VW PASSAT 2005 – 2.8 l/140 kW – Motronic, engine code BBG . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW PASSAT 2005 - Battery - starter - alternator - voltage regulator

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
D	Ignition/starter switch
J207	Starter inhibitor relay
T1c	1-pin connector, black
T2	2-pin connector, black, on right on engine block
T9	9-pin connector, black, on starter inhibitor relay
T10b	10-pin connector, black, on protective housing for control units on left in engine compartment
T10d	10-pin connector, brown, on protective housing for control units on left in engine compartment
1	Earth strap, battery body
500	Screw connection 1 (30), on relay plate
A17	Connection (61), in dash panel wiring harness
A52	Positive connection 2 (30), in dash panel wiring harness
---	Only models with automatic gearbox

Wiring Diagram VW PASSAT 2005 - Motronic control unit - ignition system - fuel pump relay - throttle valve module - ignition transformer

G186	Throttle valve drive (electric power control)
G187	Throttle valve drive angle sender 1 (electric power control)
G188	Throttle valve drive angle sender 2 (electric power control)
J17	Fuel pump relay
J220	Motronic control unit, in protective housing on left in engine compartment
J338	Throttle valve module
N152	Ignition transformer
P	Spark plug connector
Q	Spark plug
S229	Fuse in fuse holder
T5e	5-pin connector, black, on ignition transformer
T6a	6-pin connector, black, on throttle valve control module
T10b	10-pin connector, black, on protective housing for control units on left in engine compartment
T10e	10-pin connector, orange, on protective housing for control units on left in engine compartment
T121	121-pin connector, on Motronic control unit
504	Screw connection 1 (87), on relay plate

Wiring Diagram VW PASSAT 2005 - Motronic control unit - intake air temperature sender - knock sensors

G42	Intake air temperature sender
G61	Knock sensor 1
G66	Knock sensor 2
J220	Motronic control unit, in protective housing on left in engine compartment
T3a	3-pin connector, green, on left on bulkhead
T3c	3-pin connector, blue, on left on bulkhead
T10b	10-pin connector, black, on protective housing for control units on left in engine compartment
T121	121-pin connector, on Motronic control unit
220	Earth connection (sender earth), in engine wiring harness
501	Screw connection 2 (30), on relay plate
D102	Connection 2, in engine compartment wiring harness

Wiring Diagram VW PASSAT 2005 - Motronic control unit - engine speed sender - brake servo relay - vacuum pump for brakes

G28	Engine speed sender
J220	Motronic control unit, in protective housing on left in engine compartment
J569	Brake servo relay
S131	Fuse 1
T3b	3-pin connector, grey, on left on bulkhead
T3s	3-pin connector, red, on protective housing for control units on left in engine compartment
T15s	15-pin connector, red, on protective housing for control units on left in engine compartment
T21	121-pin connector, on Motronic control unit
V192	Vacuum pump for brakes
220	Earth connection (sender earth), in engine wiring harness
---	Only models with automatic gearbox

Wiring Diagram VW PASSAT 2005 - Motronic control unit - brake servo pressure sensor - Hall sender - coolant temperature sender

G2	Coolant temperature sender
G40	Hall sender
G62	Coolant temperature sender
G163	Hall sender 2
G294	Brake servo pressure sensor
J220	Motronic control unit, in protective housing on left in engine compartment
T4k	4-pin connector, black, on coolant temperature sender
T10b	10-pin connector, black, on protective housing for control units on left in engine compartment
T121	121-pin connector, on Motronic control unit
220	Earth connection (sender earth), in engine wiring harness
D106	Connection 4, in engine compartment wiring harness
---	Only models with automatic gearbox

Wiring Diagram VW PASSAT 2005 - Motronic control unit - cruise control system (CCS) switch - brake light switch - clutch pedal switch - brake pedal switch for CCS

E45	Cruise control system switch
E227	Cruise control system (CCS) SET button
F	Brake light switch
F36	Clutch pedal switch
F47	Cruise control system brake pedal switch/diesel direct injection system
J220	Motronic control unit, in protective housing on left in engine compartment
S7	Fuse in relay plate fuse holder
S13	Fuse in relay plate fuse holder
T10	10-pin connector, black, next to steering column
T15a	15-pin connector, white, on protective housing for control units on left in engine compartment
T121	121-pin connector, on Motronic control unit
A20	Connection (15a), in dash panel wiring harness
A89	Connection 2 (54), in dash panel wiring harness
A104	Positive connection 2 (15), in dash panel wiring harness
A130	Connection (cruise control system), in dash panel wiring harness
A154	Connection (brake pedal switch), in dash panel wiring harness
---	Only models with cruise control system (CCS)
*	Only models with manual gearbox

Wiring Diagram VW PASSAT 2005 - Motronic control unit - injectors

D	Ignition/starter switch
J220	Motronic control unit, in protective housing on left in engine compartment
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
N83	Injector, cylinder 5
N84	Injector, cylinder 6
S232	Fuse in fuse holder
T10e	10-pin connector, orange, on protective housing for control units on left in engine compartment
T121	121-pin connector, on Motronic control unit
A2	Positive connection (15), in dash panel wiring harness
A20	Connection (15a), in dash panel wiring harness
D95	Connection (injectors), in engine compartment wiring harness
*	Only models with automatic gearbox

Wiring Diagram VW PASSAT 2005 - Motronic control unit - accelerator position sender

G79	Accelerator position sender
G185	Accelerator position sender 2
J220	Motronic control unit, in protective housing on left in engine compartment
J255	Climatronic control unit
J314	Air conditioning system cut-off control unit
S231	Fuse in fuse holder
T6b	6-pin connector, on accelerator position sender
T10b	10-pin connector, black, on protective housing for control units on left in engine compartment
T10d	10-pin connector, brown, on protective housing for control units on left in engine compartment
T15a	15-pin connector, white, on protective housing for control units on left in engine compartment
T15s	15-pin connector, red, on protective housing for control units on left in engine compartment
T16b	16-pin connector, brown, on Climatronic control unit
T121	121-pin connector, on Motronic control unit
A70	Connection (15a, fuse 231), in dash panel wiring harness
*	Only models with front-wheel drive
**	Only models with air conditioning system

Wiring Diagram VW PASSAT 2005 - Motronic control unit - activated charcoal filter solenoid valve 1 - valves for camshaft control and variable intake manifold changeover - air mass meter

G70	Air mass meter
J220	Motronic control unit, in protective housing for control units
N80	Activated charcoal filter system solenoid valve 1 (pulsed)
N156	Variable intake manifold changeover valve
N205	Inlet camshaft control valve 1
N208	Inlet camshaft control valve 2
T121	121-pin connector, on Motronic control unit
D101	Connection 1, in engine compartment wiring harness
D107	Connection 5, in engine compartment wiring harness
D115	Connection 13, in engine compartment wiring harness
E30	Connection (87a), in engine wiring harness

Wiring Diagram VW PASSAT 2005 - Motronic control unit - Lambda probes

G39	Lambda probe
G108	Lambda probe 2
J220	Motronic control unit, in protective housing on left in engine compartment
T4e	4-pin connector, black
T4f	4-pin connector, black
T121	121-pin connector, on Motronic control unit
D101	Connection 1, in engine compartment wiring harness
E30	Connection (87a), in engine wiring harness

Wiring Diagram VW PASSAT 2005 - Motronic control unit - Lambda probe after catalytic converter

G130	Lambda probe after catalytic converter
G131	Lambda probe 2 after catalytic converter
J104	ABS with EDL control unit
J220	Motronic control unit, in protective housing on left in engine compartment
T4c	4-pin connector, brown
T4d	4-pin connector, green
T15s	15-pin connector, red, on protective housing for control units on left in engine compartment
T121	121-pin connector, on Motronic control unit
D101	Connection 1, in engine compartment wiring harness
E30	Connection (87a), in engine wiring harness

Wiring Diagram VW PASSAT 2005 - Motronic control unit - secondary air pump motor and relay - secondary air inlet valve

J220	Motronic control unit, in protective housing on left in engine compartment
J299	Secondary air pump relay
N112	Secondary air inlet valve
S130	Secondary air pump fuse
S234	Fuse in fuse holder
T3a	3-pin connector, green
T8	8-pin connector, brown
T10d	10-pin connector, brown, on protective housing for control units on left in engine compartment
T10e	10-pin connector, orange, on protective housing for control units on left in engine compartment
T15s	15-pin connector, red, on protective housing for control units on left in engine compartment
T121	121-pin connector, on Motronic control unit
V101	Secondary air pump motor
28	Earth point, on bulkhead
85	Earth connection 1, in engine compartment wiring harness
A60	Connection (speed signal), in dash panel 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 VW PASSAT 2005 - Coolant shortage indicator sender - speedometer sender - oil pressure switch - oil level and oil temperature sender - anti-theft alarm and vermin repellent system contact switch

F1	Oil pressure switch
F120	Anti-theft alarm and vermin repellent system contact switch
G22	Speedometer sender (inductive sender on gearbox)
G32	Coolant shortage indicator sender
G266	Oil level and oil temperature sender
J393	Convenience system central control unit
S5	Fuse in relay plate fuse holder
T1f	Single connector, black
T3d	3-pin connector
T10a	10-pin connector, brown
T10b	10-pin connector, black, on protective housing for control units on left in engine compartment
T10d	10-pin connector, brown, on protective housing for control units on left in engine compartment
T15k	15-pin connector, grey
28	Earth point, on bulkhead
44	Earth point, lower part of left A-pillar
85	Earth connection 1, in engine compartment wiring harness
86	Earth connection 1, in rear wiring harness
A74	Connection (15a, fuse 5), in dash panel wiring harness
A91	Connection (signal for dash panel insert), in dash panel wiring harness
---	Only models with automatic gearbox
*	Not models with automatic gearbox

Wiring Diagram VW PASSAT 2005 - Fuel pump - fuel gauge sender - dash panel insert - oil level warning lamp - fuel level sender

G	Fuel gauge sender
G6	Fuel pump (pressurisation pump)
G169	Fuel gauge sender 2
G237	Fuel gauge sender 3
J285	Display control unit in dash panel insert
K38	Oil level warning lamp
K83	Exhaust emissions warning lamp
S228	Fuse in fuse holder
T4e	4-pin connector, near fuel pump
T6c	6-pin connector, blue, left A-pillar coupling station
T10a	10-pin connector, brown
T10b	10-pin connector, black, on protective housing for control units on left in engine compartment
T32a	32-pin connector, blue, on dash panel insert
T32b	32-pin connector, green, on dash panel insert
78	Earth point, lower part of right B-pillar
197	Earth connection 4, in rear wiring harness
269	Earth connection (sender earth) 1, in dash panel wiring harness
316	Earth connection (sender earth) 2, in engine wiring harness

Wiring Diagram VW PASSAT 2005 - Dash panel insert - optical and acoustic oil pressure warning - odometer display - coolant shortage and coolant temperature indicator - fuel gauge - rev counter - data bus diagnostic interface

G1	Fuel gauge
G3	Coolant temperature gauge
G5	Rev. counter
H11	Oil pressure warning buzzer
J285	Display control unit in dash panel insert
J533	Data bus diagnostic interface
K2	Alternator warning lamp
K3	Oil pressure warning lamp
K28	Coolant temperature/coolant shortage warning lamp
K31	Cruise control system warning lamp
K132	Electronic power control fault lamp
L75	Digital display illumination bulb
T32a	32-pin connector, blue, on dash panel insert
T32b	32-pin connector, green, on dash panel insert
Y4	Odometer display
A60	Connection (speed signal), in dash panel wiring harness
A121	Connection (high bus), in dash panel wiring harness
A122	Connection (low bus), in dash panel wiring harness