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Polo 3 (1995-2003) Polo 4 (2001-2009)

Wiring diagrams diesel vehicle Volkswagen Polo 3

Battery, generator (from 01.1998 release)
Diesel engine AKW 1.7 l and AEY 1.9 l on Caddy / Polo Classic / Polo Variant from 01.1998 of issue. Battery, generator.

Diesel direct injection system control unit (from 01.1998 release)
Diesel engine AKW 1.7 l and AEY 1.9 l on Caddy / Polo Classic / Polo Variant from 01.1998 of issue. Diesel direct injection system control unit, engine speed sensor, intake...

Dispenser, injector needle displacement sensor (from 01.1998 release)
Diesel engine AKW 1.7 l and AEY 1.9 l on Caddy / Polo Classic / Polo Variant from 01.1998 of issue. Diesel direct injection system control unit, dispenser, injector needle...

Voltage supply relay terminal 30, glow plugs (from 01.1998 release)
Diesel engine AKW 1.7 l and AEY 1.9 l on Caddy / Polo Classic / Polo Variant from 01.1998 of issue. Diesel direct injection system control unit, terminal 30 voltage supply relay,...

Glow plugs, fuel cut-off valve, injection start valve (from 01.1998 release)
Diesel engine AKW 1.7 l and AEY 1.9 l on Caddy / Polo Classic / Polo Variant from 01.1998 of issue. Diesel direct injection system control unit, glow plugs, fuel cut-off valve,...

Multifunction indicator sensor, speed sensor (from 01.1998 release)
Diesel engine AKW 1.7 l and AEY 1.9 l on Caddy / Polo Classic / Polo Variant from 01.1998 of issue. Multifunction indicator sensor, speed sensor, coolant temperature sensor.

Instrument panel, coolant level gauge (from 01.1998 release)
Diesel engine AKW 1.7 l and AEY 1.9 l on Caddy / Polo Classic / Polo Variant from 01.1998 of issue. Instrument panel, coolant level and temperature gauge, fuel gauge, speedometer,...

Instrument panel, oil pressure control (from 01.1998 release)
Diesel engine AKW 1.7 l and AEY 1.9 l on Caddy / Polo Classic / Polo Variant from 01.1998 of issue. Instrument panel, optical and acoustic oil pressure control.

Battery, generator (from 12.1997 release)
Diesel engine ALE 1.9 TDI since 12.1997 and AFN 1.9 TDI since 09.1998 on Caddy / Polo Classic / Polo Variant. Battery, generator.

Diesel direct injection system control unit (from 12.1997 release)
Diesel engine ALE 1.9 TDI since 12.1997 and AFN 1.9 TDI since 09.1998 on Caddy / Polo Classic / Polo Variant. Diesel direct injection system control unit, engine crankshaft speed...

Dispenser, injector needle displacement sensor (from 12.1997 release)
Diesel engine ALE 1.9 TDI since 12.1997 and AFN 1.9 TDI since 09.1998 on Caddy / Polo Classic / Polo Variant. Diesel direct injection system control unit, dispenser, injector...

Voltage supply relay terminal 30, glow plugs (from 12.1997 release)
Diesel engine ALE 1.9 TDI since 12.1997 and AFN 1.9 TDI since 09.1998 on Caddy / Polo Classic / Polo Variant. Diesel direct injection system control unit, terminal 30 voltage...

Glow plugs, fuel cut-off valve, injection start valve (from 12.1997 release)
Diesel engine ALE 1.9 TDI since 12.1997 and AFN 1.9 TDI since 09.1998 on Caddy / Polo Classic / Polo Variant. Diesel direct injection system control unit, glow plugs, fuel cut-off...

Multifunction indicator sensor, speed sensor (from 12.1997 release)
Diesel engine ALE 1.9 TDI since 12.1997 and AFN 1.9 TDI since 09.1998 on Caddy / Polo Classic / Polo Variant. Multifunction indicator sensor, speed sensor, coolant temperature...

Instrument panel, coolant level gauge (from 12.1997 release)
Diesel engine ALE 1.9 TDI since 12.1997 and AFN 1.9 TDI since 09.1998 on Caddy / Polo Classic / Polo Variant. Instrument panel, coolant level and temperature gauge, fuel gauge.

Speedometer, multifunction indicator switch (from 12.1997 release)
Diesel engine ALE 1.9 TDI since 12.1997 and AFN 1.9 TDI since 09.1998 on Caddy / Polo Classic / Polo Variant. Instrument panel, speedometer, multifunction indicator switch,...

Battery, starter, generator, relay-regulator (from 10.1999 release)
Diesel engine AGP/AQM 1.9 SDI from 10.1999 y. on Polo Classic / Polo Variant. Battery, starter, alternator, regulator relay, ignition switch, wire distributor for terminal 30,...

Diesel direct injection system control unit (from 10.1999 release)
Diesel engine AGP/AQM 1.9 SDI from 10.1999 y. on Polo Classic / Polo Variant. Diesel Direct Injection Control Unit, Glow Plug Relay, Glow Plugs, Terminal 30 Voltage Supply Relay,...

Engine crankshaft speed sensor (from 10.1999 release)
Diesel engine AGP/AQM 1.9 SOI from 10.1999 y. on Polo Classic / Polo Variant. Diesel direct injection system control unit, engine crankshaft speed sensor, intake manifold pressure...

Exhaust gas Recirculation valve (from 10.1999 release)
Diesel engine AGP/AQM 1.9 SDI from 10.1999 y. on Polo Classic / Polo Variant. Diesel direct injection system control unit, exhaust gas recirculation system valve, fuel temperature...

Glow Plug Relay, Glow Plugs (from 10.1999 release)
Diesel engine AGP/AQM 1.9 SDI from 10.1999 y. on Polo Classic/Polo Variant. Diesel direct injection system control unit, glow plug relay, glow plugs, thermal resistor for intake...

Coolant temperature sensor, injection start valve (from 10.1999 release)
Diesel engine AGP/AQM 1.9 SDI from 10.1999 y. on Polo Classic / Polo Variant. Diesel direct injection system control unit, coolant temperature sensor, injection start valve.

Fuel cut control unit (from 10.1999 release)
Diesel engine AGP/AOM 1.9 SDI from 10.1999 y. on Polo Classic / Polo Variant. Diesel Direct Injection Control Unit, Fuel Cutoff Control Unit (emergency), brake light switch,...

Thermal switch for cooling fan (from 10.1999 release)
Diesel engine AGP/AQM 1.9 SDI from 10.1999 y. on Polo Classic / Polo Variant. Temperature switch for cooling fan, oil pressure switch, fuel level sensor, speed sensor.

Control unit with a block of indicators in the instrument panel (from 10.1999 release)
Diesel engine AGP/AQM 1.9 SDI from 10.1999 y. on Polo Classic / Polo Variant. Control unit with indicator block in the instrument panel, fuel gauge, coolant temperature gauge,...

Warning sound alarm for oil pressure monitoring (from 10.1999 release)
Diesel engine AGP/AQM 1.9 SDI from 10.1999 y. on Polo Classic / Polo Variant. Control unit with indicator block in the instrument panel, tachometer, warning buzzer for oil...

Starter, battery, generator, relay-regulator (from 10.1999 release)
Diesel engine AGR/ALH 1.9 TDI since 10.1999 on Polo Classic / Polo Variant. Starter, battery, alternator, relay-regulator, ignition switch, wire distributor for terminal 30,...

Glow plugs, voltage supply relay terminal 30 (from 10.1999 release)
Diesel engine AGR/ALH 1.9 TDI since 10.1999 on Polo Classic / Polo Variant. Diesel Direct Injection Control Unit, Glow Plug Relay, Glow Plugs, Terminal 30 Voltage Supply Relay,...

Intake manifold pressure sensor (from 10.1999 release)
Diesel engine AGR/ALH 1.9 TDI since 10.1999 on Polo Classic / Polo Variant. Diesel direct injection system control unit, engine crankshaft speed sensor, intake manifold pressure...

Boost pressure control solenoid valve (from 10.1999 release)
Diesel engine AGR/ALH 1.9 TDI since 10.1999 on Polo Classic / Polo Variant. Diesel direct injection system control unit, boost pressure control solenoid valve, intake manifold...

Glow plug relay for coolant (from 10.1999 release)
Diesel engine AGR/ALH 1.9 TDI since 10.1999 on Polo Classic / Polo Variant. Diesel direct injection system control unit, coolant glow plug relay, glow plugs, thermal resistor for...

Coolant temperature sensor (from 10.1999 release)
Diesel engine AGR/ALH 1.9 TDI since 10.1999 on Polo Classic / Polo Variant. Diesel direct injection system control unit, coolant temperature sensor, EGR valve, injection start...

Stop Lamp Switch, Clutch Pedal Sensor (from 10.1999 release)
Diesel engine AGR/ALH 1.9 TOI from 10.1999 y. on Polo Classic / Polo Variant. Diesel Direct Injection Control Unit, Fuel Cutoff Control Unit (emergency), brake light switch,...

Oil Pressure Sensor, Fuel Gauge Sensor (from 10.1999 release)
Diesel engine AGR/ALH 1.9 TDI since 10.1999 on Polo Classic / Polo Variant. Thermal switch for cooling fan, oil pressure sensor, fuel gauge sensor, speed sensor.

Coolant temperature gauge (from 10.1999 release)
Diesel engine AGR/ALH 1.9 TDI since 10.1999 on Polo Classic / Polo Variant. Control unit with indicator block in the instrument panel, fuel gauge, coolant temperature gauge,...

Tachometer, warning light for oil pressure control (from 10.1999 release)
Diesel engine AGR/ALH 1.9 TDI since 10.1999 on Polo Classic / Polo Variant. Control unit with a block of indicators in the instrument panel, tachometer, warning sound signal light...

Battery, starter, generator, relay-regulator (from 05.2000 release)
Diesel engine AYQ 1.9 SDI from 05.2000 y. on Caddy. Battery, starter, alternator, regulator relay, fuse box/battery.

Diesel direct injection system control unit (from 05.2000 release)
Diesel engine AYQ 1.9 SDI from 05.2000 y. on Caddy. Diesel Direct Injection Control Unit, Electronic Engine Lock Control Unit, Intake Manifold Switching Motor, Diagnostic...

Fuel temperature sensor, throttle travel sensor (from 05.2000 release)
Diesel engine AYQ 1.9 SDI from 05.2000 y. on Caddy. Diesel direct injection system control unit, dispenser, fuel temperature sensor, control flap travel sensor, injection start...

Terminal 30 voltage supply relay, clutch pedal sensor (from 05.2000 release)
Diesel engine AYQ 1.9 SDI from 05.2000 y. on Caddy. Diesel direct injection system control unit, terminal 30 voltage supply relay, clutch pedal sensor, brake pedal sensor, engine...

Stop Lamp Switch, Intake Manifold Temperature Sensor (from 05.2000 release)
Diesel engine AYQ 1.9 SDI from 05.2000 y. on Caddy. Diesel Direct Injection Control Module, Stop Lamp Switch, Intake Manifold Temperature Sensor, Accelerator Pedal Position...

Glow Plug Relay, Glow Plugs (from 05.2000 release)
Diesel engine AYQ 1.9 SDI from 05.2000 y. on Caddy. Diesel direct injection system control unit, glow plug relay, glow plugs, fuel cut-off valve, glow plug relay, glow plugs.

Coolant temperature sensor, speed sensor (from 05.2000 release)
Diesel engine AYQ 1.9 SDI from 05.2000 y. on Caddy. Fuel level sensor, coolant temperature sensor, speed sensor, cooling fan thermal switch, cooling fan.

Coolant temperature gauge, speedometer (from 05.2000 release)
Scheme 16_8. Diesel engine AYQ 1.9 SDI from 05.2000 y. on Caddy. Control unit with a block of indicators in the instrument panel, fuel gauge, coolant temperature gauge,...

Regulator relay, fuse box, battery (from 05.2000 release)
Diesel engine ALH 1.9 TDI from 05.2000 y. on Caddy. Battery, starter, alternator, regulator relay, fuse box/battery.

Electronic engine blocking control unit (from 05.2000 release)
Scheme 17_2. Diesel engine ALH 1.9 TDI from 05.2000 y. on Caddy. Diesel direct injection system control unit, engine immobilizer control unit, air mass meter, intake manifold...

Dispenser, fuel temperature sensor, throttle travel sensor (from 05.2000 release)
Diesel engine ALH 1.9 TDI from 05.2000 y. on Caddy. Dispenser, fuel temperature sensor, throttle travel sensor, EGR valve, injection start valve, thermal resistor for intake...

Engine crankshaft speed sensor (from 05.2000 release)
Diesel engine ALH 1.9 TDI from 05.2000 y. on Caddy. Terminal 30 voltage supply relay, boost pressure control solenoid valve, clutch pedal sensor, brake pedal sensor, engine speed...

Kick-down switch, idle switch (from 05.2000 release)
Diesel engine ALH 1.9 TDI from 05.2000 y. on Caddy. Diesel Direct Injection Control Module, Stop Lamp Switch, Intake Manifold Temperature Sensor, Accelerator Pedal Position...

Fuel cut-off valve, glow plug relay (from 05.2000 release)
Diesel engine ALH 1.9 TDI from 05.2000 y. on Caddy. Diesel direct injection system control unit, glow plug relay, fuel cut-off valve, glow plug relay, glow plugs.

Fan thermal switch, cooling fan (from 05.2000 release)
Diesel engine ALH 1.9 TDI from 05.2000 y. on Caddy. Fuel level sensor, coolant temperature sensor, speed sensor, cooling fan thermal switch, cooling fan.

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