Engine management system AHD 2.5 TDI since November 1997 (II).
Diesel fuel injection control unit, boost pressure limitation, terminal 30 power supply relay, injection start valve, exhaust gas recirculation system, idle switch, accelerator pedal position sensor
| F8 | "kick-down" switch |
| F60 | idle speed switch |
| G79 | accelerator pedal position sensor, in the engine compartment on the front wall on the left |
| J248 | diesel fuel injection control unit, near the battery |
| J317 | power relay terminal 30, under the driver's seat |
| J365 | air conditioning cut-off relay, under the driver's seat |
| N18 | exhaust gas recirculation valve, in the middle of the engine compartment |
| N75 | boost pressure limiting solenoid valve, in the middle of the engine compartment |
| N108 | injection start valve, under the high-pressure fuel pump |
| T10 | wiring connector, 10-pin, left side of engine |
| T68 | wiring connector, 68-pin |
| (D50) | connection to positive pole 1 (30) in the engine compartment wiring kit |
| (F25) | connection 1 in the diesel fuel injection system wiring kit |
| * | only with air conditioning |
| ** | on vehicles before March 1998 |
| -.-.- | on cars since May 1998 |
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