VW CADDY 1998 – 1.4 l/44 kW Motronic, engine codes AEX . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW CADDY 1998 - Alternator - starter

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
D	Ignition/starter switch
T1a	Single connector, near starter
T1b	Single connector, behind relay plate
T1c	Single connector, behind relay plate
D50	Positive (+) connection (30), in engine compartment wiring harness

Wiring Diagram VW CADDY 1998 - Motronic control unit - ignition system - lambda probe

G39	Lambda probe
G40	Hall senderJ220-Motronic control unit, in plenum chamber, left
J362	Immobilizer control unit
N152	Ignition transformer
N157	Ignition transformer output stage
O	Ignition distributor
P	Spark plug connector
Q	Spark plugs
T3	3-pin connector, ignition transformer output stage
T4	4-pin connector
T6	6-pin connector
T28a	28-pin connector, on engine left
T45	45-pin connector, on Motronic control unit
15	Earth point, on cylinder head
139	Earth connection (sender earth), in Motronic wiring harness
E6	Positive (+) connection -1- (15), in Motronic wiring harness

Wiring Diagram VW CADDY 1998 - Motronic control unit - coolant temperature sender - intake air temperature sender - intake manifold pressure sender - knock sensor

G2	Coolant temperature sender
G42	Intake air temperature sender
G61	Knock sensor
G62	Coolant temperature sender
G71	Intake manifold pressure sender
J220	Motronic control unit, in plenum chamber, left
T2	2-pin connector
T28a	28-pin connector, on engine left
T45	45-pin connector, on Motronic control unit
15	Earth point, on cylinder head

Wiring Diagram VW CADDY 1998 - Motronic control unit - injectors - throttle valve positioner - idling switch - throttle valve potentiometer

F60	Idling switch
G69	Throttle valve potentiometer
G88	Throttle valve positioner potentiometer
J220	Motronic control unit, in plenum chamber, left
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
T28a	28-pin connector, on engine left
T45	45-pin connector, on Motronic control unit
V60	Throttle valve positioner
15	Earth point, on cylinder head
139	Earth connection (sender earth), in Motronic wiring harness
E9	Positive (+) connection -2- (15), in Motronic wiring harness
G3	Positive (+) connection in cable sleeve - injectors

Wiring Diagram VW CADDY 1998 - Motronic control unit - activated charcoal filter system solenoid valve - fuel supply system - speedometer sender

G	Fuel gauge sender
G6	Fuel pump
G22	Speedometer sender (Hall sender, on gearbox)
J17	Fuel pump relay
J220	Motronic control unit, in plenum chamber left
N80	Activated charcoal filter system solenoid valve 1 (pulsed)
T28a	28-pin connector, on engine left
T6a	6-pin connector
T45	45-pin connector, on Motronic control unit
12	Earth point, in engine compartment, left
15	Earth point, on cylinder head
216	Earth connection -2-, in Motronic wiring harness

Wiring Diagram VW CADDY 1998 - Dash panel insert - fuel gauge - coolant shortage and coolant temperature indicator - optical and acoustical oil pressure warning

F22	Oil pressure switch *
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 warning lamp Coolant shortage indicator
T28	28-pin connector, on dash panel insert
T28a	28-pin connector, on engine left
15	Earth point, on cylinder head
*	For switch values, Engine Workshop manual, Caddy 1996►, Polo Classic 1996►