850862F 3 Mercury COVER

Table 1
Diagnostic Codes Table    
Description    Conditions which Generate this Code    System Response    
1042-9 1042-9 ITSM : Abnormal Update Rate     The Electronic Control Module (ECM) has not received the last ten messages that were expected from the ITSM over the Cat Data Link.     The code is logged.
The alarm output is activated.    
1489-3 Left Turbo Turbine Outlet Temperature Sensor : Voltage Above Normal     The ECM has detected a voltage in the circuit for the exhaust temperature sensor that is above normal.     The code is logged.
The alarm output is activated.    
1489-4 Left Turbo Turbine Outlet Temperature Sensor : Voltage