Wiring Diagram SEAT TOLEDO 2001 - Battery - starter - alternator - voltage regulator - ignition/starter switch - X contact relief relay

| A | Battery (00532) |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J59 | X contact relief relay |
| S10 | Fuses in fuse box/relay plate |
| S162 | Fuse -1- (30) in fuse box/battery |
| S163 | Fuse -2- (30) in fuse box/battery |
| S176 | Fuse -4- (30) in fuse box/battery |
| S177 | Fuse -5- (30) in fuse box/battery |
| S229 | Fuse in fuse box |
| T2k | 2-pin connector, on engine |
| T4l | 4-pin connector, on engine |
| T6l | 6-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 TOLEDO 2001 - Motronic control unit - ignition coil 1 with output stage - ignition coil 2 with output stage - ignition coil 3 with output stage - ignition coil 4 with output stage
| J220 | Motronic control unit |
| N70 | Ignition coil 1 with output stage |
| N127 | Ignition coil 2 with output stage |
| N291 | Ignition coil 3 with output stage |
| N292 | Ignition coil 4 with output stage |
| P | Spark plug connector |
| Q | Flame plugs |
| T4o | 4-pin connector |
| T4q | 4-pin connector |
| T4v | 4-pin connector |
| T4w | 4-pin connector |
| T6l | 6-pin connector, brown, on connector protective housing, on plenum chamber, left side |
| T14a | 14-pin connector, in wiring channel, left side |
| T121 | 121-pin connector |
| 15 | Earth point, on cylinder head |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 281 | Earth connection -1-, in engine pre-wiring wiring harness |
| A104 | Positive connection -2- (15), in dash panel wiring harness |
| D52 | Positive connection (15a), in engine compartment wiring harness |
Wiring Diagram SEAT TOLEDO 2001 - Motronic control unit - coolant temperature sender - knock sensor I - ignition coil 5 with output stage
| G2 | Coolant temperature sender (01039) |
| G61 | Knock sensor I (00524-2142) |
| G62 | Coolant temperature sender (00522-2312) |
| J220 | Motronic control unit |
| N323 | Ignition coil 5 with output stage |
| P | Spark plug connector |
| Q | Flame plugs |
| T3e | 3-pin connector, near intake manifold |
| T4y | 4-pin connector |
| T10d | 10-pin connector, green, on connector protective housing, on plenum chamber, left side |
| T14a | 14-pin connector, in wiring channel, left side |
| T121 | 121-pin connector |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 139 | Earth connection (sender earth), in Motronic wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| 281 | Earth connection -1-, in engine pre-wiring wiring harness |
| D52 | Positive connection (15a), in engine compartment wiring harness |
Wiring Diagram SEAT TOLEDO 2001 - Motronic control unit - throttle valve control unit - engine revs sender - throttle valve drive (electric accelerator operation) - knock sensor II
| G28 | Engine revs sender (00513-2111) |
| G66 | Knock sensor II (00540-2144) |
| G186 | Throttle valve drive (electric accelerator operation) |
| G187 | Throttle valve drive angle sender -1- (electric accelerator operation) |
| G188 | Throttle valve drive angle sender -2- (electric accelerator operation) |
| J220 | Motronic control unit |
| J293 | Radiator fan control unit (00831) |
| J338 | Throttle valve control unit (01165) |
| T2r | 2-pin connector, on cylinder head, left side |
| T3b | 3-pin connector, on radiator |
| T6n | 6-pin connector |
| T10 | 10-pin connector, orange, on connector protective housing, on plenum chamber, left side |
| T14 | 14-pin connector |
| T121 | 121-pin connector |
| 139 | Earth connection (sender earth), in Motronic wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
Wiring Diagram SEAT TOLEDO 2001 - Motronic control unit - power steering pressure switch - accelerator position sender - accelerator pedal position sender -2- - hall sender - hall sender 2
| F88 | Power steering pressure switch (00557) |
| G40 | Hall sender (00515-2113) |
| G79 | Accelerator position sender (00777-3131) |
| G163 | Hall sender 2 (01122) |
| G185 | Accelerator pedal position sender -2- |
| J220 | Motronic control unit |
| J255 | Climatronic control unit (01320) |
| J293 | Radiator fan control unit (00831) |
| T6m | 6-pin connector, on accelerator pedal |
| T10 | 10-pin connector, orange, on connector protective housing, on plenum chamber, left side |
| T10h | 10-pin connector, blue, on connector protective housing, on plenum chamber, left side |
| T12e | 12-pin connector |
| T14 | 14-pin connector |
| T16b | 16-pin connector |
| T121 | 121-pin connector |
| 220 | Earth connection (electronic earth), in engine wiring harness |
| D106 | Connection -4-, in engine compartment wiring harness |
Wiring Diagram SEAT TOLEDO 2001 - Motronic control unit - injector cylinder 1 - injector cylinder 2 - injector cylinder 3 - injector cylinder 4 - injector cylinder 5
| J220 | Motronic control unit |
| N30 | Injector cylinder 1 (01249-4411) |
| N31 | Injector cylinder 2 (01250-4412) |
| N32 | Injector cylinder 3 (01251-4413) |
| N33 | Injector cylinder 4 (01252-4414) |
| N83 | Injector cylinder 5 (01253-4421) |
| S232 | Fuse in fuse holder |
| T10 | 10-pin connector, orange, in the connec. protective housing, in the plenum chamber, left side |
| T10d | 10-pin connector, green, in the connec. protective housing, in the plenum chamber, left side |
| T14a | 14-pin connector, in the wire channel, left side |
| T121 | 121-pin connector |
| 10 | Earth point, in plenum chamber |
| 131 | Earth connection -2-, in engine compartment wiring harness |
| D95 | Connection (injectors), in engine compartment wiring harness |
| * | Self-diagnosis line W |
Wiring Diagram SEAT TOLEDO 2001 - Motronic control unit - lambda probe - lambda probe after catalyst - activated charcoal filter system solenoid valve 1 - lambda probe heater
| G39 | Lambda probe (00525-2342) |
| G130 | Lambda probe after catalyst (00699) |
| J220 | Motronic control unit |
| J299 | Secondary air pump relay (01264-4311) |
| N80 | Activated charcoal filter system solenoid valve I (01247-4343) (pulsed) |
| T4p | 4-pin connector, in the engine compartment, centre |
| T6q | 6-pin connector, in the exhaust pipe |
| T121 | 121-pin connector |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe 1 heater, after catalyst |
| D108 | Connection -6-, in engine compartment wiring harness |
| E7 | Positive connection (87a), in Motronic wiring harness |
Wiring Diagram SEAT TOLEDO 2001 - Motronic control unit - air mass meter - secondary air pump motor - secondary air injection valve
| G70 | Air mass meter (00553-2324) |
| J104 | ABS with EDL control unit |
| J220 | Motronic control unit |
| N112 | Secondary air injection valve (01235-4313) |
| V101 | Secondary air pump motor |
| T10d | 10-pin connector, green, on connector protective housing, on plenum chamber, left side |
| T25 | 25-pin connector |
| T47 | 47-pin connector |
| T121 | 121-pin connector |
| 131 | Earth connection -2-, in engine compartment wiring harness |
| 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 TOLEDO 2001 - Motronic control unit - charge pressure control solenoid valve - camshaft control valve -1- - intake manifold change-over valve - engine temperature sender
| G27 | Engine temperature sender (01204) |
| J17 | Fuel pump relay (01259-4433) |
| J220 | Motronic control unit |
| J234 | Airbag control unit (01321) |
| N75 | Charge pressure control solenoid valve (01262-4442) |
| N156 | Intake manifold change-over valve (01243-4334) |
| N205 | Camshaft control valve -1- |
| T6l | 6-pin connector, brown, on connector protective housing, on plenum chamber, left side |
| T10 | 10-pin connector, orange, on connector protective housing, on plenum chamber, left side |
| T75 | 75-pin connector, behind central console |
| T121 | 121-pin connector |
| 85 | Earth connection -1-, in engine compartment 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 |
Wiring Diagram SEAT TOLEDO 2001 - Fuel gauge sender - fuel pump (pre-supply pump) - coolant shortage indicator sender
| G | Fuel gauge sender (00771-3113) |
| G6 | Fuel pump (pre-supply pump) |
| G32 | Coolant shortage indicator sender |
| S228 | Fuse in fuse box |
| S234 | Fuse in fuse box |
| S243 | Fuse in fuse box |
| T6l | 6-pin connector, brown, on connector protective housing, on plenum chamber, left side |
| T14a | 14-pin connector, in wiring channel, left side |
| 135 | Earth connection -2-, 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 TOLEDO 2001 - Control unit with display in dash panel insert - oil pressure switch - speedometer sender - oil pressure warning buzzer - alternator warning lamp
| F1 | Oil pressure switch |
| G22 | Speedometer sender (01086) |
| H11 | Oil pressure warning buzzer |
| J285 | Control unit with display in dash panel insert (01317) |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp (00755) |
| K28 | Coolant temperature/coolant shortage warning lamp |
| K83 | Exhaust emissions warning lamp |
| K132 | Electronic accelerator drive warning lamp |
| S7 | Fuses in fuse box/relay plate |
| T14a | 14-pin connector, in wiring channel, left side |
| T32 | 32-pin connector, blue, in dash panel insert |
| T32a | 32-pin connector, green, in dash panel insert |
| 10 | Earth point, in plenum chamber |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| B163 | Positive connection -1- (15), in interior wiring harness |
Wiring Diagram SEAT TOLEDO 2001 - Control unit with display in dash panel insert - multi-function display - multi-function display call-up button - multi-function display memory switch
| E86 | Multi-function display call-up button |
| E109 | Multi-function display memory switch |
| G1 | Fuel gauge (00664) |
| G3 | Coolant temperature gauge |
| G5 | Revs counter (00662) |
| G21 | Speedometer (00663) |
| J119 | Multi-function display |
| J285 | Control unit with display in dash panel insert (01317) |
| K105 | Fuel level warning lamp (01082) |
| T6d | 6-pin connector |
| T32 | 32-pin connector, blue, in dash panel insert |
| T32a | 32-pin connector, green, in dash panel insert |
| A13 | Connection (door contact switch) in dash panel wiring harness |
| A27 | Connection (speed signal) in dash panel wiring harness |
| * | Vehicles with MFI only |
| ** | Self-diagnosis W line |
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