Machine Electronic Control Unit (Mecu - jcb JS300 Service Manual

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Table of Contents

Section C - Electrics

Electronic Controllers

Machine Electronic Control Unit (MECU)

The MECU 2 is located inside the cab on the rear bulkhead

3. To get access to the MECU remove the rear access

panel 1. Refer to Section B.

Operation Overview

The MECU receives inputs from various switches and

sensors. The MECU is also connected to the CANbus and

is capable of sending and receiving CAN messages to and

from other CAN enabled ECUs on the machine.

The main function of the MECU is control of the machine

power bands and modes. This is achieved by control of the

engine rpm/torque and the power setting for the main

hydraulic pump.

Internal software data enables the MECU to process inputs

and respond with the applicable outputs and CAN

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