407915-0920 ZEXEL CONTROL UNIT Cross 4079150920

Connect cable (2) to the RS-232 serial port of PC (1) .
Connect cable (2) to communication adapter (3) .
Connect cable (4) to communication adapter (3) .
Connect cable (4) to the service tool connector on the engine mounted CIP.
Turn the engine control switch to the LOCAL position or to the REMOTE position. Turn the fuel control switch to the FUEL OFF position. The engine should be OFF.If Cat ET and the communication adapter do not communicate with the ECM, refer to Troubleshooting, RENR5910, "Electronic Service Tool Will Not Communicate With ECM".Troubleshooting
Refer to Troubleshooting, RENR5084 for more information on the following components.
Sensor faults
Injector faults
Response checks for the throttle input
Shutdown input response checksRequirements for the Electrical System
When you route the wiring, avoid acute bends and sharp edges. To protect the wiring harnesses, route the harnesses through a metal conduit. Use a rigid conduit or a use flexible conduit. A liquid tight conduit is recommended. Use proper support and alignment in order to avoid strain on the conduit.Electronic Service Tools
Caterpillar Electronic Service Tools are designed to help the service technician:
Obtain data.
Diagnose problems.
Read parameters.
Program parameters.
Calibrate sensors.The tools that are listed in Table 12 are required in order to enable a service technician to perform the electrical installation procedures and the initial start-up.Note: Other tools that are needed for measuring operating parameters such as pressure and temperature are not listed in Table 12.
Table 12
Service Tools    
Pt. No.    Description    Functions    
N/A     Personal Computer (PC)     This PC configuration is recommended:
Intel Pentium II 333 mHz processor
64 megabyte of RAM
4.3 GB hard drive
Drive for floppy disks (3.5 inch with 1.44 MB)
14X speed CD-ROM drive
VGA monitor or display
RS-232 port with 16550AF UART
Windows NT 4.0 (1)
Windows 95 (1)
Windows 98 (1)
Mouse    
N/A     Personal Computer (PC)     This PC configuration has the minimum requirements:
IBM PC compatible 100 MHz processor
32 megabyte of RAM
10 MB of available hard drive space
CD-ROM drive
Drive for floppy disks (3.5 inch with 1.44 MB)
Windows NT 4.0 (1)
Windows 95 (1)
Windows 98 (1)
RS-232 port with 16550AF UART
VGA monitor or display
Mouse    
"JERD2124"     Software     Single user license for Caterpillar Electronic Technician (Cat ET)
Use the most recent version of this software.    
"JERD2129"     Software     Data subscription for all engines    
171-4401     Communication Adapter II (1)     The communication adapter is connected between the PC (ET) and the ECM.    
196-0055     Serial Cable As     This cable connects the PC to the 171-4401 Communication Adapter II .    
7X-1414     Data Link Cable As     This cable connects the service tool connector on the engine mounted junction box to the 139-4166 Adapter Cable As .    
8T-8726     Adapter Cable As     This breakout t is for use between the jacks and the plugs of the sensors.    
151-6320     Wire Removal Tool     This tool is used for the removal of pins and sockets from Deutsch connectors and AMP connectors.    
1U-5804     Crimp Tool     This tool is used for work with