Power control strategy, Security, Idle stepper motor setting (v3.52p or l – MoTeC PWC Plug-In ECU User Manual

Page 19: Idle stepper motor setting (v3.52p or later), 12 kawasaki installation, Motec

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12

Kawasaki Installation

Tip: The logged data will be useful to check both oil and engine
See Data Logging on how to access the logged data.

Power Control Strategy

The standard Kawasaki JT1500F (Ultra 250/260x) uses an Ignition K
an immobiliser function to power up the craft. If the Ignition K
pressing the Start Button on the left handlebar will start and run the engine.

The installation of the PWC Plug-In ECU solution still uses the I
but without the immobiliser function. It follows the same strategy with some
provisions:

If the engine is not started, or stopped for longer than 15
M400 Marine ECU turns off its own power. Power is not re
the Start Button is pressed again for an engine start.

If tuning adjustments are being made to the M400 Marine ECU via the PC
connection using ECU Manager software, an ECU reset may be required.
In this case, power is removed from the ECU and the CAN connection to
the PC software is halted. To re-connect, remove the Ignition
then re-insert. The CAN connection should re-establish and you may
continue with tuning adjustments

Security

The Ultra 250X/260X uses an encoded Ignition Key which is paired with the
factory ECU.

The PWC Plug-In installation does not include the immobiliser function
important to secure the craft when not in use for example by r
KPE device from the wiring harness.

Note: There are two almost identical devices plugged into the loom, a KTC
device and a KPE device.

Idle Stepper Motor Setting (V3.52P or l

On a new installation of the PWC Plug-In ECU the initial idle RPM may be
very high when the engine is first started.

This is because the stock ECU ‘parks’ the stepper motor in an open position
when the Ignition Key is removed, and then closes the stepper down to a
‘start’ position when the Key is inserted.

MoTeC

both oil and engine temperatures.

Ignition Key with

tion Key is inserted,

pressing the Start Button on the left handlebar will start and run the engine.

ses the Ignition Key

follows the same strategy with some

15 seconds, the

M400 Marine ECU turns off its own power. Power is not re-applied until

400 Marine ECU via the PC

ECU Manager software, an ECU reset may be required.

In this case, power is removed from the ECU and the CAN connection to

gnition Key and

establish and you may

ey which is paired with the

immobiliser function. It is

for example by removing the

There are two almost identical devices plugged into the loom, a KTC

Idle Stepper Motor Setting (V3.52P or later)

In ECU the initial idle RPM may be

This is because the stock ECU ‘parks’ the stepper motor in an open position

epper down to a

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