C175-16 Locomotive Engine Caterpillar

Locations of the engine sensors (right side engine view)

(1) Intake manifold pressure sensor

(2) Intake manifold temperature sensor

(3) Crankcase pressure sensor

(4) Fuel transfer pressure sensor (unfiltered)

(5) Fuel transfer pressure sensor (filtered)

(6) Temperature sensor at the water pump outlet for the separate circuit aftercooler system

(7) Pressure sensor at the water pump outlet for the separate circuit aftercooler system

(8) Temperature sensor for the low-pressure fuel system

(9) Temperature sensor for the high-pressure fuel system

Locations of the engine sensors (top side engine view)

(11) Turbocharger compressor inlet pressure sensor (No. 3 (right side))

(12) Sensor for the turbocharger compressor inlet temperature

(13) Turbocharger compressor inlet pressure sensor (No. 4 (right side))

(14) Turbocharger compressor inlet pressure sensor (No. 1 (left side))

(15) Turbocharger compressor inlet pressure sensor (No. 2 (left side))

(16) Secondary speed/timing sensor (RH)

(17) Tertiary speed/timing sensor (LH)

(18) Sensor for the right turbocharger turbine inlet temperature

(19) Sensor for the left turbocharger turbine inlet temperature

(20) Fuel rail pressure sensor

(21) Unfiltered oil pressure sensor

(22) Atmospheric pressure sensor

(23) Electronic Control Module (ECM)

(24) J1/P1 ECM connector

Locations of the engine sensors (left side engine view)

(26) Control box connector for the front harness

(27) Service tool connector that is on the engine

(28) Control box connector for the power connector

(29) Engine interface connector at the control box

(30) Control box connector for the harness that is for the right rail

Locations of the engine sensors (front side engine view)

(32) Coolant pressure sensor at the engine block outlet

(33) Coolant temperature sensor for the engine block outlet

(34) Engine coolant temperature sensor for the Temperature Control Module (TCM)

(35) Filtered oil pressure sensor

(36) Oil temperature sensor