SEAT TOLEDO 2000 — 1.4 litre/55 kW — 4CV, engine codes AHW . Wiring diagrams, Pin Connector, Location

Wiring Diagram SEAT TOLEDO 2000 - Battery - starter - alternator - voltage regulator - ignition/starter switch - X contact relief relay

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
D	Ignition/starter switch
J59	X contact relief relay
S10	Fuse in fuse box/relay plate
S11	Fuse in fuse box/relay plate
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
S237	Fuse in fuse box
T2k	2-pin connector, on engine
T4l	4-pin connector, on engine
T6l	6-pin connector, brown, in protective housing for connectors, in plenum chamber, left
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
500	Screw connection -1- (30), on relay plate
501	Screw connection -2- (30), on relay plate
502	Screw connection -1- (30a), on relay plate
*	Only models with air conditioner
**	Only models up to October 2001
***	Only models from November 2001

Wiring Diagram SEAT TOLEDO 2000 - 4CV control unit (injection system) - coolant temperature sender - hall sender - ignition transformer - spark plug connector - flame plug

G2	Coolant temperature sender (01039)
G40	Hall sender (00515-2113)
G62	Sender for coolant temperature (00522-2312)
J448	4CV control unit (injection system)
N152	Ignition transformer
P	Spark plug connector
Q	Flame plug
T4r	4 pin connector
T6l	6 pin connector, brown, on the protective housing, on the water case, left side
T14a	14 pin connector, in the cable channel, left side
T80	80 pin connector
85	Earth connection -1-, in engine compartment wiring loom
220	Earth connection (sender earth), in engine wiring loom
A104	Positive connection -2- (15), in dash panel wiring harness
D101	Connection -1-, in engine compartment wiring loom

Wiring Diagram SEAT TOLEDO 2000 - 4CV control unit (injection system) - throttle valve control unit - idling switch - engine speed sender

E35	Switch for air conditioner
F60	Idling switch (00516-2121)
G28	Engine speed sender (00513-2111)
G69	Throttle valve potentiometer (00518-2212)
G88	Throttle valve positioner - potentiometer (00530-2124)
J255	Control unit for Climatronic (01320)
J293	Control unit for radiator fan (00831)
J338	Throttle valve control unit (01165)
J448	4CV control unit (injection system)
V60	Throttle valve positioner (00282-1232)
T3d	3 pin connector, near the admission tube
T8m	8 pin connector
T8l	8 pin connector
T10	10 pin connector, orange, in the protective body of connections, in the water case, left side
T12e	12 pin connector
T14	14 pin connector
T16b	16 pin connector
T80	80 pin connector
220	Earth connection (sender earth), in engine wiring loom

Wiring Diagram SEAT TOLEDO 2000 - 4CV (injection system) control unit - intake air temperature sender - knock sensor 1 - intake manifold pressure sender - injector cylinder 1

G42	Intake air temperature sender
G61	Knock sensor
G71	Intake manifold pressure sender
J104	ABS with EDL control unit
J448	4CV (injection system) control unit
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
S232	Fuse in fuse box
T2r	2-pin connector, on cylinder head, left
T10d	10-pin connector, green, in protective housing for connectors, in plenum chamber, left
T14a	14-pin connector, in cable channel left
T25	25-pin connector
T47	47-pin connector
T80	80-pin connector
10	Earth point, in plenum chamber
220	Earth connection (sender earth), in engine wiring harness
B168	Connection (86), in interior wiring harness
D95	Connection (injectors), in engine compartment wiring harness
D102	Connection -2-, in engine compartment wiring harness

Wiring Diagram SEAT TOLEDO 2000 - 4CV (injection system) control unit - lambda probe - activated charcoal filter system solenoid valve 1 - exhaust gas recirculation frequency valve

G39	Lambda probe
J17	Fuel pump relay
J234	Airbag control unit
J448	4CV (injection system) control unit
N80	Activated charcoal filter system solenoid valve 1 (pulsed)
N121	Exhaust gas recirculation frequency valve
Z19	Lambda probe heater
T4p	4-pin connector, centre in engine compartment
T6l	6-pin connector, brown, in protective housing for connectors, in plenum chamber, left
T10	10-pin connector, orange, in protective housing for connectors, in plenum chamber, left
T75	75-pin connector, behind the centre console
T80	80-pin connector
10	Earth point, in plenum chamber
A27	Connection (speed signal), in dash panel wiring harness
A125	Connection (crash signal), in dash panel wiring harness
E30	Connection (87a), in engine wiring harness
*	Only models with multi-function display
**	Wire W for self-diagnosis
***	Only models up to October 2001

Wiring Diagram SEAT TOLEDO 2000 - Fuel gauge sender - coolant shortage indicator - fuel pump (pre-supply pump)

G	Fuel gauge sender (00771-3113)
G6	Fuel pump (pre-supply pump)
G32	Coolant shortage indicator
S228	Fuse in fuse box
S234	Fuse in fuse box
S243	Fuse in fuse box
T6l	6-pin connector, brown, in connector protective housing on plenum chamber, left side
T14a	14-pin connector, in wiring channel, left side
81	Earth connection -1-, in dash panel wiring harness
269	Earth connection (sensor 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
E30	Connection (87a), in engine wiring harness

Wiring Diagram SEAT TOLEDO 2000 - 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	Electric throttle operation warning lamp
S7	Fuses in relay plate/fuse box
T10	10-pin connector, orange, in connector protective housing on plenum chamber, left side
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
*	Self-diagnosis W line

Wiring Diagram SEAT TOLEDO 2000 - 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	Rev. counter (00662)
G21	Speedometer (00663)
J119	Multi-function display
J255	Climatronic control unit (01320)
J285	Control unit with display in dash panel insert (01317)
K105	Reserve fuel warning lamp (01082)
T6d	6-pin connector
T12d	12-pin connector, in the Climatronic
T16b	16-pin connector
T32	32-pin connector, blue, in dash panel
T32a	32-pin connector, green, in dash panel
A13	Connection (door contact switch), in dash panel wiring harness
A27	Connection (speed signal), in dash panel wiring harness
*	Only vehicles with M.F.I.