49736A 3 Mercruiser COUPLING ASSEMBLY

Table 1
Diagnostic Codes Table    
J1939 Code    Code Description    Comments    
100-3     Engine Oil Pressure Sensor : Voltage Above Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
100-4     Engine Oil Pressure Sensor : Voltage Below Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
101-3     Crankcase Air Pressure Sensor : Voltage Above Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
101-4     Crankcase Air Pressure Sensor : Voltage Below Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
108-3     Atmospheric Pressure Sensor : Voltage Above Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
108-4     Atmospheric Pressure Sensor : Voltage Below Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
5580-3     Fuel Pressure Sensor - After Fuel Filter : Voltage Above Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
5580-4     Fuel Pressure Sensor - After Fuel Filter : Voltage Below Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
3563-3     Intake Manifold Pressure Sensor : Voltage Above Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
3563-4     Intake Manifold Pressure Sensor : Voltage Below Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
1387-3     Auxiliary Pressure Sensor : Voltage Above Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
1387-4     Auxiliary Pressure Sensor : Voltage Below Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
2948-3     Engine Intake Valve Actuation System Oil Pressure : Voltage Above Normal     The ECM detects signal voltage that is not in the acceptable range. The code is logged. The value of the parameter is set to a gauge pressure.    
2948-4     Engine Intake Valve Actuation System Oil Pressure : Voltage Below Normal     The ECM detects signal voltage that is not in the acceptable range. The code is logged. The value of the parameter is set to a gauge pressure.    
3242-3     DPF #1 Intake Temperature Sensor : Voltage Above Normal     The code is logged.
The ECM detects voltage that is not in the acceptable range.    
3242-4     DPF #1 Intake Temperature Sensor : Voltage Below Normal     The code is logged.
The ECM detects voltage that is not in the acceptable range.    
3251-2     DPF #1 Differential Pressure Sensor : Erratic, Intermittent, or Incorrect     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
3251-3     DPF #1 Differential Pressure Sensor : Voltage Above Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
3251-4     DPF #1 Differential Pressure Sensor : Voltage Below Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
3358-3     EGR Intake Pressure Sensor : Voltage Above Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
3358-4     EGR Intake Pressure Sensor : Voltage Below Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
411-3     Engine Exhaust Gas Recirculation Differential Pressure Sensor : Voltage Above Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
411-4     Engine Exhaust Gas Recirculation Differential Pressure Sensor : Voltage Below Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
3609-3     DPF #1 Intake Pressure Sensor : Voltage Above Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    
3609-4     DPF #1 Intake Pressure Sensor : Voltage Below Normal     The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.    The supply voltage is routed to terminal 1 of each sensor connector. The sensor return is routed to terminal 2 of each sensor connector. The sensor signal is routed to terminal 3 of each sensor connector. The ECM provides short circuit protection for