SKODA OCTAVIA II 2005 — 2.0 ltr. — Motronic/110 kW, Engine identification characters BLR, As of November 2004 . Wiring diagrams, Pin Connector, Location

Wiring Diagram SKODA OCTAVIA II 2005 - Battery - starter - alternator - E box

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
SA1	Fuse -1- (30), in the E box
T2t	2-pin connector, in engine compartment, front left (on vehicles with heating)
T4n	4-pin connector, in engine compartment, front left (on vehicles with Climatic / Climatronic)
T8a	8-pin connector, on the onboard power supply control unit (black)
1	Earth strap, battery body
12	Earth point, on left in engine compartment (at longitudinal member)
14	Earth point, on gearbox
*	on vehicles with alternator 90A / 110A
**	on vehicles with alternator 140A

Wiring Diagram SKODA OCTAVIA II 2005 - Terminal 50 voltage supply relay - E box

J682	Terminal 50 voltage supply relay, in the E box
SB15	Fuse -15-, in the E box
SB26	Fuse -26-, in the E box
SB35	Fuse -35-, in the E box
SB49	Fuse -49-, in the E box
SB51	Fuse -51-, in the E box
T8a	8-pin connector, on the onboard power supply control unit (black)
T11a	11-pin connector, on the onboard power supply control unit (black)
T26b	26-pin connector, at the E box
T40a	40-pin connector, at the E box
374	Earth connection -9-, in interior wiring harness
B239	Positive connection -1- (50), in interior wiring harness
B240	Positive connection -2- (50), in interior wiring harness
D78	Positive connection -1- (30a), in engine compartment wiring harness

Wiring Diagram SKODA OCTAVIA II 2005 - E box

J217	Automatic gearbox control unit, below the front left mud wing
J329	Terminal 15 voltage supply relay, in the E box
SB27	Fuse -27-, in the E box
SB28	Fuse -28-, in the E box
SB29	Fuse -29-, in the E box
SB39	Fuse -39-, in the E box
SB41	Fuse -41-, in the E box
SB42	Fuse -42-, in the E box
SB43	Fuse -43-, in the E box
T14a	14-pin connector, on front left in engine compartment (black)
T26b	26-pin connector, at the E box
T40a	40-pin connector, at the E box
*	only on vehicles with extended servicing intervals (ESI)
**	only on vehicles with automatic Gearbox

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic current supply relay - E box

J271	Motronic current supply relay, in the E box
J293	Radiator fan control unit
SB6	Fuse -6-, in the E box
SB7	Fuse -7-, in the E box
SB8	Fuse -8-, in the E box
SB9	Fuse -9-, in the E box
SB10	Fuse -10-, in the E box
SB11	Fuse -11-, in the E box
T4p	4-pin connector, in the holder on the left radiator
T14a	14-pin connector, on front left in engine compartment (black)
T26b	26-pin connector, at the E box
T40a	40-pin connector, at the E box
D101	Connection (87a), in engine compartment wiring harness

Wiring Diagram SKODA OCTAVIA II 2005 - E box

SB12	Fuse -12-, in the E box
SB32	Fuse -32-, in the E box
SB33	Fuse -33-, in the E box
SB44	Fuse -44-, in the E box
SB45	Fuse -45-, in the E box
SB46	Fuse -46-, in the E box
T26b	26-pin connector, at the E box
T40a	40-pin connector, at the E box

Wiring Diagram SKODA OCTAVIA II 2005 - Fuse holder

SC14	Fuse -14-, in fuse holder
SC27	Fuse -27-, in fuse holder
SC29	Fuse -29-, in fuse holder
T12d	12-pin connector, in plenum chamber (blue)
A20	Positive connection -1- (15a), in dash panel wiring harness
B315	Positive connection -1- (30a), in interior wiring harness

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit

J220	Motronic control unit
T12d	12-pin connector, in plenum chamber (blue)
T14a	14-pin connector, on front left in engine compartment (black)
T94a	94-pin connector, at engine control unit
131	Earth connection -2-, in engine compartment wiring harness
607	Earth point, on left in plenum chamber
673	Earth point -3-, on left in engine compartment (at longitudinal member)
D180	Connection -1- (87a), in engine compartment wiring harness
**	only on vehicles with automatic Gearbox

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - accelerator pedal position sender

G79	Accelerator pedal position sender
G185	Accelerator pedal position sender -2-
J220	Motronic control unit
T6l	6-pin connector, at accelerator pedal position sender
T12e	12-pin connector, in plenum chamber (green)
T94a	94-pin connector, at engine control unit

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - throttle valve control unit

G186	Throttle valve drive
G187	Throttle valve drive angle sender -1-
G188	Throttle valve drive angle sender -2-
J220	Motronic control unit
J338	Throttle valve control unit
T6o	6-pin connector, on the throttle valve control unit
T60a	60-pin connector, at engine control unit
D174	Connection -2- (5V), in engine wiring harness

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - engine speed sender - camshaft position sender - coolant temperature sender at radiator outlet

G28	Engine speed sender
G40	Camshaft position sender
G83	Coolant temperature sender at radiator outlet
J220	Motronic control unit
J293	Radiator fan control unit
T3l	3-pin connector, at engine speed sender
T3m	3-pin connector, at camshaft position sender
T4p	4-pin connector, in the holder on the left radiator
T12d	12-pin connector, in plenum chamber (blue)
T12e	12-pin connector, in plenum chamber (green)
T60a	60-pin connector, at engine control unit
T94a	94-pin connector, at engine control unit
220	Earth connection (sender earth), in engine wiring harness
316	Earth connection (sender earth) -2- in engine wiring harness
D141	Connection (5V), in engine wiring harness
*	only on vehicles with optional equipment, depending upon the type of radiator fan

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - knock sensor I - knock sensor II - coolant temperature sender

G61	Knock sensor I
G62	Coolant temperature sender
G66	Knock sensor Il
J220	Motronic control unit
T3c	3-pin connector, at knock sensor I
T60a	60-pin connector, at engine control unit
316	Earth connection (sender earth) -2- in engine wiring harness

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - lambda probe - lambda probe -2-

G39	Lambda probe
G108	Lambda probe -2-
J220	Motronic control unit
T6n	6-pin connector, at the lambda probe (black), at the front wall, left
T6u	6-pin connector, at the lambda probe -2- (brown), at the front wall, left
T94a	94-pin connector, at engine control unit
D182	Connection -3- (87a), in engine compartment wiring harness

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - lambda probe after catalytic converter - lambda probe -2- after catalytic converter

G130	Lambda probe after catalytic converter
G131	Lambda probe -2- after catalytic converter
J220	Motronic control unit
T4r	4-pin connector, at the lambda probe after catalytic converter
T4z	4-pin connector, at the lambda probe -2- after catalytic converter
T94a	94-pin connector, at engine control unit
D181	Connection -2- (87a), in engine compartment wiring harness

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - lambda probe -3- after catalytic converter - intake manifold flap motor

G287	Lambda probe -3- after catalytic converter
G336	Intake manifold flap potentiometer
J220	Motronic control unit
T4a	4-pin connector, at the lambda probe -3- after catalytic converter (black)
T6t	6-pin connector, at intake manifold flap motor
T60a	60-pin connector, at engine control unit
T94a	94-pin connector, at engine control unit
V157	Intake manifold flap motor
220	Earth connection (sender earth), in engine wiring harness
D141	Connection (5V), in engine wiring harness
D181	Connection -2- (87a), in engine compartment wiring harness

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - injection valves

J220	Motronic control unit
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
T8s	8-pin connector, in the holder at the cylinder head
T60a	60-pin connector, at engine control unit

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - exhaust gas recirculation valve - intake air temperature sender and intake manifold pressure

G42	Intake air temperature sender
G71	Intake manifold pressure sender
G212	Exhaust gas recirculation potentiometer
J220	Motronic control unit
N18	Exhaust gas recirculation valve
T4t	4-pin connector, at intake air temperature sender and intake manifold pressure
T6p	6-pin connector, at exhaust gas recirculation valve
T60a	60-pin connector, at engine control unit
220	Earth connection (sender earth), in engine wiring harness
D141	Connection (5V), in engine wiring harness

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - fuel pressure sender - fuel pressure sender for low pressure - intake air temperature sender -2-

G247	Fuel pressure sender
G299	Intake air temperature sender -2-
G410	Fuel pressure sender for low pressure
J220	Motronic control unit
T3a	3-pin connector, at fuel pressure sender for low pressure
T3z	3-pin connector, at fuel pressure sender
T60a	60-pin connector, at engine control unit
T94a	94-pin connector, at engine control unit
220	Earth connection (sender earth), in engine wiring harness
327	Earth connection (sender earth), in engine compartment wiring harness
D141	Connection (5V), in engine wiring harness

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - map-controlled engine cooling thermostat - activated charcoal filter system solenoid valve -camshaft adjustment valve -1- - fuel pressure regulating valve - intake manifold flap valve

F265	Map-controlled engine cooling thermostat
J220	Motronic control unit
N80	Activated charcoal filter system solenoid valve
N205	Inlet camshaft timing adjustment valve -1-
N276	Fuel pressure regulating valve
N316	Intake manifold flap valve
T14a	14-pin connector, on front left in engine compartment (black)
T60a	60-pin connector, at engine control unit
D173	Connection (87a), in engine wiring harness

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - ignition system

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	Spark plug
T4t	4-pin connector, at ignition coil 1
T4u	4-pin connector, at ignition coil 2
T4v	4-pin connector, at ignition coil 3
T4w	4-pin connector, at ignition coil 4
T60a	60-pin connector, at engine control unit
15	Earth point, on cylinder head
281	Earth connection -1-, in engine wiring harness
306	Earth connection (ignition coils), in engine harness
D35	Positive connection -1- (15a), in engine wiring harness

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - brake servo pressure sensor - brake vacuum pump

G294	Brake servo pressure sensor
J220	Motronic control unit
T4y	4-pin connector, at brake servo pressure sensor
T6s	6-pin connector, at the brake vacuum pump
T94a	94-pin connector, at engine control unit
V192	Vacuum pump for brakes
327	Earth connection (sender earth), in engine compartment wiring harness
**	only on vehicles with automatic Gearbox

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - brake pedal switch - clutch position sender

F	Brake light switch
F47	Brake pedal switch
G476	Clutch position sender
J220	Motronic control unit
J527	Steering column electronics control unit
T4c	4-pin connector, at brake pedal switch
T5j	5-pin connector, at clutch position sender
T12d	12-pin connector, in plenum chamber (blue)
T12e	12-pin connector, in plenum chamber (green)
T16a	16-pin connector, on the onboard power supply control unit (black)
T20a	20-pin connector, at steering column electronics control unit
T94a	94-pin connector, at engine control unit
367	Earth connection -2-, in interior wiring harness
A18	Connection (54), in dash panel wiring harness
B318	Positive connection -4- (30a), in interior wiring harness
B350	Positive connection -1- (87a), in interior wiring harness
*	not valid for vehicles with automatic gearbox Gearbox
**	only on vehicles with GRA

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - fuel pump control unit - fuel gauge sender - fuel pump

G	Fuel gauge sender
G6	Fuel pump
J220	Motronic control unit
J538	Fuel pump control unit
T5k	5-pin connector, on the fuel pump
T10o	10-pin connector, at fuel pump control unit
T11a	11-pin connector, on the onboard power supply control unit (black)
T12d	12-pin connector, in plenum chamber (blue)
T94a	94-pin connector, at engine control unit
366	Earth connection -1-, in interior wiring harness
B278	Positive connection -2- (15a), in interior wiring harness

Wiring Diagram SKODA OCTAVIA II 2005 - Motronic control unit - data bus diagnostic interface - dash panel insert - warning lamps - coolant temperature gauge

G3	Coolant temperature gauge
J220	Motronic control unit
J285	Control unit in dash panel insert
J533	Data bus diagnostic interface, below dash panel, centre
K	Dash panel insert
K28	Coolant temperature and coolant shortage indicator warning lamp
T12d	12-pin connector, in plenum chamber (blue)
T12e	12-pin connector, in plenum chamber (green)
T16b	16-pin connector, for diagnostic connection, below dash panel, left
T20c	20-pin connector, at data bus diagnostic interface
T36a	36-pin connector, at dash panel insert
T94a	94-pin connector, at engine control unit
A27	Connection (speed signal), in dash panel wiring harness
A76	Connection (diagnosis wire K), in dash panel wiring harness
B383	Connection -1- (CAN H, drive), in interior wiring harness
B390	Connection -1- (CAN L, drive), in interior wiring harness

Wiring Diagram SKODA OCTAVIA II 2005 - Dash panel insert - warning lamps - fuel gauge - rev. counter - speedometer - oil pressure switch - oil level/oil temperature sender

F1	Oil pressure switch
G1	Fuel gauge
G5	Rev. Counter
G21	Speedometer
G266	Oil level/oil temperature sender
J285	Control unit in dash panel insert
K	Dash panel insert
K3	Oil pressure warning lamp
K38	Oil level warning lamp
K83	Exhaust emissions warning lamp
K105	Fuel reserve warning lamp
K132	Electronic power control fault lamp
T6j	6-pin connector, on front left in engine compartment (black)
T14a	14-pin connector, on front left in engine compartment (black)
T36a	36-pin connector, at dash panel insert
269	Earth connection (sender earth) -1-, in dash panel wiring harness
374	Earth connection -9-, in interior wiring harness
*	only on vehicles with extended servicing intervals (ESI)