GASKET 8M5585 - Caterpillar

Block Diagrams for C175 Engines
Components for Primary ECM Control
Illustration 1 g02725039Components for the Secondary (Redundant) ECM Control
Illustration 2 g02725043Locations of the Engine Sensors
Illustration 3 g02438696
Locations of the engine sensors (right side engine view)
(1) Intake manifold pressure sensor (RH)
(2) Intake manifold temperature sensor (RH)
(3) Position sensor for the right air shutoff
(4) Air shutoff solenoid
(5) Fuel transfer pressure sensor (unfiltered)
(6) Fuel temperature sensor for the low-pressure fuel
(7) Fuel transfer pressure sensor (filtered)
(8) Fuel transfer pressure sensor for the secondary ECM (filtered)
(9) Right rail connector
(10) Crankcase pressure sensor
(11) Temperature Control Module (TCM) for the separate circuit aftercooler system
(12) Pressure sensor at the water pump outlet for the separate circuit aftercooler system
(13) Temperature sensor at the water pump outlet for the separate circuit aftercooler system
(14) Controller for the Fuel Control Valve (FCV) (primary ECM)
(15) Leak detection sensor for the high-pressure fuel rail
(16) Temperature sensor for the high-pressure fuel system
(17) Controller for the FCV (secondary ECM)
(18) Electric fuel priming pump
Illustration 4 g02438977
Locations of the engine sensors (top engine view)
(19) Secondary speed/timing sensor (RH)
(20) Tertiary speed/timing sensor (LH)
(21) Sensor for the right turbocharger turbine inlet temperature
(22) Sensor for the left turbocharger turbine inlet temperature
(23) Right turbocharger compressor inlet pressure sensor (No. 2)
(24) Left turbocharger compressor inlet pressure sensor (No. 1)
(25) Secondary fuel rail pressure sensor
(26) Inlet air temperature
(27) Fuel rail pressure sensor
(28) Temperature Control Module (TCM) for the jacket water cooling system
(29) Filtered oil temperature sensor
(30) Secondary filtered oil temperature sensor
(31) Filtered oil pressure sensor
(32) Secondary filtered oil pressure sensor
(33) Unfiltered oil pressure sensor
Illustration 5 g02438978
Locations of the engine sensors (left side engine view)
(34) Control box connector for the front harness
(35) Left rail connector
(36) Primary power connector
(37) Secondary power connector
(38) Position sensor for the left air shutoff
(39) Service tool connector
(40) Engine interface connector
(41) Intake manifold pressure sensor (LH)
(42) Intake manifold temperature sensor (LH)
(43) Coolant pump outlet temperature sensor
(44) Low current power distribution panel
(45) High current power distribution panel
(46) Primary speed/timing sensor
Illustration 6 g02725050
Locations of the engine sensors (front engine view)
(47) Secondary atmospheric pressure sensor
(48) Control assembly (diode box)
(49) Atmospheric pressure sensor
(50) ECM (Primary)
(51) Secondary ECM
(52) Temperature Control Module (TCM)
(53) Coolant pressure sensor for the engine block inlet
(54) Secondary coolant pressure sensor for the engine block inlet
(55) Solenoid for the prelubrication pump
(56) Coolant pressure sensor for the engine block outlet
(57) Secondary coolant temperature sensor for the engine block outlet
(58) Coolant temperature sensor for the engine block outlet
Illustration 7 g03671596
Locations of the engine sensors (front engine view) with out diode box.
(47) Secondary atmospheric pressure sensor
(48) Atmospheric pressure sensor
(49) ECM (Primary)
(50) Secondary ECM
(51) Temperature Control Module (TCM)
(52) Coolant pressure sensor for the engine block inlet
(53) Secondary coolant pressure sensor for the engine block inlet
(54) Solenoid for the prelubrication pump
(55) Coolant pressure sensor for the engine block outlet
(56) Secondary coolant temperature sensor for the engine block outlet
(59) Coolant temperature sensor for the engine block outlet