PLATE 4642999 - Caterpillar

C3.4B Engine
Illustration 1 g03585656
Sensors and electrical connector locations on the left side of the C3.4B engine (1) High-pressure fuel pump inlet metering valve (2) Fuel rail pressure sensor (3) Fuel temperature sensor (4) Oil pressure switch (5) Primary speed/timing sensor (crankshaft) (6) Electronic Control Module (ECM) P2 connector (7) Glow Plug Control Unit (GPU) connector
Illustration 2 g03586636
Sensors and electrical connector locations on the left side of the C3.4B engine (1) High-pressure fuel pump inlet metering valve (2) Fuel rail pressure sensor (3) Fuel temperature sensor (4) Oil pressure switch (5) Primary speed/timing sensor (crankshaft)
Illustration 3 g03586657
Sensors and electrical connector locations on the right side of the C3.4B engine (8) Intake manifold temperature sensor (9) Intake manifold pressure sensor (10) Exhaust gas pressure sensor (11) NOx Reduction System (NRS) valve (12) Wastegate regulator (13) Oxygen sensor
Illustration 4 g03586681
Sensors and electrical connection locations on the front of the C3.4B engine. (14) Intake throttle valve (15) Coolant temperature sensor (16) Secondary speed/timing sensor (camshaft)Clean Emissions Module (CEM)
Illustration 5 g03586698
Typical view of the sensor locations on the CEM on C3.4B engines equipped with a through-flow DPF (17) Diesel Oxidation Catalyst (DOC) inlet temperature sensor (18) Diesel Particulate Filter (DPF) inlet temperature sensor