Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 60
DME 7.8 DME 7.80 · To receive a ready message, allow the vehicle to warm up (engine
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DME 7.8 DME 7.80
To receive a ready message, allow the vehicle to warm up (engine
temperature > 80 °C) and then activate all diagnostic routines which
have not yet been carried out under the menu item "Short test."
Drive Links
Drive links (actuators) of the DME can be activated by the Porsche
System Tester 2 with this menu item. This permits the electric func-
tion of the drive links to be assessed very quickly.
The following drive links can be activated:
♦A/C compressor
♦EVAP canister purge valve
♦Engine compartment purge fan
♦Secondary air pump
♦Switch-over valve (secondary air)
♦EVAP canister shutoff valve
♦Frequency valve, boost pressure control
♦Fan
♦Fuel pump relay (fuel pump)
♦Cooling water shutoff valve
♦Overrun recirculating air valve
♦Valve lift control, bank 1 and 2
Drive Link Active
With this menu item, drive links of the DME can be triggered by the
Porsche System Tester 2 when the engine is running. This permits
the function of the drive links to be assessed very quickly.
The following drive links can be activated:
♦Cylinder 1 injection valve off
♦Cylinder 2 injection valve off
♦Cylinder 3 injection valve off
♦Cylinder 4 injection valve off
♦Cylinder 5 injection valve off
♦Cylinder 6 injection valve off
♦Valve lift control, bank 1 and 2
♦Camshaft adjustment, bank 1
♦Camshaft adjustment, bank 2
0-2a page 10 Data Output with the Porsche System Tester 2
pst_dm78 Printed in Germany – 4, 2002
This is a source reference. Confirm exact model applicability in the original material.
