Electrical Connectors and Functions
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| Connector | Component |
|---|---|
| J1/P1 | Electronic Control Module |
| J2/P2 | Electronic Control Module |
| J4/P4 - J19/P19 | Electronic Fuel Injector |
| J20/P20 | Primary Engine Speed/Timing Sensor |
| J21/P21 | Coolant Temperature Sensor |
| J22/P22 | Filtered Engine Oil Pressure Sensor |
| J23/P23 | Turbocharger Compressor Outlet Pressure Sensor |
| J25/P25 | Right Turbocharger Compressor Inlet Pressure Sensor |
| J26/P26 | Timing Calibration Connector |
| J27/P27 | Atmospheric Pressure Sensor |
| J28/P28 | Left Turbocharger Compressor Inlet Pressure Sensor |
| J29/P29 | Crankcase Pressure Sensor |
| J30/P30 | Left Exhaust Temperature Sensor |
| J31/P31 | Right Exhaust Temperature Sensor |
| J32/P32 | Aftercooler Temperature Sensor |
| J42/P42 | Service Tool Connector |
| J44/P44 | Secondary Engine Speed/Timing Sensor |
| J48/P48 | Unfiltered Engine Oil Pressure Sensor |
| J49/P49 | Filtered Fuel Pressure Sensor |
| J50/P50 | Unfiltered Fuel Pressure Sensor |
| J51/P51 | Inlet Air Temperature Sensor Engine Oil Temperature Sensor |
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| Illustration 1 | g00607248 |
Electronic Control Module | |
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| Illustration 2 | g00607253 |
ECM Connector | |
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| Illustration 3 | g00607231 |
ECM Connector | |
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| Illustration 4 | g00680848 |
"3 Pin" Electrical Connectors | |
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| Illustration 5 | g00680846 |
"2 Pin" Electrical Connectors | |
Caterpillar Information System:
3406E Generator Set Engines Fuel System Primary Filter/Water Separator - Drain
3176C and 3196 Engines for Caterpillar Built Machines CID 0545 FMI 05 Ether Start Relay open/short to +batt
3408E and 3412E Engines for Caterpillar Built Machines CID 0342 FMI 03 Secondary Engine Speed open/short to +batt
Alternator - Delco 21SI Alternator
3512B Petroleum Engines Checking Engine Cylinders with an Electronic Service Tool
723PLUS Digital Speed Control Electrical Connections
3456 Engine, 836G Landfill Compactor, 834G Wheel Dozer and 988G Wheel Loader CID 0274 FMI 03 Atmospheric Pressure open/short to +batt
3512B Petroleum Engines Fuel System Operation
3456 Engine, 836G Landfill Compactor, 834G Wheel Dozer and 988G Wheel Loader CID 0273 FMI 03 Turbo Outlet Pressure open/short to +batt
G3412C, G3508, G3512, G3516, G3606, G3608, G3612 and G3616 Engines Customer Communication Module System - Troubleshoot
G3412C, G3508, G3512, G3516, G3606, G3608, G3612 and G3616 Engines Customer Communication Module Diagnostic Code - Troubleshoot
C-10, C-12, C-15 and C-16 Industrial Engines CID 0263 FMI 04 Digital Sensor Supply short to ground
3456 Engine, 836G Landfill Compactor, 834G Wheel Dozer and 988G Wheel Loader CID 0273 FMI 04 Turbo Outlet Pressure short to ground
3500B and 3500B High Displacement Generator Set Engines Electronic Service Tools
3456 Engine, 836G Landfill Compactor, 834G Wheel Dozer and 988G Wheel Loader CID 0274 FMI 13 Atmospheric Pressure calibration required
3512B and 3516B High Displacement Locomotive Engines Model View Illustrations
3512B Petroleum Engines Fuel Pressure
C-9 Engine for TK711, TK721, TK722, TK732, TK741, TK751, and TK752 Track Feller Bunchers CID 0268 FMI 02 Check Programmable Parameters
3456 Engine, 836G Landfill Compactor, 834G Wheel Dozer and 988G Wheel Loader CID 0273 FMI 00 Turbo Outlet Pressure above normal
3512B and 3516B High Displacement Locomotive Engines Engine Oil and Filter - Change
3500B and 3500B High Displacement Generator Set Engines Fuel Injector Trim Code
3508B, 3512B, and 3516B High Displacement Generator Sets Reference Material
2000/02/01 Interactive Self-Paced Computer Training Course Available forTechnical Marketing Information (TMI) System Users {0314}
3524B Engines for 797 and 797B Off-Highway Trucks Engine Rotation