Rotax 915 i A series Maintenance Manual page 367

ECU INSTALLED IN AIRCRAFT
The identification of current ECU configuration, read
out of logs and the software updating process is the
same as on workbench, see previous section.
CONNECTION
ATTENTION
The battery must provide constant voltage thru
the whole extraction process. If this can't be
ensured, an external power supply must be
Connect computer with ECU
NOTE
If 2 Sub-D connectors are installed, proceed as
follows. If only 1 Sub-D connector is installed,
connect B.U.D.S. Aircraft Set directly.
Step Procedure
1 Connect B.U.D.S. Aircraft Set with the
USB-Port of your computer. If the device
is connected and installed the RED indi-
cator light should light up.
2 Connect the B.U.D.S. Aircraft Set Sub- D
DE9 connector with the Sub-D DE9 sock-
et of the Y-cable.
3 Connect both Sub-D DE9 sockets of the
Maintenance CAN with the Sub-D DE9
connectors of the Y-cable.
4 Now the setup should be as shown in fol-
lowing figure.
5 Activate the EMS by supplying it with air-
craft power.
Effectivity: 915 i A Series
Edition 0/Rev. 0
MAINTENANCE MANUAL HEAVY
used.
BRP-Rotax
Figure 15.18
Computer
1
3 Y-cable
FINISHING WORK
• Attach all the necessary fastenings (e.g. cable ties,
holders, clamps etc.) of the wiring harness.
• Transfer the actual data documented when remov-
ing the old ECU to the newly installed ECU.
• Delete the error memory of the new ECU.
• Carry out an engine test run.
• Read out the ECU.
2
B.U.D.S. Aircraft Set
Cockpit (Simulation)
4
76–10–00
Page 17
August 01 2018