Linhai ARCHON 400, Service Manual

Page: 91 / 218

CHAPTER 3 ENGINE
BUCK 450 SERVICE MANUAL 20.0
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 provides the necessary
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
ACTION REASON
DO NOT : Place the ECU close to the exhaust pipe or
Engine when removed.
High temperature might reduce the life of the
ECU and also can damage the ECU.
DO NOT : Place the ECU close to or pour water, oil or any
other liquids.
ECU is susceptible to water and liquids
DO NOT : Allow mud or other debris to accumulate on the
surface of the ECU.
Having mud or debris accumulated on the ECU
casing reduces its heat dissipation efficiency.
DO NOT : Apply any voltage relative to any point to the
ECU.
Drastically affects the performance of the ECU
and may lead to ECU damage.
DO NOT : Clean ECU with any solvent or any corrosive
liquid.
Can damage the housing of the ECU.
DO: Take extreme care that water droplets or excess
moisture should not fall on ECU connectors.
ECU connectors can get short and may lead to
ECU damage.
DO: Clean the ECU with a moist cloth and keep it dry. Prevents ECU damage.
CHAPTER 3 ENGINE PAGE. 3- 66