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SEAT LEON 2002 – 1.8 l – Motronic/92 kW, engine code letters APG . Wiring diagrams, Pin Connector, Location

Wiring Diagram SEAT LEON 2002 - Battery - starter - alternator - voltage regulator - ignition/starter switch - X contact relief relay



Wiring Diagram  SEAT LEON 2002 - Battery - starter - alternator - voltage regulator - ignition/starter switch - X contact relief relay https://portal-diagnostov.com/license.html
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ABattery (00532)
BStarter
CAlternator
C1Voltage regulator
DIgnition/starter switch
J59X contact relief relay
S10Fuses in fuse box/relay plate
S162Fuse -1- (30) in fuse box/battery
S163Fuse -2- (30) in fuse box/battery
S176Fuse -4- (30) in fuse box/battery
S177Fuse -5- (30) in fuse box/battery
S229Fuse in fuse box
T2k2-pin connector, on engine
T4l4-pin connector, on engine
T6l6-pin connector, brown, on connector protective housing, on plenum chamber, left side
  500 Bolted connection -1- (30), in relay plate
  501 Bolted connection -2- (30), in relay plate
  502 Bolted connection -1- (30a), in relay plate
  A2 Positive connection (15), in dash panel wiring harness
  A32 Positive connection (30), in dash panel wiring harness
  A41 Positive connection (50), in dash panel wiring harness
*Vehicles with air conditioner only

Wiring Diagram SEAT LEON 2002 - Motronic control unit - charge pressure sender - hall sender - terminal 30 voltage supply relay - ignition transformer - spark plug connector - spark plugs



Wiring Diagram  SEAT LEON 2002 - Motronic control unit - charge pressure sender - hall sender - terminal 30 voltage supply relay - ignition transformer - spark plug connector - spark plugs https://portal-diagnostov.com/license.html
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G31Charge pressure sender
G40Hall sender (00515-2113)
J220Motronic control unit
J317Terminal 30 voltage supply relay (01054)
N152Ignition transformer
PSpark plug connector
QSpark plugs
T2nd2-pin connector
T4r4-pin connector
T6l6-pin connector, brown, in protective housing for connectors, in plenum chamber, left side
T14a14-pin connector, in wiring channel, left side
T121121-pin connector
  10 Earth point, in plenum chamber
  85 Earth connection -1-, in engine compartment wiring harness
  220 Earth connection, (electronic earth), in Climatronic wiring harness
  A104 Positive connection -2- (15), in dash panel wiring harness
  D75 Positive connection -2- (30), in wiring harness engine compartment
  D133 Connection (hall sender signal), in engine compartment wiring harness
  D134 Connection (revs signal), in dash panel wiring harness

Wiring Diagram SEAT LEON 2002 - Motronic control unit - coolant temperature sender - knock sensor I - knock sensor II



Wiring Diagram  SEAT LEON 2002 - Motronic control unit - coolant temperature sender - knock sensor I - knock sensor II https://portal-diagnostov.com/license.html
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G2Coolant temperature sender (01039)
G61Knock sensor I (00524-2142)
G62Coolant temperature sender (00522-2312)
G66Knock sensor II (00540-2144)
J220Motronic control unit
T3e3-pin connector near intake manifold
T3f3-pin connector near intake manifold
T10d10-pin connector, green, in protective housing for connectors, in plenum chamber, left side
T14a14-pin connector, in wiring channel, left side
T121121-pin connector
  139 Earth connection (electronic earth), in Motronic wiring harness
  220 Earth connection, (electronic earth), in Climatronic wiring harness

Wiring Diagram SEAT LEON 2002 - Motronic control unit - throttle valve control unit - engine revs sender - throttle valve drive (electric throttle operation)



Wiring Diagram  SEAT LEON 2002 - Motronic control unit - throttle valve control unit - engine revs sender - throttle valve drive (electric throttle operation) https://portal-diagnostov.com/license.html
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G28Engine revs sender (00513-2111)
G186Throttle valve drive (electric throttle operation)
G187Throttle drive angle sender -1- (electric throttle operation)
G188Throttle drive angle sender -2-
J220Motronic control unit
J293Radiator fan control unit (00831)
J338Throttle valve control unit (01165)
T3b3-pin connector on radiator
T6n6-pin connector
T1010-pin connector, orange on connector protective housing, in plenum chamber, left side
T1414-pin connector
T121121-pin connector
  220 Earth connection, (electronic earth), in Climatronic wiring harness
*Vehicles with MFI only

Wiring Diagram SEAT LEON 2002 - Motronic control unit - power steering pressure switch - accelerator position sender - accelerator pedal position sender -2-



Wiring Diagram  SEAT LEON 2002 - Motronic control unit - power steering pressure switch - accelerator position sender - accelerator pedal position sender -2- https://portal-diagnostov.com/license.html
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F88Power steering pressure switch (00557)
G79Accelerator position sender (00777-3131)
G185Accelerator pedal position sender -2-
J220Motronic control unit
J255Climatronic control unit (01320)
J293Radiator fan control unit (00831)
T6m6-pin connector, in accelerator pedal
T1010-pin connector, orange on connector protective housing, in plenum chamber, left side
T10h10-pin connector, blue, in protective housing for connectors, in plenum chamber, left side
T12e12-pin connector
T1414-pin connector
T16b16-pin connector
T121121-pin connector
  10 Earth point, in plenum chamber
  131 Earth connection -2-, in dash panel wiring harness engine compartment

Wiring Diagram SEAT LEON 2002 - Motronic control unit - injector cylinder 1 - injector cylinder 2 - injector cylinder 3 - injector cylinder 4



Wiring Diagram  SEAT LEON 2002 - Motronic control unit - injector cylinder 1 - injector cylinder 2 - injector cylinder 3 - injector cylinder 4 https://portal-diagnostov.com/license.html
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J220Motronic control unit
N30Injector - cylinder 1 (01249-4411)
N31Injector - cylinder 2 (01250-4412)
N32Injector - cylinder 3 (01251-4413)
N33Injector - cylinder 4 (01252-4414)
S232Fuse in fuse box
T1010-pin connector, orange on connector protective housing, in plenum chamber, left side
T10d10-pin connector, green, in protective housing for connectors, in plenum chamber, left side
T14a14-pin connector, in wiring channel, left side
T121121-pin connector
  B168 Connection (86), in interior wiring harness
  D95 Connection (injectors) in wiring harness engine compartment
*Self-diagnosis line W

Wiring Diagram SEAT LEON 2002 - Motronic control unit - lambda probe - lambda probe after catalyst - secondary air pump relay - activated charcoal filter solenoid valve 1



Wiring Diagram  SEAT LEON 2002 - Motronic control unit - lambda probe - lambda probe after catalyst - secondary air pump relay - activated charcoal filter solenoid valve 1 https://portal-diagnostov.com/license.html
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G39Lambda probe (00525-2342)
G130Lambda probe after catalyst (00699)
J220Motronic control unit
J299Secondary air pump relay (01264-4311)
N80Activated charcoal filter solenoid valve 1 (01247-4343) (pulsed)
Z19Lambda probe heater
Z29Lambda probe 1 heater, after catalyst
T4p4-pin connector, in engine compartment, centre
T6q6-pin connector, in exhaust pipe
T121121-pin connector
  D108 Connection -6-, in engine compartment wiring harness
  E7 Positive connection (87a), in Motronic wiring harness

Wiring Diagram SEAT LEON 2002 - Motronic control unit - air mass meter - secondary air pump motor



Wiring Diagram  SEAT LEON 2002 - Motronic control unit - air mass meter - secondary air pump motor https://portal-diagnostov.com/license.html
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G70Air mass meter
J104ABS with EDL control unit
J220Motronic control unit
V101Secondary air pump motor
T10d10-pin connector, green, in protective housing for connectors, in plenum chamber, left
T2525-pin connector
T4747-pin connector
T121121-pin connector
  10 Earth point, in plenum chamber
  A121 Connection (high bus), in dash panel wiring harness
  A122 Connection (low bus), in dash panel wiring harness
  E30 Connection (87a), in engine wiring harness

Wiring Diagram SEAT LEON 2002 - Motronic control unit - charge pressure control solenoid valve - inlet camshaft timing adjustment valve -1- - turbocharger divert air valve



Wiring Diagram  SEAT LEON 2002 - Motronic control unit - charge pressure control solenoid valve - inlet camshaft timing adjustment valve -1- - turbocharger divert air valve https://portal-diagnostov.com/license.html
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DIgnition/starter switch
F36Clutch pedal switch
J17Fuel pump relay
J220Motronic control unit
J234Airbag control unit
N75Charge pressure control solenoid valve
N205Inlet camshaft timing adjustment valve -1-
N249Turbocharger divert air valve
T6l6-pin connector, brown, in protective housing for connectors, in plenum chamber, left
T1010-pin connector, orange, in protective housing for connectors, in plenum chamber, left
T10d10-pin connector, green, in protective housing for connectors, in plenum chamber, left
T7575-pin connector, behind the centre console
T121121-pin connector
  A20 Connection (15a), in dash panel wiring harness
  A27 Connection (speed signal), in dash panel wiring harness
  A125 Connection (crash signal), in dash panel wiring harness
  D102 Connection -2-, in engine compartment wiring harness
*Only models with manual gearbox

Wiring Diagram SEAT LEON 2002 - Fuel gauge sender - fuel pump (pre-supply pump) - coolant shortage indicator sender



Wiring Diagram  SEAT LEON 2002 - Fuel gauge sender - fuel pump (pre-supply pump) - coolant shortage indicator sender https://portal-diagnostov.com/license.html
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GFuel gauge sender (00771-3113)
G6Fuel pump (pre-supply pump)
G32Coolant shortage indicator sender
N79Heater element (crankcase breather)
S228Fuse in fuse box
S234Fuse in fuse box
S243Fuse in fuse box
T6l6-pin connector, brown, on connector protective housing, on plenum chamber, left side
T14a14-pin connector, in wiring channel, left side
  81 Earth connection -1-, in dash panel wiring harness
  269 Earth connection (electronic earth) -1-, in dash panel wiring harness
  504 Bolted connection -1- (87F), in relay plate
  A99 Connection -1- (87), in dash panel wiring harness
  A100 Connection -2- (87), in dash panel wiring harness

Wiring Diagram SEAT LEON 2002 - Control unit with display in dash panel insert - oil pressure switch - speedometer sender - oil pressure warning buzzer - alternator warning lamp



Wiring Diagram  SEAT LEON 2002 - Control unit with display in dash panel insert - oil pressure switch - speedometer sender - oil pressure warning buzzer - alternator warning lamp https://portal-diagnostov.com/license.html
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F1Oil pressure switch
G22Speedometer sender (01086)
H11Oil pressure warning buzzer
J285Control unit with display in dash panel insert (01317)
K2Alternator warning lamp
K3Oil pressure warning lamp (00755)
K28Coolant temperature/coolant shortage warning lamp
K83Exhaust emissions warning lamp
K132Electronic accelerator fault warning lamp
S7Fuses in fuse box/relay plate
T14a14-pin connector, in wiring channel, left side
T3232-pin connector, blue, in dash panel insert
T32a32-pin connector, green, in dash panel insert
  B163 Positive connection -1- (15), in interior wiring harness
*Vehicles with MFI only

Wiring Diagram SEAT LEON 2002 - Control unit with display in dash panel insert - multi-function display - Multi-function display call-up button - multi-function display - memory switch



Wiring Diagram  SEAT LEON 2002 - Control unit with display in dash panel insert - multi-function display - Multi-function display call-up button - multi-function display - memory switch https://portal-diagnostov.com/license.html
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E86Multi-function display call-up button
E109Multi-function display, memory switch
G1Fuel gauge
G3Coolant temperature gauge
G5Rev. counter
G21Speedometer
J119Multi-function display
J285Control unit with display in dash panel insert
K105Reserve fuel warning lamp
T5d5-pin connector, brown, connector point left C-pillar
T6d6-pin connector
T3232-pin connector, blue, on dash panel insert
T32a32-pin connector, on dash panel insert
  A13 Connection (door contact switch), in dash panel wiring harness
  A27 Connection (speed signal), in dash panel wiring harness
*Only models with multi-function display
**Wire W for self-diagnosis
***Only models up to April 2001
---Only models from Mai 2001