System Overview
System Component Diagram
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| Illustration 1 | g01622007 |
Electrical Connectors and Functions
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| Connector | Function |
| J5/P5 | Fuel Shutoff Solenoid (3-Pin Connector) |
| J6/P6 | Rack Solenoid (3-Pin Connector) |
| J7/P7 | Coolant Level Sensor (3-Pin Connector) |
| J8/P8 | Boost Pressure Sensor (3-Pin Connector) |
| J9/P9 | Oil Pressure Sensor (3-Pin Connector) |
| J10/P10 | Engine Speed Sensor (3-Pin Connector) |
| J11/P11 | Rack Position Sensor Connector (3-Pin) |
| J12/P12 | Coolant Temperature Sensor (3-Pin Connector) |
| J13 | ATA Data Link (9-Pin Connector) |
| J14/P14 | ECM (40-Pin Connector) |
| J15/P15 | Atmospheric Pressure Sensor (3-Pin Connector) |
| J17/P17 | Customer Connector (24-Pin Connector) |
Pin Descriptions
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| J14/P14 40-Pin ECM Connector | |
| Pin | Name |
| 1 | +Battery |
| 2 | Auxiliary Circuit |
| 3 | Low Oil Pressure |
| 4 | Diagnostic Lamp |
| 5 | Derate from Atmospheric Pressure |
| 6 | Spare |
| 7 | Spare Switch Input |
| 8 | Primary Throttle |
| 9 | CatData Link + |
| 10 | +8 VDC |
| 11 | Spare |
| 12 | Crank |
| 13 | Low Boost Pressure |
| 14 | Low Coolant Level |
| 15 | High Coolant Temperature |
| 16 | Spare Switch Input |
| 17 | Idle/Rated Switch |
| 18 | Engine Speed |
| 19 | Cat Data Link - |
| 20 | Coolant Temperature |
| 21 | -Battery |
| 22 | Solenoid Ground |
| 23 | Rack Solenoid |
| 24 | Spare Switch Input |
| 25 | Boost Pressure |
| 26 | Coolant Level Switch |
| 27 | Engine Oil Pressure |
| 28 | Spare Frequency Input |
| 29 | ATA Data Link |
| 30 | +5 VDC |
| 31 | Engine Shutdown |
| 32 | Spare Driver |
| 33 | Fuel Shutoff Solenoid |
| 34 | Atmospheric Pressure |
| 35 | Analog Return |
| 36 | Spare Switch Input |
| 37 | Droop |
| 38 | ATA Data Link |
| 39 | Spare Analog Input |
| 40 | Rack Position |
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| J17/P17" 24-Pin Customer Connector" | |
| Pin | Name |
| 1 | Fuel Shutoff Solenoid |
| 2 | Auxiliary Circuit |
| 3 | Droop |
| 4 | High Coolant Temperature Lamp |
| 5 | Low Boost Pressure |
| 6 | Shutoff |
| 7 | Idle/Rated Switch |
| 8 | Derate From Atmospheric Pressure |
| 9 | Throttle |
| 10 | Diagnostic Lamp |
| 11 | Low Oil Pressure Lamp |
| 12 | Low Coolant Level Lamp |
| 13 | +Battery |
| 14 | Engine Shutdown |
| 15 | Auxiliary Circuit |
| 16 | Auxiliary Circuit |
| 17 | Auxiliary Circuit |
| 18 | Cat Data Link + |
| 19 | -Battery |
| 20 | Auxiliary Circuit |
| 21 | Auxiliary Circuit |
| 22 | Auxiliary Circuit |
| 23 | Auxiliary Circuit |
| 24 | Cat Data Link - |
Caterpillar Information System:
G3412C, G3508, G3512 and G3516 Engines Status Control Module 07 dIAG
2008/08/18 An Improved Top Piston Ring Is Used {1214, 1215}
New Secondary Fuel Filter{1261} New Secondary Fuel Filter{1261}
G3412C, G3508, G3512 and G3516 Engines Status Control Module 06 dIAG
New Secondary Fuel Filter{1261} New Secondary Fuel Filter{1261}
C6.6 Marine Generator Set Connecting Rod
325 Variable Undercarriage VH Undercarriage/VM Undercarriage Hydraulic System Undercarriage Cylinder (Adjustable Gauge) - VH Undercarriage
3412, 3412C, and 3412E Generator Set Engines General Information - System Operation
C6.6 Marine Generator Set Crankshaft Seals
3412, 3412C, and 3412E Generator Set Engines Welding Precaution
C6.6 Marine Generator Set Sensors and Electrical Connectors
C1.1, C1.5 and C2.2 Generator Sets Camshaft - Install
G3412C, G3508, G3512 and G3516 Engines Status Control Module 09 dIAG
2008/08/25 New Cylinder Liners and O-ring Seals are Used {1201, 1216}
2008/08/18 Two New V-Belt Sets for the Fan Drive on the C32 are Available {1357, 1359}
325 VARIABLE UNDERCARRIAGE VH Undercarriage/VM Undercarriage Hydraulic System Relief Valve (Travel Motor) - Test and Adjust - VH Undercarriage
2009/03/09 An Improved Auxiliary Sea Water Pump Is Available {1371}
3408E and 3412E Engines for Caterpillar Built Machines Fuel Temperature Sensor
C6.6 Marine Generator Set Piston and Rings
C6.6 Marine Generator Set Front Housing and Covers
3512B Generator Set Engine Engine Monitoring System
3412, 3412C, and 3412E Generator Set Engines ECM - Replace
C6.6 Marine Generator Set Gear Group (Front)
C6.6 Marine Generator Set Flywheel