Porsche 944 Workshop Manual page 135

944 S/944 S2
Test Point
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DME - Diagnosing/Troubleshooting
Printed In Germany - XXI, 1989
Fuel System - Electronic Control
Description
Precautions
Important Vehicle Information
Testing Requirements
Effects of Faults (Cross Reference List)
DME Control Unit Plug Connections
Power Supply
Idle Speed Contact
Full Load Contact
Engine Temperature Sensor
Air Flow Sensor
Idle Speed Control Activation
Oxygen Regulation Stop
Oxygen Sensor
Intake Air Temperature Sensor
Knock Sensor I
Knock Sensor II
Control Unit Faulty
Hall Signal
Control Unit Faulty
DME Relays
Tank Venting Valve
Check Engine Waming Lamp
Fuel Pressure
Intake System Leaks
Ground and Plug Connections
Speed/Reference Mark Sender
Ignition and Final Stage
Fuel Injectors - Injection Control Unit
Alternator / Regulator
Leads K and L
CO and Idle Speed Test
Coding of Control Unit
Check-Engine-Lamp
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