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Chapter 5 – visualisation on mychron4 – AiM LCU-One CAN for MyChron4 User Manual

Page 9

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LCU-ONE CAN connected to MyChron4

User Manual

Release 1.04

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Chapter 5 – Visualisation on MyChron4

Switching MyChron4 on Lambda controller is recognised at start up and probe
WarmUp procedure starts. During this period the controller takes the probe to its
working temperature (until around 780 °C – 1436 °F).

During warmup (around 20-30 seconds), displayed lambda value is 1.00.
When the probe is 100% working, displayed value turns, with the engine off, into 1.60
(free air value).
Clicking on MyChron4 “>>/OFF” button the system switches from temperature
visualisation to lambda visualisation, following this visualisation order:

1st page: MyChron4 temperature (2 values for MyChron4 2T)

2nd page: eBox temperature (if present)

3rd page: selected temperature between these in input and Lambda value (as shown
below);

After the third page the system comes back to the first one. Here below is shown where
temperatures are shown.

Pressing “ON/VIEW” Lambda controller diagnosis page is shown:

It shows lambda value, lambda temperature and diagnosis. The last can be:

Sensor OK: probe status is OK

Sensor Open: the probe is not connected to the controller and the circuit is open

Sensor Fault: short circuit on the wiring

During the session, lambda value page showa lambda value (1) and the selected
temperature (2).

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