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Home >> Porsche >> 1987 >> 924 S L4-2479cc 2.5L >> Repair and Diagnosis >> Diagrams >> Connector Views >> Engine Control Module
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Engine Control Module



35 Position ECU Plug:




Pin Layout

System
DME

Location
- Passenger footwell
- Under drivers seat [Carrera]

Terminal ID
1 - Output to coil(-) control
2 - Closed throttle input
3 - Full Load throttle input
4 - Starter solenoid input
5 - Chassis ground
6 - Air flow sensor ground
7 - Air flow sensor load input
8 - Engine speed sensor (+)
9 - Air flow sensor supply
10 - Coding (ground Calf)
11 - Injector control pulse width output
12 - Diagnostic
13 - Coolant temp. sensor input
14 - Injector(s) 2 control
15 - Injector(s) 2 control
16 - Chassis ground
17 - Chassis ground
18 - Main relay power input
19 - Chassis ground
20 - Fuel pump relay control
21 - Tach to Instrument cluster
22 - Air temperature sensor input
23 - Shield ground
24 - Oxygen sensor
25 - Mark sensor (-) input
26 - Mark sensor (+) input
27 - Engine speed sensor (-)
28 - Ground
29 - A/C compressor
30 - Altitude switch (Not installed on 911 Car.)
31 - To knock ECU (944 Turbo only)
32 - To knock ECU (944 Turbo only)
33 - SC Valve control
34 - ISC Valve control
35 - Main relay power input