SKODA OCTAVIA II 2010 — 1.4 ltr. — Motronic/90 kW, engine identification characters CAXA, As of May 2009 . Wiring diagrams, Pin Connector, Location

Wiring Diagram SKODA OCTAVIA II 2010 - Battery - starter - alternator - E box

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
J519	Onboard power supply control unit
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)
T52ac	52-pin connector, on the onboard power supply control unit (brown)
1	Earth strap, battery body
12	Earth point, on left in engine compartment (at longitudinal member)
14	Earth point, on gearbox
B177	Connection (61), in interior wiring harness
*	on vehicles with alternator 90A / 110A
**	on vehicles with alternator 140A

Wiring Diagram SKODA OCTAVIA II 2010 - Motronic current supply relay - E box

J271	Motronic current supply relay, in the E box
J519	Onboard power supply control unit
SB13	Fuse -13-, in the E box
SB14	Fuse -14-, in the E box
SB15	Fuse -15-, in the E box
SB21	Fuse -21-, in the E box
SB22	Fuse -22-, in the E box
T14a	14-pin connector, on front left in engine compartment (black)
T40a	40-pin connector, at the E box
*	not valid for vehicles with automatic gearbox
**	only on vehicles with automatic gearbox

Wiring Diagram SKODA OCTAVIA II 2010 - Additional coolant pump relay - E box

J293	Radiator fan control unit
J496	Additional coolant pump relay, in the E box
J519	Onboard power supply control unit
SB10	Fuse -10-, in the E box
SB20	Fuse -20-, in the E box
SB23	Fuse -23-, in the E box
SB24	Fuse -24-, in the E box
SB27	Fuse -27-, 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)
T40a	40-pin connector, at the E box
D78	Positive connection -1- (30a), in engine compartment wiring harness
D101	Connection (87a), in engine compartment wiring harness

Wiring Diagram SKODA OCTAVIA II 2010 - Fuse holder

J519	Onboard power supply control unit
SC1	Fuse -1-, in fuse holder
SC27	Fuse -27-, in fuse holder
SC29	Fuse -29-, in fuse holder
SC30	Fuse -30-, in fuse holder
SC31	Fuse -31-, in fuse holder
A20	Positive connection -1- (15a), in dash panel wiring harness
B280	Positive connection -4- (15a), in interior wiring harness
B315	Positive connection -1- (30a), in interior wiring harness

Wiring Diagram SKODA OCTAVIA II 2010 - Terminal 50 voltage supply relay - fuse holder

J519	Onboard power supply control unit
J682	Terminal 50 voltage supply relay, at relay holder below the onboard power supply control unit
SC2	Fuse -2-, in fuse holder
SC4	Fuse -4-, in fuse holder
T52ab	52-pin connector, on the onboard power supply control unit (white)
T52ac	52-pin connector, on the onboard power supply control unit (brown)
374	Earth connection -9-, in interior wiring harness
A20	Positive connection -1- (15a), in dash panel wiring harness
A38	Positive connection -2- (15a), in dash panel wiring harness
B239	Positive connection -1- (50), in interior wiring harness
B279	Positive connection -3- (15a), in interior wiring harness
*	only on vehicles with extended servicing intervals (ESI)

Wiring Diagram SKODA OCTAVIA II 2010 - Motronic control unit

J220	Motronic control unit
J519	Onboard power supply control unit
T14a	14-pin connector, on front left in engine compartment (black)
T94a	94-pin connector, at engine control unit
44	Earth point -1-, on lower part of left A-pillar
85	Earth connection -1-, in engine compartment wiring harness
131	Earth connection -2-, in engine compartment wiring harness
D180	Connection -1- (87a), in engine compartment wiring harness
**	only on vehicles with automatic gearbox

Wiring Diagram SKODA OCTAVIA II 2010 - Motronic control unit - accelerator pedal position sender

G79	Accelerator pedal position sender
G185	Accelerator pedal position sender -2-
J220	Motronic control unit
J519	Onboard power supply control unit
T6l	6-pin connector, at accelerator pedal position sender
T94a	94-pin connector, at engine control unit

Wiring Diagram SKODA OCTAVIA II 2010 - 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
J519	Onboard power supply control unit
T6o	6-pin connector, on the throttle valve control unit
T60a	60-pin connector, at engine control unit

Wiring Diagram SKODA OCTAVIA II 2010 - 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
J519	Onboard power supply 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
T60a	60-pin connector, at engine control unit
T94a	94-pin connector, at engine control unit
D141	Connection (5V), in engine wiring harness
D174	Connection -2- (5V), in engine wiring harness

Wiring Diagram SKODA OCTAVIA II 2010 - Motronic control unit - lambda probe - lambda probe after catalytic converter

G39	Lambda probe
G130	Lambda probe after catalytic converter
J220	Motronic control unit
J519	Onboard power supply control unit
T4ab	4-pin connector, at the lambda probe after catalytic converter (black), in the holder on the gearbox
T6r	6-pin connector, at the lambda probe (black), in the holder on the gearbox
T94a	94-pin connector, at engine control unit
D182	Connection -3- (87a), in engine compartment wiring harness

Wiring Diagram SKODA OCTAVIA II 2010 - Motronic control unit - injection valves

J220	Motronic control unit
J519	Onboard power supply control unit
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
T60a	60-pin connector, at engine control unit

Wiring Diagram SKODA OCTAVIA II 2010 - Motronic control unit - charge air pressure sender - intake air temperature sender -2- - intake manifold pressure sender - intake air temperature sender

G31	Charge air pressure sender
G42	Intake air temperature sender
G71	Intake manifold pressure sender
G299	Intake air temperature sender -2-
J220	Motronic control unit
J519	Onboard power supply control unit
T4g	4-pin connector, at charge air pressure sender
T4t	4-pin connector, at intake air temperature sender and intake manifold pressure
T60a	60-pin connector, at engine control unit
474	Earth connection (sender earth), in engine wiring harness
D141	Connection (5V), in engine wiring harness
D174	Connection -2- (5V), in engine wiring harness

Wiring Diagram SKODA OCTAVIA II 2010 - Motronic control unit - fuel pressure sender - knock sensor I - coolant temperature sender

G61	Knock sensor I
G62	Coolant temperature sender
G247	Fuel pressure sender
J220	Motronic control unit
J519	Onboard power supply control unit
T3z	3-pin connector, at fuel pressure sender
T60a	60-pin connector, at engine control unit
474	Earth connection (sender earth), in engine wiring harness
D174	Connection -2- (5V), in engine wiring harness

Wiring Diagram SKODA OCTAVIA II 2010 - Motronic control unit - activated charcoal filter system solenoid valve - camshaft adjustment valve -1- - fuel pressure regulating valve

J220	Motronic control unit
J519	Onboard power supply control unit
N80	Activated charcoal filter system solenoid valve
N205	Camshaft timing adjustment valve -1-
N276	Fuel pressure regulating 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 2010 - Motronic control unit - charge pressure control solenoid valve - turbocharger divert air valve - coolant circulation pump

J220	Motronic control unit
J519	Onboard power supply control unit
N75	Charge pressure control solenoid valve
N249	Turbocharger divert air valve
T60a	60-pin connector, at engine control unit
V50	Coolant circulation pump
281	Earth connection -1-, in engine wiring harness
D173	Connection (87a), in engine wiring harness

Wiring Diagram SKODA OCTAVIA II 2010 - Motronic control unit - ignition system

J220	Motronic control unit
J519	Onboard power supply 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
D189	Connection (87a), in engine wiring harness

Wiring Diagram SKODA OCTAVIA II 2010 - Motronic control unit - brake servo pressure sensor - brake vacuum pump

G294	Brake servo pressure sensor
J220	Motronic control unit
J519	Onboard power supply 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
**	only on vehicles with automatic gearbox

Wiring Diagram SKODA OCTAVIA II 2010 - Motronic control unit - brake pedal switch - clutch position sender

F	Brake light switch, at master brake cylinder
F47	Brake pedal switch, at master brake cylinder
G476	Clutch position sender
J220	Motronic control unit
J519	Onboard power supply control unit
J527	Steering column electronics control unit
T4c	4-pin connector, at brake pedal switch
T5j	5-pin connector, at clutch position sender
T20a	20-pin connector, at steering column electronics control unit
T52ac	52-pin connector, on the onboard power supply control unit (brown)
T94a	94-pin connector, at engine control unit
372	Earth connection -7-, in interior wiring harness
374	Earth connection -9-, in interior wiring harness
A18	Connection (54), in dash panel wiring harness
*	not valid for vehicles with automatic gearbox

Wiring Diagram SKODA OCTAVIA II 2010 - Motronic control unit - fuel pump control unit - fuel gauge sender - fuel pump

G	Fuel gauge sender
G6	Fuel pump
J220	Motronic control unit
J519	Onboard power supply control unit
J538	Fuel pump control unit
T5k	5-pin connector, on the fuel pump
T10o	10-pin connector, at fuel pump control unit
T52ab	52-pin connector, on the onboard power supply control unit (white)
T94a	94-pin connector, at engine control unit
366	Earth connection -1-, in interior wiring harness

Wiring Diagram SKODA OCTAVIA II 2010 - 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
J519	Onboard power supply control unit
J533	Data bus diagnostic interface, below dash panel, centre
K	Dash panel insert
K28	Coolant temperature and coolant shortage indicator warning lamp
T20c	20-pin connector, at data bus diagnostic interface
T32c	32-pin connector, at dash panel insert
T94a	94-pin connector, at engine control unit
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 2010 - 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
J519	Onboard power supply control unit
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)
T32c	32-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)