Linhai ARCHON 400 Service Manual page 91

CHAPTER 3 ENGINE
3.12.1 ECU
3.12.1.1 Description & Working Principle
The ECU continuously monitors the operating
conditions of the engine through the system
sensors. It also
computation, adaptability, and output control in
order to minimize the tailpipe emissions and fuel
consumption, while optimizing vehicle drivability
for all operating conditions. The ECU also
provides diagnosis when system malfunctions
occur.
3.12.1.2 Appearance
The MT05 ECU has a polyester header, with an
aluminum base plate. The ECU is shown below.
3.12.1.3 Handling –Don'ts & Do's
DO NOT: Place the ECU close to the exhaust pipe or
Engine when removed.
DO NOT: Place the ECU close to or pour water, oil or any
other liquids.
DO NOT: Allow mud or other debris to accumulate on the
surface of the ECU.
DO NOT: Apply any voltage relative to any point to the
ECU.
DO NOT: Clean ECU with any solvent or any corrosive
liquid.
DO: Take extreme care that water droplets or excess
moisture should not fall on ECU connectors.
DO: Clean the ECU with a moist cloth and keep it dry.
provides the necessary
ACTION
BUCK 450 SERVICE MANUAL 20.0
REASON
High temperature might reduce the life of the
ECU and also can damage the ECU.
ECU is susceptible to water and liquids
Having mud or debris accumulated on the ECU
casing reduces its heat dissipation efficiency.
Drastically affects the performance of the ECU
and may lead to ECU damage.
Can damage the housing of the ECU.
ECU connectors can get short and may lead to
ECU damage.
Prevents ECU damage.
CHAPTER 3 ENGINE PAGE. 3- 66