PISTON AS 6Y8945 - Caterpillar

Illustration 1 g01624761
Sensor and connector locations on the left side of the 3054E engine
(1) Electronic Control Module (ECM)
(2) Intake manifold air temperature sensor
(3) Intake manifold pressure sensor
(4) Machine Interface Connector (MIC)
(5) Engine speed/timing sensor
(6) Engine oil pressure sensor
Illustration 2 g01624766
Typical location for the VLPM on the 3054E engine
(7) Voltage Load Protection Module (VLPM)
Illustration 3 g01624776
Sensor and connector locations on the right side of the 3054E engine
(8) Engine coolant temperature sensor
Illustration 4 g01326109
Sensor and connector locations on the left side of the 3056E engine
(9) Engine coolant temperature sensor
(10) Engine oil pressure sensor
(11) Engine speed/timing sensor
(12) Electronic Control Module (ECM)
Illustration 5 g01326110
Typical location for the VLPM on the 3056E engine
(13) Voltage Load Protection Module (VLPM)
Illustration 6 g01326111
Sensor and connector locations on the right side of the 3056E engine
(14) Intake manifold pressure sensor
(15) Intake manifold air temperature sensor
Table 1
Connector Function
J1/P1 ECM Connector 70 Pin Machine Harness
J20/P20 Machine Interface Connector (70-Pin Engine Harness)
J40/P40 Fuel Injection Pump (3-Pin Connector)
J100/P100 Engine Coolant Temperature Sensor (2-Pin Connector)
J103/P103 Intake Manifold Air Temperature Sensor (2-Pin Connector)
J200/P200 Intake Manifold Pressure Sensor (3-Pin Connector)
J201/P201 Engine Oil Pressure Sensor (3-Pin Connector)
J401/P401 Speed/Timing Sensor (2-Pin Connector)
Illustration 7 g01326114
Schematic diagram of the fuel system
(1) Fuel injection pump
(2) Electronic Control Module (ECM)
(3) Voltage Load Protection Module (VLPM)
(4) Diagnostic connector
(5) Electronic service tool
(6) 36 -1 tooth crankshaft gear
(7) Speed/timing sensor
(8) Intake manifold pressure sensor
(9) Engine oil pressure sensor
(10) Intake manifold air temperature sensor
(11) Engine coolant temperature sensor
(12) Machine interface connector