VW PASSAT 1999 – 2.5 ltr./110 kW Turbo diesel engine, engine code AFB . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW PASSAT 1999 - Battery - starter - alternator

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
D	Ignition/starter switch
T3v	3-pin connector, black, right on engine block
T10b	10-pin connector, black, on protective housing for control units, left in engine compartment
T10d	10-pin connector, brown, on protective housing for control units, left in engine compartment
1	Earth strap, battery body
2	Earth strap, gearbox - 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

Wiring Diagram VW PASSAT 1999 - Diesel direct injection system control unit - glow plugs - voltage supply relay

J248	Diesel direct injection system control unit, in protective housing for control units
J317	Terminal 30 voltage supply relay, (219), in protective housing for control units
S102	Engine control unit fuse, in protective housing for control units
S125	Glow plugs fuse
S189	Glow plugs fuse -2-
Q6	Glow plugs - (engine)
T9	9-pin connector, on control unit for diesel direct injection system
T10e	10-pin connector, orange, on protective housing for control units, left in engine compartment
T24	10-pin connector, on control unit for diesel direct injection system
504	Screw connection -1- (87F), on relay plate
A52	Positive connection -2- (30), in dash panel wiring harness
F28	Connection -3-, in diesel direct injection system wiring harness
F31	Connection (glow plugs - engine), in diesel direct injection system wiring harness
F34	Connection -2- (engine glow plugs), in diesel direct injection system wiring harness

Wiring Diagram VW PASSAT 1999 - Diesel direct injection system control unit - kick-down switch - accelerator pedal position sender - idling speed switch - oil temperature sender - relay for glow plugs

F8	Kick-down switch
F60	Idling switch
G8	Oil temperature sender
G79	Accelerator position sender
J52	Glow plug relay
J248	Diesel direct injection system control unit, in protective housing for control units
T6a	6-pin connector, on injection pump
T10b	10-pin connector, black, on protective housing for control units, left in engine compartment
T10d	10-pin connector, brown, on protective housing for control units, left in engine compartment
T10e	10-pin connector, orange, on protective housing for control units, left in engine compartment
T15a	15-pin connector, white, on protective housing for control units, left 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
A2	Positive connection (30), in dash panel wiring harness
A10	Connection (glow plug control), in dash panel wiring harness
A27	Connection (speed signal), in dash panel wiring harness

Wiring Diagram VW PASSAT 1999 - Diesel direct injection system control unit - engine speed sender - intake manifold pressure sender - needle lift sender - intake manifold temperature sender

G28	Engine speed sender
G71	Intake manifold pressure sender
G72	Intake manifold temperature sender
G80	Needle lift sender
J248	Diesel direct injection system control unit, in protective housing for control units
T2	2-pin connector, brown, near needle lift sender
T3	3-pin connector, black, near engine speed sender
T9	9-pin connector, on control unit for diesel direct injection system
T10b	10-pin connector, black, on protective housing for control units, left in engine compartment
T10d	10-pin connector, brown, on protective housing for control units, left 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
12	Earth point, in engine compartment, left
32	Earth point, behind dash panel, left
81	Earth Connection -1-, in dash panel wiring harness
156	Earth connection, in Diesel direct injection system wiring harness
A45	Connection (engine speed signal), in dash panel wiring harness
*	For vehicles with manual gearbox only
**	For vehicles with automatic gearbox only

Wiring Diagram VW PASSAT 1999 - Diesel direct injection system control unit - coolant temperature sender - valve for engine mountings - control unit for injection pump

G2	Coolant temperature sender
G62	Coolant temperature sender
J217	Automatic gearbox control unit
J248	Diesel direct injection system control unit, in protective housing for control units
J399	Injection pump control unit
N144	Electro/hydraulic engine mounting solenoid valve, left
N145	Electro/hydraulic engine mounting solenoid valve, right
T9x	9-pin connector
T10b	10-pin connector, black, on protective housing for control units, left in engine compartment
T24	24-pin connector, on control unit for diesel direct injection system
T40	40-pin connector, on diesel direct injection system control unit
T52	52-pin connector, on diesel direct injection system control unit
T88	88-pin connector, on automatic gearbox control unit
156	Earth connection, in diesel direct injection system wiring harness
A121	Connection (high bus), in dash panel wiring harness
A122	Connection (low bus), in dash panel wiring harness
F25	Connection -1-, in diesel direct injection system wiring harness
F26	Connection -2-, in diesel direct injection system wiring harness
**	For vehicles with automatic gearbox only

Wiring Diagram VW PASSAT 1999 - Diesel direct injection system control unit - air mass meter - exhaust gas recirculation valve - charge pressure control solenoid valve - intake manifold flap change-over valve

G70	Air mass meter
J248	Diesel direct injection system control unit, in protective housing for control units
N18	Exhaust gas recirculation valve
N239	Intake manifold flap change-over valve
N75	Charge pressure control solenoid valve
T10d	10-pin connector, brown, on protective housing for control units, left in engine compartment
T10e	10-pin connector, orange, on protective housing for control units, left in engine compartment
T10k	10-pin connector, grey, coupling station right A-pillar
T24	24-pin connector, on control unit for diesel direct injection system
T40	40-pin connector, on diesel direct injection system control unit
T52	52-pin connector, on diesel direct injection system control unit
A2	Positive (+) connection (15a), in dash panel wiring harness
A15	Positive connection (15), in instrument wiring harness
A131	Connection (fuel consumption signal), in dash panel wiring harness
F25	Connection -1-, in diesel direct injection system wiring harness
F35	Connection -4-, in diesel direct injection system wiring harness
---	For vehicles with cruise control system only
*	For vehicles with manual gearbox only

Wiring Diagram VW PASSAT 1999 - Diesel direct injection system control unit - cruise control system switch (CCS) - brake light switch - 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) button (Set)
F	Brake light switch
F36	Clutch pedal switch
F47	Cruise cont. sys. brake pedal switch (diesel direct inj. system)
J248	Diesel direct injection system control unit, in protective housing for control units
S13	Fuse in relay plate fuse box
T10	10-pin connector, black, next to steering column
T15a	15-pin connector, white, on protective housing for control units, in left engine compartment
T40	40-pin connector, on diesel direct injection system control unit
A18	Connection (54), in dash panel wiring harness
A89	Connection -2- (54), in dash panel wiring harness
A130	Connection (CCS), in dash panel wiring harness
---	For vehicles with cruise control system only
*	For vehicles with manual gearbox only

Wiring Diagram VW PASSAT 1999 - Diesel direct injection system control unit - sender for fuel shortage

G210	Low fuel level sender
J248	Diesel direct injection system control unit, in protective housing for control units
J255	Climatronic control unit
T6m	6-pin connector, black, coupling station right A-pillar
T9	9-pin connector, on control unit for diesel direct injection system
T10e	10-pin connector, orange, on protective housing for control units, left in engine compartment
T15s	15-pin connector, red, on protective housing for control units, left in engine compartment
T16b	16-pin connector, on Climatronic control unit
T24	24-pin connector, on control unit for diesel direct injection system
T40	40-pin connector, on diesel direct injection system control unit
A70	Connection (15a, fuse 231), in dash panel wiring harness
A105	Connection -2- (rpm boost), in dash panel wiring harness
F36	Connection (87a), in diesel direct injection system control unit
***	For vehicles with four wheel drive only
****	For vehicles without four wheel drive only

Wiring Diagram VW PASSAT 1999 - Fuel gauge sender - fuel pump - fuel pump relay - relay for alternator cut-in

G	Fuel gauge sender
G6	Fuel pump (pre-supply pump)
G169	Fuel gauge sender -2- (four wheel drive only)
G237	Fuel gauge sender -3- (four wheel drive only)
J17	Fuel pump relay, on the 13 position relay carrier control number (214)
J442	Alternator cut-in relay (370), on 8 position additional relay carrier
S228	Fuse in fuse holder
T3s	3-pin connector, red, on protective housing for control units, left in engine compartment
T4e	4-pin connector
T6c	6-pin connector, blue, coupling station left A-pillar
T10a	10-pin connector, brown, coupling station left A-pillar
T10b	10-pin connector, black, on protective housing for control units, left in engine compartment
T10e	10-pin connector, yellow, on protective housing for control units, left in engine compartment
75	Earth point, rear pillar, right
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 dash panel wiring harness
A100	Connection -2- (87), in dash panel wiring harness

Wiring Diagram VW PASSAT 1999 - Oil pressure switch - speedometer sender - coolant shortage warning indicator sender

F1	Oil pressure switch
G22	Speedometer sender, reed contact - sender left in gearbox
G32	Coolant shortage indicator sender
T3d	3-pin connector, brown, front left in engine compartment
T10b	10-pin connector, black, on protective housing for control units, left in engine compartment
156	Earth connection, in diesel direct injection wiring harness

Wiring Diagram VW PASSAT 1999 - Dash panel insert - optical and acoustical oil pressure warning - odometer display - coolant shortage and coolant temperature indicator - fuel gauge - fuel reserve warning lamp

G1	Fuel gauge
G3	Coolant temperature gauge
G5	Rev. counter
H11	Oil pressure warning buzzer
J285	Control unit with display in dash panel insert
K2	Alternator warning lamp
K3	Oil pressure warning lamp
K28	Coolant temperature/coolant shortage warning lamp
K29	Glow period warning lamp
K105	Reserve fuel warning lamp
L75	Digital display illumination
T32a	32-pin connector, blue, on dash panel insert
T32b	32-pin connector, green, on dash panel insert
Y4	Odometer display