Ignition Final Stage Control Signal Test - Porsche 944 Workshop Manual

944 S/944 S2
f) Ignition final stage control signal test
Connect DME control unit plug.
Connect oscilloscope's positive tester lead
on terminal 5 and negative tester lead on
terminal 2 of the disconnected final stage
plug.
Operate starter motor.
Oscilloscope should display the control
signal of the DME control unit.
DME - Diagnosing/Troubleshooting
Printed In Germany - XXI, 1989
Fuel System - Electronic Control
Very important:
Coat the baseplate with a heat conducting
paste prior to installation of the ignition final
stage. Keep heat conducting paste off of
painted parts.
Heat conducting paste:
Bosch No. 5 942 860 003.
1 - Final stage
2 - Baseplate
24/28
D 24/28 - 27