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MITSUBISHI ELECTRONICS AMERICA, INC.
ST200 Series Technical Support Manual
52
January 2000
The CTU should be installed so that the spare tire, tire jack, tools, tire chains or other
items are not thrown on top of the CTU or cables. Make sure that the CTU cannot be
exposed to rain or other sources of moisture. Do not put anything on top of the CTU
(e.g., luggage, etc.). The installation surface must have sufficient strength. If the
location selected is not strong, an alternate location must be selected or an appropriate
surface must be constructed. The installation area must not be easily vibrated or
exposed to impact while the car is in motion.
♦
Accessibility
The CTU should be installed so that it is out of the way and protected, but it should
also be in a location that is accessible for servicing.
♦
Heat
Avoid installing the CTU near the area where heat is generated or where the CTU
may be artificially heated to a high temperature.
♦
Sufficient Air Space
There should be a minimum of two inches of air space surrounding the CTU to
provide adequate convection cooling. This means that when installed, the CTU
should not be in an area where items (rags, carpet, paper or accidentally placed
objects) would contain the naturally generated heat of the CTU.
♦
Torque specifications
The bolts used to mount the CTU should not be over-torqued. The torque
specifications for these bolts is 24 in./lb. (not ft./lb.). Do not use air impact tools for
tightening these bolts.
♦
Protect cable and connectors.
The CTU should be positioned in the vehicle so that the connectors from the AU,
BSU, user interface, and power are protected. Make provisions to allow at least two
(2) inches (5 cm) of straight cable available at the connection point(s) of the CTU.
♦
Cable Routing
Be sure to route cables where they won't get pinched or stepped on. Do not make any
sharp turns or route the cable near the brake, clutch, and accelerator. If possible, the
power cable should be run under the carpeting. Any excessive cabling should be
secured to a fixed object in the trunk with cable ties, or stowed out of sight behind
panels. Grommets should be used whenever routing cable through holes drilled in
metal or through bulkheads and silicone sealant (RTV) should be used to
weatherproof all holes that are drilled in the vehicle.