0387372 JOHNSON COVER ASSY.

Block diagram for the C1.5 engine
Illustration 1 g03339508
Typical example
(1) Air cleaner
(2) Air inlet temperature sensor
(3) Aftertreatment Regeneration Device (ARD) air pump
(4) ARD glow plug relay
(5) Diesel Particulate Filter (DPF) differential pressure sensor
(6) ARD glow plug
(7) ARD combustion chamber temperature sensor
(8) Turbocharger
(9) ARD combustion chamber
(10) Diesel Oxidation Catalyst (DOC) and DPF
(11) DOC inlet temperature sensor
(12) DPF inlet temperature sensor
(13) DPF outlet temperature sensor
(14) Boost pressure sensor
(15) ARD body
(16) ARD injector No.1
(17) ARD injector No.2
(18) Injector leak-off return line
(19) Coolant temperature sensor
(20) Primary speed sensor
(21) Electronic Control Module (ECM)
(22) Engine
(23) Oil pressure switch
(24) Engine glow plug relay
(25) Fuel injection pump and fuel control rack
(26) Fuel rack actuator
(27) Fuel rack position sensor
(28) Fuel transfer pump
(29) Secondary fuel filter
(30) Primary fuel filter
(31) In line fuel filter
(32) Fuel tank
(33) Fuel restrictor Block diagram for the C2.2 engine
Illustration 2 g03339507
Typical example
(1) Air cleaner
(2) Air inlet temperature sensor
(3) Aftertreatment Regeneration Device (ARD) air pump
(4) ARD glow plug relay
(5) Diesel Particulate Filter (DPF) differential pressure sensor
(6) ARD glow plug
(7) ARD combustion chamber temperature sensor
(8) ARD combustion chamber
(9) Diesel Oxidation Catalyst (DOC) and DPF
(10) DOC inlet temperature sensor
(11) DPF inlet temperature sensor
(12) DPF outlet temperature sensor
(13) ARD body
(14) ARD injector No.1
(15) ARD injector No.2
(16) Injector leak-off return line
(17) Coolant temperature sensor
(18) Primary speed sensor
(19) Electronic Control Module (ECM)
(20) Engine
(21) Oil pressure switch
(22) Engine glow plug relay
(23) Fuel injection pump and fuel control rack
(24) Fuel rack actuator
(25) Fuel rack position sensor
(26) Fuel transfer pump
(27) Secondary fuel filter
(28) Primary fuel filter
(29) In line fuel filter
(30) Fuel tank
(31) Fuel restrictor Block diagram for the C2.2T engine
Illustration 3 g03339510
Typical example
(1) Air cleaner
(2) Air inlet temperature sensor
(3) Aftertreatment Regeneration Device (ARD) air pump
(4) ARD glow plug relay
(5) Diesel Particulate Filter (DPF) differential pressure sensor
(6) ARD glow plug
(7) ARD combustion chamber temperature sensor
(8) Turbocharger
(9) ARD combustion chamber
(10) Diesel Oxidation Catalyst (DOC) and DPF
(11) DOC inlet temperature sensor
(12) DPF inlet temperature sensor
(13) DPF outlet temperature sensor
(14) Boost pressure sensor
(15) ARD body
(16) ARD injector No.1
(17) ARD injector No.2
(18) Valve for the NOx Reduction System (NRS)
(19) Exhaust gas cooler (NRS)
(20) Injector leak-off return line
(21) Coolant temperature sensor
(22) Primary speed sensor
(23) Electronic Control Module (ECM)
(24) Engine
(25) Oil pressure switch
(26) Engine glow plug relay
(27) Fuel injection pump and fuel control rack
(28) Fuel rack actuator
(29) Fuel rack position sensor
(30) Fuel transfer pump
(31) Secondary fuel filter
(32) Primary fuel filter
(33) In line fuel filter
(34) Fuel tank
(35) Fuel restrictor Sensor Locations for the Engine
The illustrations in this section show the typical locations of the sensors for the industrial engine. Specific engines may appear different from the illustration due to differences in applications.Note: In the following illustrations, some components have been removed in order to improve visibility.
Illustration 4 g03339512
Sensor locations on the left side of the C1.5 engine
(1) Coolant temperature sensor
(2) Primary speed sensor
Illustration 5 g03339513
Close up views of sensor locations on the left side of the C1.5 engine
(1) Coolant temperature sensor
(2) Primary speed sensor
Illustration 6 g03339514
Sensor and component locations on the top and right side of the C1.5 engine
(3) DPF differential pressure sensor
(4) ARD glow plug
(5) ARD glow plug resistor
(6) Boost pressure sensor (if equipped)
(7) Oil pressure switch
(8) Air inlet temperature sensor
(9) ARD air pump
(10) Secondary speed sensor
(11) Fuel injection pump and fuel control rack
(12) Fuel rack solenoid and position sensor
(13) Electric fuel priming pump
Illustration 7 g03339515
Close-up views of sensor and component locations on the top and right side of the C1.5 engine
(3) DPF differential pressure sensor
(4) ARD glow plug
(5) ARD glow plug resistor
(6) Boost pressure sensor (if equipped)
(7) Oil pressu