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Home >> Porsche >> 1987 >> 928 S4 V8-4957cc 5.0L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Control Module >> Testing and Inspection >> Ohms Measurements
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Ohms Measurements



35 Position ECU Plug:




For Terminal ID please refer to "Powertrain Management : Computers and Control Systems : Engine Control Module : Diagrams". Connector Views

CAUTION: When measuring Ohms, disconnect the ECU from the harness plug and never turn the ignition key on. It is possible that failure to follow these steps will result in damage to the ECU.




Grounds



Main Relay



Coolant Temperature Sensor



Throttle Switch



Air Flow Sensor
3 Only applies to HOT-WIRE Air flow sensor.



Single Injector



Injector Group(s)



Fuel Pump Relay



ISC Valve