C1.5 and C2.2 Engines for Caterpillar Built Machines Caterpillar


Sensors and Electrical Connectors

Usage:

CB-22B 2B2
For the C1.5T engine, refer to Illustrations 1 through 4. For the C2.2NA and C2.2T engines, refer to Illustrations 5 through 8. For the sensors and components on the Clean Emissions Module (CEM), refer to Illustration 9.

Note: In the following illustrations, some components have been removed to improve visibility.



Illustration 1g06046113
Typical sensor locations on the left side of the C1.5T engine
(1) Coolant temperature sensor
(2) Primary speed sensor


Illustration 2g06046119
Close-up views of typical sensor locations on the left side of the C1.5T engine
(1) Coolant temperature sensor
(2) Primary speed sensor


Illustration 3g03233776
Sensor and component locations on the top and right side of theC1.5T engine
(3) DPF differential pressure sensor
(4) ARD glow plug
(5) ARD glow plug resistor
(6) Intake manifold pressure sensor
(7) Oil pressure switch
(8) Air inlet temperature sensor
(9) ARD air pump
(10) Secondary speed sensor
(11) Fuel pump and fuel rack
(12) Fuel rack solenoid and position sensor
(13) Electric fuel lift pump


Illustration 4g03234296
Close-up views of sensor and component locations on the top and right side of theC1.5T engine
(3) DPF differential pressure sensor
(4) ARD glow plug
(5) ARD glow plug resistor
(6) Intake manifold pressure sensor
(7) Oil pressure switch
(8) Air inlet temperature sensor
(9) ARD air pump
(10) Secondary speed sensor
(11) Fuel pump and fuel rack
(12) Fuel rack solenoid and position sensor
(13) Electric fuel lift pump


Illustration 5g06046121
Sensor locations on the left side of the C2.2 engine
(14) Coolant temperature sensor
(15) Primary speed sensor


Illustration 6g06046124
Close up views of sensor locations on the left side of the C2.2 engine
(14) Coolant temperature sensor
(15) Primary speed sensor


Illustration 7g03231776
Typical sensor locations on the right side and top of the C2.2 engine
(16) DPF differential pressure sensor
(17) ARD glow plug
(18) Intake manifold pressure sensor (C2.2T only)
(19) Oil pressure switch
(20) Air inlet temperature sensor
(21) ARD air pump
(22) Secondary speed sensor
(23) Fuel pump and fuel rack
(24) Fuel rack solenoid and position sensor
(25) Electric fuel lift pump


Illustration 8g03237918
Close-up views of typical sensor locations on the right side and top of the C2.2 engine
(16) DPF differential pressure sensor
(17) ARD glow plug
(18) Intake manifold pressure sensor (C2.2T only)
(19) Oil pressure switch
(20) Air inlet temperature sensor
(21) ARD air pump
(22) Secondary speed sensor
(23) Fuel pump and fuel rack
(24) Fuel rack solenoid and position sensor
(25) Electric fuel lift pump


Illustration 9g03239997
Sensors and components on a typical Clean Emissions Module (CEM)
(26) DPF outlet pressure connection
(27) DPF intake pressure connection
(28) DOC intake temperature sensor
(29) DPF intake temperature sensor
(30) DPF outlet temperature sensor

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