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Operating & Maintenance Manual
Electronic Engine
The HP1600/1300 machine contains an emissions certified diesel engine. In order to meet the
emissions requirements, the engine has an electronic control system.
The control system handles all the monitor, alarm and control functions for the engine. The
WEDGE controller communicates with the engine controller over the J1939 CAN network.
The WEDGE controller receives diagnostic and run time data from the engine over the J1939
CAN network. A frequency throttle interface with the engine is used.
Figure 8-2 shows the connections between the WEDGE controller and the engine controller.
J1939 Data Link - The CAN network is a single pair shielded cable within the W1 main
harness. Figure 8-3 shows a layout of the CAN harness or "backbone" as it is referred to. The
termination resistors (Terminator) are important to prevent reflections on the transmission line
and must be in place for the network to function properly. The shield from the cable is
connected to the machine metal at the WEDGE controller end.
The connection must be properly made with good metal to metal contact between the wire
terminal and the machine metal.
The engine diagnostics connector is located on the left side of the engine. This is used to
connect the engine manufacturers service tools to the CAN network. This connector also
provides 24V DC power to these service tools.
Electrical System
The electrical system consists of the wiring harnesses and associated electrical devices such
as relays, switches, lights, solenoids and alarm horn. There are two wiring harnesses in the
HP1600 machines. They are as follows:
22614416
22060594
The schematic diagrams show the connections for these harnesses. Figure 8-1 is a system
diagram showing harness connection with devices and controllers.
The electrical circuits are protected using ATC style fuses. A fuse should only be replaced with
one of the same rating. Replacing a fuse with one of a larger rating could lead to harness
damage. If a fault occurs and the circuit does not have the appropriate size fuse, wires could
be burned in the harness and damage other circuits.
80
W1 Chassis Main Wiring Harness
Control Panel Wiring Harness
Electrical
Book: 22742944 (3-17-06) Rev. A
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Troubleshooting
