DSE Model 5210 Automatic Start Engine Management and Instrumentation System Operators Manual
5.3.1 CANBUS MESSAGES
On J1939 enabled 52xx controllers connected to a CanBus ECU, alarm status messages are transmitted to the
52xx controller and displayed on the CanBus message instrumentation page.
Can alarm message
Suspect Parameter Number (SPN) = 102
Failure Mode Indicator (FMI) = 16
Examples of SPN / FMI numbers, taken
from the Volvo Penta TAD12 manual are :
SPN 110 – Engine coolant temperature
FMI 0 – Out of range
FMI 3 – Above normal
FMI 4 – Below normal
NOTE:- For details on these code meanings, refer to the ECU instructions provided by the engine
manufacturer.
NOTE:- When using 52xx configuration and instrumentation PC software, ‘hovering’ the mouse
cursor over the SPN/FMI numbers will display the J1939 messages where appropriate.
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