Power-up sequence
To power up the EMS, the ignition pin in the engine
connector must be connected to battery + (system
voltage). The EMS will then activate the Power Mod-
ule, acting as a main relay, and hold the power until
the power-down sequence is finished.
The engine management system will power up within
one second of ignition being switched on.
Bus interface
Associated input:
OEM interface connector pin 5 – ignition.
Engine control interface, Power-up sequence
12 47706587 05-2015 © AB VOLVO PENTA
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