Volkswagen Polo 1.9 SDi Direct Injection Diesel from 1995 — Electrical and Mechanical Schema 1998

Auto-Volt schema card N°750 (November 1998) covering the Volkswagen Polo (3, 4, 5-door and estate) with direct injection diesel engines AGD and AEY (4 cylinders in line, 1896 cm³, 79.5×95.5 mm, 47 kW/64 hp at 4200 rpm, 12.4 daN.m torque from 2200 to 2800 rpm), with electronic management Bosch MSA 15.5 (AGD) or MSA 12 (AEY), fuel injection pump Bosch VE 4/10 E 2250 R 640, Bosch DSLA 150 P 442 injectors (190–200 bar), no throttle cable. Includes full mechanical documentation (lubrication, cooling with two-speed thermocontact at 92–97°C and 99–105°C, toothed belt distribution, 45-litre diesel tank), complete engine management documentation (Bosch ECU 68 or 80 terminals, inlet throttle solenoid valve, EGR solenoid valve, fuel quantity regulator, injection timing solenoid valve, coolant heating relay, accelerator pedal position sensor, injection start sensor on cylinder 3, crankshaft and coolant/fuel/air temperature sensors), wiring diagrams for AGD and AEY management with 68 and 80-pin ECU, complete ABS documentation (ITT Teves Mark 04 then Mark 20 GI, 4 channels, 8 solenoid valves, EBV brake pressure distribution function), complete electrical documentation (Bosch DBL 12V 1.8kW starter, 70A or 90A Bosch alternator, 12V 61Ah battery, H4 headlights, pencil-type glow plugs at 0.8 Ω, transponder immobiliser), wiring diagrams for engine management, ABS, central locking, lighting, signalling, wipers, air conditioning, electric windows, fuse and relay tables for two fuse boxes (cabin and engine compartment), electrical consumption measurements, and a Volkswagen Polo 1.9 SDi repair time schedule.