Note:
TEMSA
TS35
00A-5
00.1.4 Control Units Handling
& Repair Precautions
CAUTION
Observe the following precautions when handling
or servicing the control units (Engine EDC, Re-
tarder ECU, etc.).
a) Make sure that the control units does not
contact directly with rain-water, car-washing
water etc. If the control units soaks, wipe it
immediately.
b) Avoid unnecessary removal or painting of the
cover.
c) To remove the control unit from the vehicle,
follow steps mentioned in the page 0-08.
d) Apply arc welding for the repair of the vehicle
parts steps mentioned in the page 0-09.
CAUTIONS
Be sure to use correct tools in the correct place
for servicing as mentioned below :
a) Use Fuse Holder for removing of fuses.
b) Use Multimeter or a 24 V Controllamp to
search for short-circuits if vehicle has not
multiplex system.
c) If there is a multiplex system, remember that
there is always 12 V check voltage in Diagnostic
System. Therefore use only Multimeter to
check whether the circuit of the system is
short or open. Do not use Control lamp or
others. Otherwise you could make a mistake to
understand the short or open circuit.
d) Use diagnostic tool to check Engine EDC or
UPEC. (Note: A diagnostic tool for Cummins
Engine is not existing ).
e) Use Kibes Runtime Software and K-Line
interface cable to check Multiplex system
control.
CAUTION
Cautions during washing the vehicle:
a) Before washing the vehicle, make every electri-
cal equipment waterproof (by covering it with
vinyl sheet etc.)
b) Do not wash the electrical harness and water-
proof connectors.
CAUTION
During washing the vehicle do not splash
pressured water in Fuse Room and to the battery.
00.1.5 Cautions Before Service Work
CAUTION
Precautions for multiplex System program instal-
lation
Following instructions must be strictly observed
during installation of program to the system.
•
Do not install program to the system if there
is a person under the vehicle.
•
If the program installed to the system while
the vehicle is in lifting position, lifting valves
can release air and vehicle can go down.
•
Power supply should not be closed while
installing program to the system. Wait until
the installation is completed.
•
Program should not be installed while en-
gine is in operating conditions. Otherwise
engine stops unsuitable conditions.