Wiring Diagram VW BORA 2003 - Battery - Starter - Alternator - Voltage regulator - Fuse 5 (30) - in battery fuse holder
A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
J59 | X-contact relief relay |
J226 | Starter inhibitor and reversing light relay |
S162 | Fuse 1 (30), in battery fuse holder |
S163 | Fuse 2 (30), in battery fuse holder |
S176 | Fuse 4 (30), in battery fuse holder |
S177 | Fuse 5 (30), in battery fuse holder |
T2e | 2-pin connector |
T6 | 6-pin connector |
500 | Threaded connection 1 (30), on relay plate |
502 | Threaded connection 1 (30a) on relay plate |
A41 | Positive connection (50), in dash panel wiring harness |
* | Only models with automatic gearbox |
*2 | Only models with manual gearbox |
Wiring Diagram VW BORA 2003 - Main relay
D | Ignition/starter switch |
J271 | Main relay |
S10 | Fuse 10 in fuse holder |
S229 | Fuse 29 in fuse holder |
S231 | Fuse 31 in fuse holder |
T2 | 2-pin connector |
T6 | 6-pin connector |
T14a | 14-pin connector |
501 | Threaded connection 2 (30), on relay plate |
A2 | Positive connection (15), in dash panel wiring harness |
A32 | Positive connection (30), in dash panel wiring harness |
A98 | Positive connection 4 (30), in dash panel wiring harness |
A104 | Positive connection 2 (15), in dash panel wiring harness |
D78 | Positive connection 1 (30a), in engine compartment wiring harness |
Wiring Diagram VW BORA 2003 - 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 - Spark plug connector - Spark plugs
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 plugs |
T4a | 4-pin connector |
T4b | 4-pin connector |
T4c | 4-pin connector |
T4d | 4-pin connector |
T121 | 121-pin connector |
15 | Earth point, on cylinder head |
85 | Earth connection 1, in engine compartment wiring harness |
281 | Earth point 1, engine prewiring harness |
D52 | Positive connection (15a), in engine compartment wiring harness |
D78 | Positive connection 1 (30a), in engine compartment wiring harness |
Wiring Diagram VW BORA 2003 - Motronic control unit
J217 | Automatic gearbox control unit |
J220 | Motronic control unit |
T10w | 10-pin connector |
T14a | 14-pin connector |
T68 | 68-pin connector |
T121 | 121-pin connector |
85 | Earth connection 1, in engine compartment wiring harness |
608 | Earth point, central in plenum chamber |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
* | see applicable current flow diagram for ABS |
*2 | Only models with automatic gearbox |
*3 | According to equipment |
Wiring Diagram VW BORA 2003 - Coolant temperature display sender - Charge pressure sender - Coolant temperature sender - Hall sender 2 - Motronic control unit - Charge pressure control solenoid valve - Camshaft control valve 1 - Turbocharger air recirculation valve
G2 | Coolant temperature display sender |
G31 | Charge pressure sender |
G62 | Coolant temperature sender |
G163 | Hall sender 2 |
J220 | Motronic control unit |
N75 | Charge pressure control solenoid valve |
N205 | Camshaft control valve 1 |
N249 | Turbocharger air recirculation valve |
T4g | 4-pin connector |
T14a | 14-pin connector |
T121 | 121-pin connector |
220 | Earth connection (sender earth), in engine wiring harness |
D101 | Connection 1 in engine compartment wiring harness |
D102 | Connection 2 in engine compartment wiring harness |
Wiring Diagram VW BORA 2003 - Intake air temperature sender - Knock sensor 1 - Throttle valve drive for electric throttle - Throttle valve drive angle sender 1 for electric throttle - Throttle valve drive angle sender 2 for electric throttle - Motronic control unit - Throttle valve module
G42 | Intake air temperature sender |
G61 | Knock sensor 1 |
G186 | Throttle valve drive for electric throttle |
G187 | Throttle valve drive angle sender 1 for electric throttle |
G188 | Throttle valve drive angle sender 2 for electric throttle |
J220 | Motronic control unit |
J338 | Throttle valve module |
T6a | 6-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 VW BORA 2003 - Power assisted steering pressure switch - Engine speed sender - Knock sensor 2 - Motronic control unit
F88 | Power assisted steering pressure switch |
G28 | Engine speed sender |
G66 | Knock sensor 2 |
J217 | Automatic gearbox control unit |
J220 | Motronic control unit |
T3f | 3-pin connector |
T10 | 10-pin connector |
T68 | 68-pin connector |
T121 | 121-pin connector |
131 | Earth connection 2, in engine compartment wiring harness |
139 | Earth connection (sender earth), in Motronic wiring harness |
220 | Earth connection (sender earth), in engine wiring harness |
608 | Earth point, central in plenum chamber |
* | Connection for air conditioning system |
*2 | Connection for radiator fan control unit |
*3 | Only models with automatic gearbox |
Wiring Diagram VW BORA 2003 - Lambda probe after catalytic converter - Motronic control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4
G130 | Lambda probe after catalytic converter |
J220 | Motronic control unit |
N30 | Injector, cylinder 1 |
N31 | Injector, cylinder 2 |
N32 | Injector, cylinder 3 |
N33 | Injector, cylinder 4 |
S232 | Fuse 32 in fuse holder |
T4f | 4-pin connector |
T14a | 14-pin connector |
T121 | 121-pin connector |
A101 | Connection 3 (87) in dash panel wiring harness |
D95 | Connection (injectors), in engine compartment wiring harness |
E30 | Connection (87a), in engine wiring harness |
Wiring Diagram VW BORA 2003 - Lambda probe - Accelerator position sender - Accelerator position sender 2 - Motronic control unit - Activated charcoal filter solenoid valve 1
G39 | Lambda probe |
G79 | Accelerator position sender |
G185 | Accelerator position sender 2 |
J220 | Motronic control unit |
N80 | Activated charcoal filter solenoid valve 1 |
T6b | 6-pin connector |
T6c | 6-pin connector |
T10h | 10-pin connector |
T121 | 121-pin connector |
E30 | Connection (87a), in engine wiring harness |
* | Wiring colour depends on equipment |
Wiring Diagram VW BORA 2003 - Cruise control system switch - Cruise control system (CCS) SET button - Air mass meter - Motronic control unit
E45 | Cruise control system switch |
E227 | Cruise control system (CCS) SET button |
G70 | Air mass meter |
J220 | Motronic control unit |
T10e | 10-pin connector |
T10s | 10-pin connector |
T121 | 121-pin connector |
A20 | Positive connection (15a), in dash panel wiring harness |
E30 | Connection (87a), in engine wiring harness |
Wiring Diagram VW BORA 2003 - Clutch pedal switch - Brake pedal switch - Motronic control unit - Engine speed governor control unit - Vacuum pump for brakes
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Brake pedal switch |
J220 | Motronic control unit |
J542 | Engine speed governor control unit |
S13 | Fuse 13 in fuse holder |
T6j | 6-pin connector |
T6k | 6-pin connector |
T10e | 10-pin connector |
T10g | 10-pin connector |
T10w | 10-pin connector |
T121 | 121-pin connector |
V192 | Vacuum pump for brakes |
A18 | Connection (54), in dash panel wiring harness |
A20 | Positive connection (15a), in dash panel wiring harness |
E30 | Connection (87a), in engine wiring harness |
U8 | Positive connection (15a), in automatic gearbox wiring harness |
* | Only models with manual gearbox |
*2 | Only models with automatic gearbox |
Wiring Diagram VW BORA 2003 - Motronic control unit - Secondary air pump relay - Secondary air inlet valve - Secondary air pump motor
J17 | Fuel pump relay |
J220 | Motronic control unit |
J234 | Airbag control unit |
J299 | Secondary air pump relay |
N112 | Secondary air inlet valve |
S51 | Fuse |
S130 | Secondary air pump fuse |
T2f | 2-pin connector |
T6 | 6-pin connector |
T10 | 10-pin connector |
T75 | 75-pin connector |
T121 | 121-pin connector |
V101 | Secondary air pump motor |
609 | Earth point, on right in plenum chamber |
A27 | Connection (speed signal), in dash panel wiring harness |
A125 | Connection (crash signal), in dash panel wiring harness |
D104 | Positive connection 2 (30a), in engine compartment wiring harness |
E30 | Connection (87a), in engine wiring harness |
* | Only models with automatic gearbox |
*2 | According to equipment |
Wiring Diagram VW BORA 2003 - Fuel gauge sender - Fuel system pressurisation pump - Coolant shortage indicator sender
G | Fuel gauge sender |
G6 | Fuel system pressurisation pump |
G32 | Coolant shortage indicator sender |
S228 | Fuse 28 in fuse holder |
S234 | Fuse 34 in fuse holder |
S243 | Fuse 43 in fuse holder |
T6 | 6-pin connector |
T14a | 14-pin connector |
42 | Earth point, next to steering column |
49 | Earth point, near ... |
135 | Earth connection 2, in dash panel wiring harness |
269 | Earth connection (sender earth) 1, in dash panel wiring harness |
504 | Threaded connection 1 (87), on relay plate |
A27 | Connection (speed signal), in dash panel wiring harness |
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 VW BORA 2003 - Oil pressure switch - Speedometer sender - Oil level and oil temperature sender - Control unit in dash panel insert
F1 | Oil pressure switch |
G22 | Speedometer sender |
G266 | Oil level and oil temperature sender |
J285 | Control unit in dash panel insert |
K3 | Oil pressure warning lamp |
K38 | Oil level warning lamp |
S5 | Fuse 5 in fuse holder |
S7 | Fuse 7 in fuse holder |
T14a | 14-pin connector |
T32 | 32-pin connector |
T32a | 32-pin connector |
A27 | Connection (speed signal), in dash panel wiring harness |
B163 | Positive connection 1 (15), in interior wiring harness |
Wiring Diagram VW BORA 2003 - Control unit in dash panel insert
G1 | Fuel gauge |
G3 | Coolant temperature gauge |
G5 | Rev. counter |
G21 | Speedometer |
H3 | Buzzer and gong |
J285 | Control unit in dash panel insert |
K2 | Alternator warning lamp |
K28 | Coolant temperature and coolant shortage warning lamp |
K105 | Reserve fuel warning lamp |
T12a | 12-pin connector |
T32 | 32-pin connector |
A13 | Connection (door contact switch), in dash panel wiring harness |
A27 | Connection (speed signal), in dash panel wiring harness |
* | Revolution signal from engine control unit |
Wiring Diagram VW BORA 2003 - Multifunction display call-up button - Multifunction display memory switch - Ambient temperature sensor - Control unit in dash panel insert
E86 | Multifunction display call-up button |
E109 | Multifunction display memory switch |
G17 | Ambient temperature sensor |
J119 | Multifunction indicator |
J285 | Control unit in dash panel insert |
J533 | Data bus diagnostic interface |
K31 | Cruise control system warning lamp |
K83 | Exhaust emissions warning lamp |
K132 | Electronic power control fault lamp |
T6e | 6-pin connector |
T16 | 16-pin connector |
T32 | 32-pin connector |
T32a | 32-pin connector |
A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
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