Kohler EKOZD Series Service page 160

9.8 Powering Up the ECU without
Cranking the Engine
If connecting to Kohler's
troubleshooting in the field or reprogramming the engine
ECU, follow this procedure for 28- 40 kW marine units
equipped with a Decision-Makerr 3500 controller:
1. Connect a USB cable from a Laptop (equipped with
SiteTecht) to
controller. See Figure 9-11 for the USB connection
at the Decision-Makerr 3500 controller.
2. Connect the Kohler Diagnostic Tool from a Laptop
to the ECU Diagnostic port on the generator. See
Figure 9-11 for the port location.
1. ECU diagnostic port (port included in harness located inside
junction box, behind controller)
2. USB connector
Figure 9-11 ECU Diagnostic Port and USB
Connector Locations
3. Open SiteTecht
Decision-Makerr 3500 controller is established.
Under the GENSET SYSTEM CONFIGURATION
parameter, change ECM Powered Mode from
"OFF" to "ON". See Figure 9-12
160 Section 9 Component Testing and Adjustment
Diagnostic Tool
the Decision-Makerr
1
after connection to
for
3500
2
Figure 9-12 Genset System Configuration Parameter
4. When opening the Kohler Diagnostic Tool Program
on the laptop, it should now power the LEDs on the
EDL and attempt to establish connection with the
ECU.
Note: If the RUN button is pressed or the controller is
the
powered down, the parameter will change back
to "OFF" automatically.
(in SiteTecht)
TP-6953 7/19