C4.4 and C6.6 Engines for Caterpillar Built Machines Sensors and Electrical Connectors Caterpillar


Sensors and Electrical Connectors
`
C4.4 and C6.6 Engines for Caterpillar Built Machines [KENR5389]
ELECTRICAL AND STARTING SYSTEM
SENSOR GP
C4.4 and C6.6 Engines for Caterpillar Built Machines Engine Speed/Timing Sensor Circuit - Test
C4.4 and C6.6 Engines for Caterpillar Built Machines Sensors and Electrical Connectors

The Electronic Control Module (ECM) and the sensors are located on the left side of the engine. Refer to Figure 1 or 3.



Illustration 1g01248573
Sensor locations on the C4.4 engine
(1) Fuel Rail Pressure Sensor
(2) Intake Manifold Air Temperature Sensor
(3) Electronic Control Module (ECM)
(4) Primary Speed/Timing Sensor
(5) Oil Pressure Sensor
(6) Oil Pressure Sensor (alternative location)
(7) Secondary Speed/Timing Sensor
(8) Solenoid for the Fuel Rail Pump
(9) Intake Manifold Pressure Sensor
(10) Intake Manifold Pressure Sensor (alternative location)
(11) Coolant Temperature Sensor

Note: The wastegate regulator is installed on the right side of the engine.



Illustration 2g01248579
Close up views of sensor locations on the C4.4 engine


Illustration 3g01178874
Sensor locations on the C6.6 engine
(1) Coolant Temperature Sensor
(2) Intake Manifold Air Temperature Sensor
(3) Intake Manifold Pressure Sensor
(4) Fuel Rail Pressure Sensor
(5) Electronic Control Module (ECM)
(6) Oil Pressure Sensor
(7) Primary Speed/Timing Sensor
(8) Secondary Speed/Timing Sensor
(9) Solenoid for the Fuel Rail Pump

Note: The wastegate regulator is installed on the right side of the engine.



Illustration 4g01178875
Close up views of sensor locations on the C6.6 engine

Table 1
Connector  Function 
P1  Machine Harness to ECM Connector (64 Pin Connector) 
P2  Engine Harness to ECM Connector (64 Pin Connector) 
P532  Fuel Rail Pump Solenoid Connector (2 Pin Connector) 
P402  Secondary Speed/Timing Sensor (2 Pin Connector) 
P401  Primary Speed/Timing Sensor (2 Pin Connector) 
P201  Engine Oil Pressure Sensor (3 Pin Connector) 
P228  Fuel Rail Pressure Sensor (3 Pin Connector) 
P200  Intake Manifold Pressure Sensor (3 Pin Connector) 
P103  Intake Manifold Air Temperature Sensor (2 Pin Connector) 
P100  Coolant Temperature Sensor (2 Pin Connector) 
P691/J691  Electronic Unit Injectors for No. 1 and No. 2 Cylinders (4 Pin Connector) 
P692/J692  Electronic Unit Injectors for No. 3 and No. 4 Cylinders (4 Pin Connector) 
P693/J693 (C6.6 only)  Electronic Unit Injectors for No. 5 and No. 6 Cylinders (4 Pin Connector)  
P511  Wastegate regulator (2 Pin Connector) 


Illustration 5g01389648
Schematic diagram for the C4.4 engine
(1) Electronic Unit Injector
(2) Solenoid for the Fuel Rail Pump
(3) Wastegate Regulator
(4) Secondary Speed/Timing Sensor
(5) Fuel Rail Pump
(6) Primary Speed/Timing Sensor
(7) Intake Manifold Pressure Sensor
(8) Electronic Control Module (ECM)
(9) Fuel Rail Pressure Sensor
(10) Engine Oil Pressure Sensor
(11) Intake Manifold Air Temperature Sensor
(12) Coolant Temperature Sensor


Illustration 6g01389650
Schematic diagram for the C6.6 engine
(1) Electronic Unit Injector
(2) Solenoid for the Fuel Rail Pump
(3) Wastegate Regulator
(4) Secondary Speed/Timing Sensor
(5) Fuel Rail Pump
(6) Primary Speed/Timing Sensor
(7) Intake Manifold Pressure Sensor
(8) Electronic Control Module (ECM)
(9) Fuel Rail Pressure Sensor
(10) Engine Oil Pressure Sensor
(11) Intake Manifold Air Temperature Sensor
(12) Coolant Temperature Sensor

Information System:

16M Motor Grader Power Train Housing (Tandem) - Remove and Install
AP655D and BG655D Asphalt Pavers Machine Systems Steering Column - Assemble
AP655D and BG655D Asphalt Pavers Machine Systems Steering Column - Disassemble
16M Motor Grader Power Train Service Brake (Wheel Spindle) - Install
16M Motor Grader Power Train Service Brake (Wheel Spindle) - Remove
AP655D Asphalt Paver Machine Systems Hydraulic Tank - Remove and Install
C4.4 and C6.6 Engines for Caterpillar Built Machines Glossary
C4.4 and C6.6 Engines for Caterpillar Built Machines System Overview
587R Pipelayer Power Train Priority Valve - Assemble
587R Pipelayer Power Train Priority Valve - Disassemble
EquipmentManager Dealer Administrator Manual Product Link Installation
587R Pipelayer Power Train Priority Valve - Install
16M Motor Grader Power Train Rear Axle, Differential and Final Drive - Remove
16M Motor Grader Power Train Rear Axle, Differential and Final Drive - Install
C4.4 and C6.6 Engines for Caterpillar Built Machines Engine Wiring Information
AS3251C Asphalt Screed Electronic Control Module (Screed)
Procedure to Install Forward/Neutral/Reverse (FNR) Switch{5702, 7332}
AS3251C Asphalt Screed Operator Controls
2007/06/25 Correction to Operation and Maintenance Manual , "Hoist System and Brake System Oil Level - Check" {5056}
16M Motor Grader Power Train Transmission Oil Filter Base - Remove
16M Motor Grader Power Train Transmission Oil Filter Base - Install
AS3251C Asphalt Screed Screed Components
24M Motor Grader Power Train Electronic Control System MID 027 - CID 1639 - FMI 09
16M Motor Grader Power Train Transmission Oil Cooler - Remove