Sensors and Electrical Connectors
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| Connector | Function |
|---|---|
| J1/P1 | Electronic Control Module (ECM) Connector |
| J2/P2 | ECM Connector |
| J3/P3 | Customer Connector |
| J20/P20 | Primary Engine Speed/Timing Sensor |
| J21/P21 | Coolant Temperature Sensor |
| J22/P22 | Engine Oil Pressure Sensor |
| J23/P23 | Boost Pressure Sensor |
| J26/P26 | Timing Calibration Probe Connector |
| J27/P27 | Atmospheric Pressure Sensor |
| J34/P34 | Coolant Level Sensor |
| J35/P35 | Throttle Position Sensor |
| J42 | Service Tool Connector (Customer Installed) |
| J43/P43 | Fuel Temperature Sensor |
| J44/P44 | Secondary Engine Speed/Timing Sensor |
| J45/P45 | Injection Actuation Pressure Sensor |
| J46/P46 | Injection Actuation Pressure Control Valve (IAPCV) |
| J49/P49 | Fuel Pressure Sensor |
| J51/P51 | Engine Oil Temperature Sensor |
| J52/P52 to J58/P58 |
HEUI Injectors |
| J60 | Caterpillar Supplied Engine Service Tool Connector |
| J89/P89 | Inlet Air Temperature Sensor |
| J109/P109 | Auxilary Pressure Sensor |
| J114/P114 | Auxilary Temperature Sensor |
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| Illustration 1 | g01055774 |
Diagram of components | |
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| Illustration 2 | g01055778 |
Component locations (1) Coolant temperature sensor (2) Boost pressure sensor (3) Electronic Control Module (ECM) (4) J1/P1 ECM connector (5) J2/P2 ECM connector (6) Timing calibration probe connector (7) Injection actuation pressure sensor (8) J3 Customer connector (9) Fuel presssure sensor connector (10) Primary engine speed/timing sensor (11) Secondary engine speed/timing sensor (12) Fuel temperature sensor (13) Atmospheric pressure sensor (14) Engine oil pressure sensor (15) Engine oil temperature sensor (16) Injection actuation pressure control valve (IAPCV) | |
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