Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 115
DME 7.8 DME 7.8 0 · Connector III, 52-pole
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DME 7.8 DME 7.8 0
Connector III, 52-pole
Pin Designation Pin Designation
12 Signal, camshaft position sensor 1 38 not assigned
13 Start enable, Tiptronic (P + N) 39 not assigned
14 Secondary air valve 40 Fuel injector, cylinder 2
15 Fuel injector, cylinder 3 41 Fuel injector, cylinder 1
16 Fuel pump control module 42 not assigned
17 Ground, sensors 43 not assigned
18 Signal, camshaft position sensor 2 44 not assigned
19 not assigned 45 Signal, speed sensor
20 not assigned 46 Ground, speed sensor
21 not assigned 47 not assigned
22 Engine coolant temperature sensor 48 not assigned
23 Signal, mass air flow sensor 49 Signal, knock sensor 1
24 Signal, throttle position sensor 1 50 Gound, knock sensor 1
25 Ground, throttle position sensors 1 + 2 51 not assigned
26 Valve lift control, cylinder 4 - 6 52 Speed signal from ABS control module
Connector IV, 40-pole
Pin Designation Pin Designation
1 Interlock clutch switch 21 Signal, differential pressure sensor
2 not assigned 22 not assigned
3 not assigned 23 not assigned
4 Coolant fan, stage 1 24 Automatic I/M test
5 not assigned 25 Triggering of engine compartment fan
relay (terminal 85)
6 not assigned 26 Triggering of DME relay (terminal 85)
7 Ground, pedal sensor 1 27 Triggering of A/C compressor fan relay
(terminal 85)
8 Signal, pedal sensor 1 28 not assigned
9 5 V supply, pedal sensor 1 29 not assigned
10 Triggering of fuel pump relay (terminal 85) 30 EVAP canister shutoff valve
11 not assigned 31 not assigned
12 Ground, pedal sensor 2 32 not assigned
13 Signal, pedal sensor 2 33 Manual transmission start enable
14 5 V supply, pedal sensor 2 34 Air conditioning medium pressure
switch
Connector assignment - 911 Carrera (996) 0-4.1 page 3
Printed in Germany – 8, 2002 STB_DMFL
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