VW POLO 1997 – 1.9 ltr./47 kW Diesel engine, engine code AEY . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW POLO 1997 - Alternator - starter

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
D	Ignition/starter switch
T1a	Single connector, behind the relay plate
T2	2-pin connecctor, near starter
18	Earth point, on engine block
131	Earth connection -2-, in engine compartment wiring harness

Wiring Diagram VW POLO 1997 - Diesel direct injection system control unit - engine speed sender - air mass meter

F	Brake light switch
F47	Cruise cont. sys. brake pedal switch (diesel direct inj. system)
G28	Engine speed sender
G42	Intake air temperature sender
J248	Diesel direct injection system control unit, left in plenum chamber
J362	Immobilizer control unit
T6	6-pin connector, on immobilizer control unit
T68	68-pin connector, diesel direct injection system control unit
M9	Brake light bulb, left
M10	Brake light bulb, right
156	Earth connection, in diesel direct injection wiring harness
220	Earth connection (sender earth), in engine wiring harness
B131	Connection (54), in interior wiring harness

Wiring Diagram VW POLO 1997 - Diesel direct injection system control unit - needle lift sender - modulating piston movement sender

F36	Clutch pedal switch
G80	Needle lift sender
G81	Fuel temperature sender
G149	Modulating piston movement sender
J248	Diesel direct injection system control unit, left in plenum chamber
N146	Metering adjuster
T8	8-pin connector
T24	24-pin connector, on engine
T68	68-pin connector, diesel direct injection system control unit
18	Earth point, on engine block
220	Earth connection (sender earth), in engine wiring harness

Wiring Diagram VW POLO 1997 - Diesel direct injection system control unit - accelerator pedal position sender - exhaust gas recirculation valve - glow plug coolant

A	Battery
G79	Accelerator pedal position sender
J248	Diesel direct injection system control unit, left in plenum chamber
J317	Terminal 30 voltage supply relay
J325	Coolant heater element relay, on centre of bulkhead
J359	Low heat output relay
J360	High heat output relay
N18	Exhaust gas recirculation valve, front right in engine compartment
Q7	Coolant heating elements
S109	Coolant heater element fuse
T6	6-pin connector, front left in footwell
T24	24-pin connector, left on engine
T68	68-pin connector, on control unit
TV13	Speed signal junction box
F25	Connection -1-, in diesel direct injection system wiring harness
F32	Connection (glow plugs - coolant), in diesel direct injection system wiring harness

Wiring Diagram VW POLO 1997 - Glow plug relay - diesel direct injection system control unit - commencement of injection valve - throttle valve - fuel shut-off valve

J52	Glow plug relay
J248	Diesel direct injection system control unit, left in plenum chamber
N108	Commencement of injection valve
N109	Fuel shut-off valve
N211	Throttle butterfly valve, print-out on fault reader VAG 1551 is: V60
Q6	Glow plugs - (engine)
S39	Glow plug motor strip fuse
T3	3-pin connector
T24	24-pin connector, left on engine
T68	68-pin connector, on control unit
TV2	Terminal 30 junction box
F26	Connection -2-, in diesel direct injection system wiring harness
F31	Connection (glow plugs - engine), in diesel direct injection system wiring harness

Wiring Diagram VW POLO 1997 - Engine temperature sender - oil pressure switch - speedometer sender

F1	Oil pressure switch *
F22	Oil pressure switch (0.3 bar)
G	Fuel gauge sender
G2	Coolant temerature sender
G22	Speedometer sender (Hall sender on gearbox)
G27	Engine temperature sender
G32	Coolant shortage indicator sender
T24	24-pin connector, left on engine
85	Earth connection -1-, in engine compartment wiring harness
15	Earth point, on cylinder head
*	For switching points, see Workshop Manual

Wiring Diagram VW POLO 1997 - Dash panel insert - fuel gauge - coolant shortage and coolant temperature warning/gauge - optical and acoustic oil pressure warning

G1	Fuel gauge
G3	Coolant temperature gauge
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
T28	28-pin connector, on dash panel insert