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 Unit 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 |
| J35/P35 | Engine Coolant Level 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 |
| J53/P53 | Optional Fuel Temperature Sensor |
| J60/P60 | CAN Data Link |
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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:
2000/11/01 New Turbochargers Are Now Available {1052}
3618 Engine Oil Mist Detector - Maintain
3116 On Highway Engines Pistons and Connecting Rods - Remove
3116 On Highway Engines Pistons and Connecting Rods - Disassemble
3054, 3054B and 3056 Marine Engines Water Temperature Regulator Housing - Remove and Install - 3056 Engine
3608 Engine Plate Locations and Film Locations
3618 Engine Specifications
2000/10/01 New Jake Brake Housing {1119, 1129}
Electronic Modular Control Panel II (EMCP II) Starting Motor Magnetic Switch - Test - PEEC Engines Only
320D and 323D Excavators Machine System Specifications Pilot Valve (One Way)
Electronic Modular Control Panel II (EMCP II) Troubleshooting Dedicated Shutdown Indicators
C9 Engine For Caterpillar Built Machines Turbocharger - Remove
3054, 3054B and 3056 Marine Engines Air Cleaner - Remove and Install
2000/10/01 A New Cylinder Liner And A New Combustion Gasket Are Used {1216, 7555}
3618 Engine Metal Particle Detector - Inspect
3406E On-Highway Engine Crankshaft Rear Seal - Install
3406E Engine Engine Control Module - Remove and Install
3054, 3054B and 3056 Marine Engines Crankcase Breather - Remove and Install - 3056 Engine
3500B Industrial Engines Injector Solenoids
UPS 250, UPS 300, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supply Static Switch Module - Remove and Install
3500B Industrial Engines Prelubrication System
2000/10/01 A New Fuel Filter Element Assembly Has Been Released {1261}
G3406 Engines Cylinder Head Valves
2001/01/01 Watch Windows Standard Software Is Now Available {7620}