121 Masseverbindung -2-, im Leitungsstrang vorn rechts
   A2 Positive (+) connection (15), in dash panel wiring harness
   A20 Connection (15a), in dash panel wiring harness
   A45 Connection (engine speed signal), in dash panel wiring harness
   A70 Connection (15a, fuse 231), in dash panel wiring harness
*Only models with manual gearbox

Wiring Diagram AUDI A4 2002 - Dash panel insert - vehicle speed sender - fuel gauge sender - fuel pump - oil pressure switch - combi-processor in dash panel insert



Wiring Diagram AUDI A4 2002 - Dash panel insert - vehicle speed sender - fuel gauge sender - fuel pump - oil pressure switch - combi-processor in dash panel insert https://portal-diagnostov.com/license.html
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F1Oil pressure switch
F66Coolant shortage indicator switch
GFuel gauge sender
G6Fuel pump (pre-supply pump)
G22Speedometer sender (Hall sender, on gearbox)
J218Combi-processor in dash panel insert
K2Alternator warning lamp
T6e6-pin connector, blue, left connector point, A pillar
T10a10-pin connector, brown, left connector point, A pillar
T10m10-pin connector, black, connector point, electronics box, plenum chamber
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, green, on dash panel insert
   32 Earth point, behind dash panel, left
   83 Earth connection -1-, in front right wiring harness
   86 Earth connection -1-, in rear wiring harness
   135 Earth connection -2-, in dash panel wiring harness
   A32 Positive (+) connection (30), in dash panel wiring harness
   A50 Positive (+) connection (30as), in dash panel wiring harness