3500B Engines for 5130B and 5230B Excavators Electrical Connectors and Functions Caterpillar


Electrical Connectors and Functions
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Table 1
Connector     Component    
J1/P1     Electronic Control Module (Key C) (40 pin)    
J2/P2     Electronic Control Module (Key D) (40 pin)    
J3A/P3A     Machine Interface Connector (25 pin)    
J3B/P3B     Machine Interface Connector (25 pin)    
J3E/P3E     Machine Interface Connector (25 pin)    
J4/P4 - J19/P19     Electronic Fuel Injector (2 pin)    
J20/P20     Engine Speed/Timing Sensor (3 pin)    
J21/P21     Coolant Temperature Sensor (3 pin)    
J22/P22     Filtered Engine Oil Pressure Sensor (3 pin)    
J23/P23     Turbocharger Compressor Outlet Pressure Sensor (3 pin)    
J25/P25     Right Turbocharger Compressor Inlet Pressure Sensor (3 pin)    
J26     Timing Calibration Connector (2 pin)    
J27/P27     Atmospheric Pressure Sensor (3 pin)    
J28/P28     Left Turbocharger Compressor Inlet Pressure Sensor (3 pin)    
J29/P29     Crankcase Pressure Sensor (3 pin)    
J30/P30     Left Exhaust Temperature Sensor (3 pin)    
J31/P31     Right Exhaust Temperature Sensor (3 pin)    
J32/P32     Aftercooler Temperature Sensor (3 pin)    
J42     Service Tool Connector (9 pin)    
J47/P47     Coolant Flow Switch (2 pin)    
J48/P48     Unfiltered Engine Oil Pressure Sensor (3 pin)    
J60/P60     Engine Service Tool (9 pin)    
J86/P86     Engine Fan Control Solenoid (2 pin)    
J106/P106     Fuel Filter Differential Pressure Switch (2 pin)    
J112/P112     Low Oil Level Switch (2 pin)    



Illustration 1g00607248

Electronic Control Module




Illustration 2g00607253

ECM Connector




Illustration 3g00607231

ECM Connector




Illustration 4g00819940

Machine interface connectors




Illustration 5g00607251

Electrical Connectors

Information System:

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