VW PASSAT 2005 — 1.8 l/110 kW — Motronic, engine code AWT . 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
T2a	2-pin connector, black
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
501	Screw connection 2 (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 - spark plug connectors - 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 plug
T4i	4-pin connector, black, on ignition coil
T4j	4-pin connector, black, on ignition coil
T4k	4-pin connector, black, on ignition coil
T4l	4-pin connector, black, on ignition coil
T10e	10-pin connector, orange, on protective housing for control units on left in engine compartment
T121	121-pin connector, on Motronic control unit
16	Earth point 1, on cylinder head cover
85	Earth connection 1, in engine compartment wiring harness
D52	Positive connection (15a), in engine compartment wiring harness

Wiring Diagram VW PASSAT 2005 - Motronic control unit - oil level and oil temperature sender - secondary air pump motor and relay

G266	Oil level and oil temperature sender
J220	Motronic control unit
J299	Secondary air pump relay
S5	Fuse in fuse holder
S130	Secondary air pump fuse
T3a	3-pin connector, white, 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
T121	121-pin connector, on Motronic control unit
V101	Secondary air pump motor
28	Earth point, on left on plenum chamber
85	Earth connection 1, in engine compartment wiring harness
A74	Connection (15a, fuse 5), in dash panel wiring harness
D22	Connection (via fuse 234), in front right wiring harness
---	Only models with automatic gearbox

Wiring Diagram VW PASSAT 2005 - Motronic control unit - secondary air inlet valve - solenoid valves for activated charcoal filter system and charge pressure control - recirculated air valve - Lambda probe

G39	Lambda probe
J220	Motronic control unit
N75	Charge pressure control solenoid valve
N80	Activated charcoal filter system solenoid valve 1 (pulsed)
N112	Secondary air inlet valve
N249	Turbocharger air recirculation valve
T6	6-pin connector, black
T121	121-pin connector, on Motronic control unit
241	Earth connection 2 engine earth, in engine wiring harness
D22	Connection (via fuse 234), in front right wiring harness

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

G70	Air mass meter
G130	Lambda probe after catalytic converter
J220	Motronic control unit
S234	Fuse in fuse holder
T4c	4-pin connector, brown
T10e	10-pin connector, orange, on protective housing for control units on left in engine compartment
T121	121-pin connector, on Motronic control unit
241	Earth connection 2, in engine wiring harness
D22	Connection (via fuse 234), in front right wiring harness
D107	Connection 5, in engine wiring harness

Wiring Diagram VW PASSAT 2005 - Motronic control unit - fuel pump relay - injectors 1-4 - intake air temperature sender

D	Ignition/starter switch
G42	Intake air temperature sender
J17	Fuel pump relay
J220	Motronic control unit
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
S232	Fuse in fuse holder
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
220	Earth connection (sender earth), in engine wiring harness
504	Screw connection 1 (87), on relay plate
A2	Positive connection (15), in dash panel wiring harness
A20	Positive 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 - charge air pressure sender - Hall sender - engine speed sender - brake servo pressure sensor

G28	Engine speed sender
G31	Charge air pressure sender
G40	Hall sender
G294	Brake servo pressure sensor
J220	Motronic control unit
T3b	3-pin connector, grey, on left on bulkhead
T4h	4-pin connector
T4v	4-pin connector, black, on brake servo pressure sensor
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 - knock sensors - coolant temperature sender

G2	Coolant temperature sender
G61	Knock sensor 1
G62	Coolant temperature sender
G66	Knock sensor 2
J220	Motronic control unit
T3b	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
D102	Connection 2, in engine compartment wiring harness

Wiring Diagram VW PASSAT 2005 - Motronic control unit - throttle valve module - Motronic current supply relay - variable camshaft timing valve 1

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)
J220	Motronic control unit
J271	Motronic current supply relay
J338	Throttle valve module
N205	Inlet camshaft control valve 1
S132	Fuse 2
S229	Fuse in fuse holder
T3a	3-pin connector, white, on left on bulkhead
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
T121	121-pin connector, on Motronic control unit
D10	Positive connection (30) in front right wiring harness
D23	Connection (via fuse 229), in front right wiring harness

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

E45	Cruise control system switch, position 0 = OFF in detent, position 1 = OFF with button, position 2 = ON, position 3 = RES
E227	Cruise control system (CCS) SET button
F	Brake light switch
F36	Clutch pedal switch
F47	Cruise control system brake pedal switch
J220	Motronic control unit
S7	Fuse in relay plate fuse holder
S13	Fuse in fuse holder
T10	10-pin connector, black, next to steering column
T10e	10-pin connector, orange, 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
T121	121-pin connector, on Motronic control unit
A89	Connection 2 (54), in dash panel wiring harness
A104	Positive connection 2 (15), in dash panel wiring harness
A154	Connection (brake pedal switch), in dash panel wiring harness
A130	Connection (cruise control system), 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 - accelerator position sender - brake servo relay - vacuum pump for brakes

G79	Accelerator position sender
G185	Accelerator position sender 2
J220	Motronic control unit
J569	Brake servo relay
S131	Fuse 1
T3s	3-pin connector, red, on protective housing for control units on left in engine compartment
T6b	6-pin connector, on accelerator position sender
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
T121	121-pin connector, on Motronic control unit
V192	Vacuum pump for brakes
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
---	Only models with automatic gearbox

Wiring Diagram VW PASSAT 2005 - Fuel pump - fuel gauge sender - speedometer sender - coolant shortage indicator sender - oil pressure switch - anti-theft alarm system contact switch

F1	Oil pressure switch
F120	Anti-theft alarm and vermin repellent system contact switch
G	Fuel gauge sender
G6	Fuel pump (pressurisation pump)
G22	Speedometer sender, inductive sender on left of gearbox
G32	Coolant shortage indicator sender
S228	Fuse in fuse holder
T3d	3-pin connector, front left in engine compartment
T6c	6-pin connector, blue, left A-pillar coupling station
T10a	10-pin connector, brown, left A-pillar coupling station
T10b	10-pin connector, black, on protective housing for control units on left in engine compartment
T15k	15-pin connector, grey
44	Earth point, lower part of left A-pillar
78	Earth point, lower part of right B-pillar
86	Earth connection 1, in rear wiring harness
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
A91	Connection (signal for dash panel insert), in dash panel wiring harness

Wiring Diagram VW PASSAT 2005 - Control unit with display in dash panel insert - optical and acoustic oil pressure warning - odometer display - coolant shortage and coolant temperature indicators - fuel gauge

G1	Fuel gauge
G3	Coolant temperature gauge
H11	Oil pressure warning buzzer
J285	Display control unit in dash panel insert
K2	Alternator warning lamp
K3	Oil pressure warning lamp
K28	Coolant temperature/coolant shortage warning lamp
K31	Cruise control system warning lamp
K38	Oil level warning 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

Wiring Diagram VW PASSAT 2005 - Control unit with display in dash panel insert - data bus diagnostic interface - exhaust emissions warning lamp - electronic power control fault lamp

J285	Display control unit in dash panel insert
J533	Data bus diagnostic interface
K83	Exhaust emissions warning lamp
K132	Electronic power control fault lamp
T32a	32-pin connector, blue, on dash panel insert
T32b	32-pin connector, green, on dash panel insert
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