Wiring Diagram VW LUPO 1999 - Battery - starter - alternator - radiator fan
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| F18 | Radiator fan thermo-switch |
| J59 | X contact relief relay |
| SA1 | Fuse -1- (30), on battery fuse holder |
| SA2 | Fuse -2- (30), on battery fuse holder |
| SA7 | Fuse -7- (30), on battery fuse holder |
| T3b | 3-pin connector, on radiator fan |
| T4g | 4-pin connector, black, on battery fuse holder |
| T4h | 4-pin connector, near starter |
| T10d | 10-pin connector, red, coupling station under relay carrier¹) |
| V7 | Radiator fan |
| 1 | Earth strap, battery body |
| 167 | Earth connection -4-, in engine compartment wiring harness |
| 500 | Screw connection -1- (30), on relay plate¹) |
| 501 | Screw connection -2- (30), on relay plate¹) |
| 502 | Screw connection -3- (30), on relay plate¹) |
Wiring Diagram VW LUPO 1999 - 4AV control unit (injection system) - ignition system - Hall sender
| D | Ignition/starter switch |
| G40 | Hall sender |
| J448 | 4AV control unit (injection system), centre in plenum chamber |
| N152 | Ignition transformer |
| P | Spark plug connector |
| Q | Flame plug |
| SB32 | Fuse -32- on relay plate fuse holder |
| SB34 | Fuse -34- on relay plate fuse holder |
| SB36 | Fuse -36- on relay plate fuse holder |
| T4b | 4-pin connector, black, on ignition transformer |
| T5h | 5-pin connector, black, front left in engine compartment |
| T10a | 10-pin connector, green, coupling station under relay carrier¹) |
| T10c | 10-pin connector, blue, coupling station under relay carrier¹) |
| T14 | 14-pin connector, black, left on cylinder head |
| T14a | 14-pin connector, brown, left on cylinder head |
| T80 | 80-pin connector, on 4AV control unit |
| 12 | Earth point, left in engine compartment |
| 220 | Earth connection (sender earth), in engine wiring harness |
| B135 | Connection -1- (15a), in interior wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
| * | With Airbag only |
Wiring Diagram VW LUPO 1999 - 4AV control unit (injection system) - throttle valve control part - intake manifold pressure sender - intake air temperature sender
| F60 | Idling switch |
| G42 | Intake air temperature sender |
| G69 | Throttle valve potentiometer |
| G71 | Intake manifold pressure sender |
| G88 | Throttle valve positioner potentiometer |
| J338 | Throttle valve control unit |
| J448 | 4AV control unit (injection system), centre in plenum chamber |
| T8h | 8-pin connector, black, on throttle valve control unit |
| T14 | 14-pin connector, black, left on cylinder head |
| T14a | 14-pin connector, brown, left on cylinder head |
| T80 | 80-pin connector, on 4AV control unit |
| V60 | Throttle valve positioner |
| 132 | Earth connection -3-, in engine compartment wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
Wiring Diagram VW LUPO 1999 - 4AV control unit (injection system) - engine speed sender - coolant temperature sender - injectors
| G2 | Coolant temperature sender |
| G28 | Engine speed sender |
| G62 | Coolant temperature sender |
| J448 | 4AV control unit (injection system), centre in plenum chamber |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| SB3 | Fuse -3- on fuse holder |
| T3 | 3-pin connector, on left cylinder head |
| T5h | 5-pin connector, on left cylinder head |
| T10a | 10-pin connector, green, coupling station under relay carrier¹) |
| T14 | 14-pin connector, black, left on cylinder head |
| T14a | 14-pin connector, brown, left on cylinder head |
| T80 | 80-pin connector, on 4AV control unit |
| 10 | Earth point, in plenum chamber |
| 132 | Earth connection -3-, in engine compartment wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| D95 | Connection (injectors), in engine compartment wiring harness |
Wiring Diagram VW LUPO 1999 - 4AV control unit (injection system) - Lambda probe - activated charcoal filter sytem solenoid valve - exhaust gas recirculation pulsed valve
| G39 | Lambda probe |
| J362 | Immobilizer control unit |
| J448 | 4AV control unit (injection system), centre in plenum chamber |
| N18 | Exhaust gas recirculation valve |
| N80 | Activated charcoal filter system solenoid valve I |
| SB31 | Fuse -31- on fuse holder |
| T4f | 4-pin connector, black, on left cylinder head |
| T5h | 5-pin connector, black, in engine compartment |
| T10 | 10-pin connector, white, coupling station under relay carrier¹) |
| T10c | 10-pin connector, blue, coupling station under relay carrier¹) |
| T10d | 10-pin connector, red, coupling station under relay carrier¹) |
| T14a | 14-pin connector, brown, left on cylinder head |
| T80 | 80-pin connector, on 4AV control unit |
| Z19 | Heating for Lambda probe |
| 201 | Earth connection -5-, in engine compartment wiring harness |
Wiring Diagram VW LUPO 1999 - 4AV (injection system) control unit - knock sensor - fuel pump relay - control unit for fuel shut-off (crash)
| G61 | Knock sensor I |
| J17 | Fuel pump relay |
| J234 | Airbag control unit, behind lower console |
| J448 | 4AV control unit (injection system), centre in plenum chamber |
| J491 | Control unit for fuel shut-off (Crash) |
| SB1 | Fuse -1- on fuse holder |
| SB17 | Fuse -17- on fuse holder |
| SB37 | Fuse -37- on fuse holder |
| SB39 | Fuse -39- on fuse holder |
| T2 | 2-pin connector, black, in engine compartment |
| T10b | 10-pin connector, black, coupling station under relay carrier¹) |
| T10d | 10-pin connector, red, coupling station under relay carrier¹) |
| T14 | 14-pin connector, black, left on cylinder head |
| T80 | 80-pin connector, on 4AV control unit |
| 200 | Earth connection (screening), in engine compartment wiring harness |
| A99 | Connection -1- (87), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| B102 | Earth connection, in front left interior wiring harness |
| B150 | Positive connection -2- (30a), in interior wiring harness |
| * | With Airbag only |
| Not with airbag |
Wiring Diagram VW LUPO 1999 - Fuel pump relay - speedometer sender - fuel gauge sender - coolant shortage warning sender
| F4 | Reversing light switch |
| G | Fuel gauge sender |
| G6 | Fuel pump (pre-supply pump) |
| G22 | Speedometer sender (Hall sender on gearbox) |
| G32 | Coolant shortage indicator sender |
| SB29 | Fuse -29- on relay plate fuse holder |
| SB30 | Fuse -30- on relay plate fuse holder |
| T5h | 5-pin connector, black, in engine compartment |
| T10a | 10-pin connector, green, coupling station under relay carrier¹) |
| T10b | 10-pin connector, black, coupling station under relay carrier¹) |
| T10d | 10-pin connector, red, coupling station under relay carrier¹) |
| T14 | 14-pin connector, black, left on cylinder head |
| T14a | 14-pin connector, brown, left on cylinder head |
| 124 | Earth connection, in engine compartment right wiring harness |
| 132 | Earth connection -3-, in engine compartment wiring harness |
| 201 | Earth connection -5-, in engine compartment wiring harness |
| B109 | Earth connection, in rear left interior wiring harness |
| B149 | Positive connection -2- (15a), in interior wiring harness |
Wiring Diagram VW LUPO 1999 - Dash panel insert - oil pressure warning - coolant temperature gauge - fuel gauge - rev. counter - alternator warning lamp - coolant shortage and coolant temperature warning lamp
| F1 | Oil pressure switch |
| 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 |
| K105 | Reserve fuel warning lamp |
| T10a | 10-pin connector, green, coupling station under relay carrier¹) |
| T10d | 10-pin connector, red, coupling station under relay carrier¹) |
| T14 | 14-pin connector, black, left on cylinder head |
| T32 | 32-pin connector, blue, on dash panel insert |
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