VW LT 2002 – 2.8 l/116 kW TDI (Common Rail), engine code BCQ . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW LT 2002 - Alternator - starter - battery

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
D	Ignition/starter switch
T2b	2-pin connector, on engine left
T2d	2-pin connector, near alternator
T34	34-pin connector, in engine compartment, engine prewiring
14	Earth point, on gearbox
28	Earth point, on bulkhead
29	Earth point, near gear box tunnel
D50	Connection (D+), in engine compartment wiring harness
D75	Positive (+) connection -2- (30), in engine compartment wiring harness
D138	Connection (D+), in engine compartment wiring harness
	Only models with immobilizer

Wiring Diagram VW LT 2002 - Diesel direct injection system control unit - terminal 30 voltage supply relay - intake manifold pressure and temperature senders - fuses

G71	Intake manifold pressure sender
G72	Intake manifold temperature sender
J246	Magnetic coupling cut-out relay, air conditioning system
J248	Diesel direct injection system control unit, behind centre console
J317	Terminal 30 voltage supply relay, under engine cover
S74	Air mass meter fuse
S204	Fuse -1- (30)
S282	Engine electronics fuse
T9a	9-pin connector, on diesel direct injection system control unit
T34	34-pin connector, in engine compartment, engine pre-wiring
T40	40-pin connector, on diesel direct injection system control unit
T52	52-pin connector, on diesel direct injection system control unit
156	Earth connection, in diesel direct injection wiring harness
D101	Connection -1-, in engine compartment wiring harness
D102	Connection -2-, in engine compartment wiring harness
D144	Positive connection -5- (30), in engine compartment wiring harness
*	Connection only with air conditioner

Wiring Diagram VW LT 2002 - Diesel direct injection system control unit - engine speed sender - hall sender - air mass meter - clutch pedal switch

F36	Clutch pedal switch
G28	Engine speed sender, on rear left of engine
G40	Hall sender
G70	Air mass meter
J248	Diesel direct injection system control unit, behind centre console
S5	Fuse in relay plate fuse holder
T3a	3-pin connector, near engine speed sender
T5	5-pin connector, on air mass meter
T34	34-pin connector, in engine compartment
T40	40-pin connector, on diesel direct injection system control unit
T52	52-pin connector, on diesel direct injection system control unit
11	Earth point, in battery box
156	Earth connection, in diesel direct injection wiring harness
D103	Connection -3-, in engine compartment wiring harness

Wiring Diagram VW LT 2002 - Diesel direct injection system control unit - immobilizer control unit - brake light switch - diagnostic socket - cruise control system switch (CCS) - charge pressure control

E45	Cruise control system switch*
E227	Cruise control system (CCS) button (Set)*
F	Brake light switch
F47	Brake pedal switch for cruise control system/diesel direct injection system
J248	Diesel direct injection system control unit, behind centre console
J362	Immobilizer control unit
K117	Immobilizer warning lamp
N75	Charge pressure control solenoid valve
T6a	6-pin connector
T12c	12-pin connector
T14	14-pin connector, in front left footwell, diagnostic socket for V.A.G 1551
T22d	22-pin connector, on left below dash panel
T24	24-pin connector, on diesel direct injection system control unit
T40	40-pin connector, on diesel direct injection system control unit
D103	Connection -3-, in engine compartment wiring harness
H20	Connection -1-, in diagnostic wiring harness
H21	Connection -2-, in diagnostic wiring harness
W1	Positive connection (54), in rear wiring harness
*	Only models with cruise control system
	Only models with immobilizer

Wiring Diagram VW LT 2002 - Diesel direct injection system control unit - injectors - accelerator pedal position sender - idling switch - fuel pressure regulating valve

F60	Idling switch
G79	Accelerator pedal position sender, on left of bulkhead in engine compartment
J248	Diesel direct injection system control unit, behind centre console
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
N276	Fuel pressure regulating valve
T9b	9-pin connector, on diesel direct injection system control unit
T34	34-pin connector, in engine compartment, engine pre-wiring
T40	40-pin connector, on diesel direct injection system control unit
T52	52-pin connector, on diesel direct injection system control unit
D95	Connection (injectors), in engine compartment wiring harness
D137	Connection -2- (injectors), in engine compartment wiring harness
F27	Connection (screening), in diesel direct injection wiring harness

Wiring Diagram VW LT 2002 - Diesel direct injection system control unit - coolant temperature sender - engine glow plugs - glow plug relay - thermal switch and pump for continued coolant circulation

F95	Continued coolant circulation thermal switch
G2	Coolant temperature sender
G62	Coolant temperature sender
J52	Glow plug relay, near battery
J248	Diesel direct injection system control unit, behind centre console
Q6	Engine glow plugs
S39	Engine glow plugs strip fuse , on glow plug relay
S82	Continued coolant circulation pump fuse, under driver seat
T6	6-pin connector, on glow plug relay
T34	34-pin connector, in engine compartment, engine pre-wiring
T40	40-pin connector, on diesel direct injection system control unit
T52	52-pin connector, on diesel direct injection system control unit
V51	Continued coolant circulation pump
11	Earth point, below battery box
28	Earth point, on bulkhead
*	Only models with an air conditioner/in tropical climates

Wiring Diagram VW LT 2002 - Diesel direct injection system control unit - intake manifold flap change-over valve - fuel pressure sender

G	Fuel gauge sender
G6	Fuel pump (delivery pump)
G247	Fuel pressure sender
J17	Fuel pump relay
J248	Diesel direct injection system control unit, behind centre console
J404	Terminal 15 relief relay
N79	Crankcase breather heater element
N239	Intake manifold flap change-over valve
S81	Fuel pump fuse
S126	Supplementary heater fuse
T4	4-pin connector
T24	24-pin connector, on diesel direct injection system control unit
T34	34-pin connector, in engine compartment, engine pre-wiring
T40	40-pin connector, on diesel direct injection system control unit
T52	52-pin connector, on diesel direct injection system control unit
28	Earth point, on bulkhead
34	Earth point, under driver seat
D17	Positive connection -1- (15), in engine wiring harness

Wiring Diagram VW LT 2002 - Dash panel insert - oil pressure switch - speedometer sender - coolant shortage indicator - fuel gauge sender - continued coolant circulation regulation breather valve

F22	Oil pressure switch
G22	Speedometer sender (on gearbox)
G32	Coolant shortage indicator sender
H1	Horn
J285	Control unit with display in dash panel insert
J404	Terminal 15 relief relay, under driver seat
J686	Fuel filter heater relay
K36	Coolant shortage warning lamp
N246	Continued coolant circulation regulation breather valve
S7	Fuse in relay plate fuse holder
S290	Fuel filter heater fuse, under driver seat
T2a	2-pin connector, near coolant expansion tank
T2b	2-pin connector, on left of engine
T2c	2-pin connector, on left below dash panel
T12a	12-pin connector
T22	22-pin connector, on left below dash panel
Z57	Fuel filter heater
11	Earth point, in battery box
28	Earth point, on left of bulkhead
34	Earth point, under driver seat
A20	Connection (15a), in dash panel wiring harness
*	Only models with an air conditioner/in tropical climates

Wiring Diagram VW LT 2002 - Dash panel insert - fuel gauge - coolant temperature gauge - oil pressure warning - speedometer - ambient temperature indicator

G1	Fuel gauge
G3	Coolant temperature gauge
G17	Ambient temperature sensor, in front bumper
G21	Speedometer
G106	Ambient temperature indicator**
J285	Control unit with display in dash panel insert
K3	Oil pressure warning lamp
K105	Reserve fuel warning lamp
T12	12-pin connector
T12a	12-pin connector
T12b	12-pin connector
T22	22-pin connector, under dash panel, left
T22d	22-pin connector, under dash panel, left
A27	Connection (speed signal), in dash panel wiring harness
**	Only optional equipment with ambient temperature indicator

Wiring Diagram VW LT 2002 - Dash panel insert - rev. counter - warning lamps - handbrake warning switch - analogue clock

F9	Handbrake warning switch
G5	Rev. counter
J13	Fresh air blower relay, under driver's seat
J285	Control unit with display in dash panel insert
K2	Alternator warning lamp
K14	Handbrake warning lamp
K29	Glow period warning lamp
T12	12-pin connector
T12a	12-pin connector
T22	22-pin connector, under dash panel, left
Y	Analogue clock, (alternatively with rev. counter)
34	Earth point, under driver's seat
A2	Positive (+) connection (15), in dash panel wiring harness
A115	Connection (handbrake warning), in dash panel wiring harness
*	Only models with power take-off
	Only models with immobilizer