turn signal MITSUBISHI ECLIPSE 1990 Owner's Guide

23-42BODY - Seat Belts
Input Signals
The relationship between input signals (as seen
from the control unit) and the ON/OFF status of the
various switches is as shown in the table below.
When making measurements of voltage, be sure todo so within one minute from the time that
theignition switch is turned to the “ON”, “LOCK” or
“ACC” position.
Input signaldesignation
Ignition switch
Driver’s seat
buckle switch
Driver’s seat outer
3switchAmount of shoulder belt wind-in equals or exceeds theOFFHspecified amount.
Driver’s seat
“fasten” switch
Driver’s seat
“release” switch
Driver’s seat door
latch switch
(“open” side)
Key-reminderswitch
(A)
Key-reminderswitch (B)Front passenger’s
outer switch
cFront passenger’s
“fasten” switch
Front passenger’s
a release m switch
Terminal
No.Switch operation and statusVcv;y
1Ignition switch is switched to “ON”.ONHIgnition switch is switched to “LOCK” or “ACC”.
OFFL
2
Lap belt is fastened.OFFH
Lap belt is not fastened.ION I ilAmount of shoulder belt wind-in is between 0 and the
specified amount.
ONL
4Driver’s door is opened, or belt is fastened.OFFH
Driver’s door is closed, and belt is not fastened.
ONL
5Driver’s belt is in the released condition.
OFFHDriver’s belt is in the unreleased condition.
ONL Y
6
12
13
14
15Driver’s door is closed.
Driver’s door is open.
+
Key is in key cylinder.
Key is removed from the key cylinder.Key is removed from the key cylinder.
Key is in key cylinder.Amount of shoulder belt wind-in equals or exceeds the
specified amount.
Amount of shoulder belt wind-in is between 0 and the
specified amount.
Front passenger’s door is opened, or belt is fastened.
Front passenger’s door is closed, and belt is notfastened.
OFFH I
ONL
ONH
OFFL
ONH
OFFL
OFFH
ONL
OFFH
ONL
16Front passenger’s door is closed, or belt is in the releasedOFFHcondition.
Front passenger’s door is open, and the belt is in theunreleased condition.ONL
,

---- .~ _ _EMISSION CONTROL SYSTEMS
- Catalytic Converter I Air-fuel Mixture Ratio Control System25-9
,ATALYTlC CONVERTERRZXIAAAThe catalytic converter is installed on the middle ofand surrounded by a stainless steel shell.
the exhaust pipe under the floor.The catalytic converter oxidizes carbon monoxide
This catalytic converter uses a monolithic type
catalyst with a honeycomb structure that has itsand hydrocarbon, and reduces oxides of nitrogen.
surface coated with catalytic components. Thewhich are present in the exhaust gas, in order to
minimize their emission levels.
catalyst is supported by a stainless steel wire mesh
Exhaust air
3Stainlesssteei shell
\CoverStainless steel wire mesh
lEM0031
AIR-FUEL MIXTURE RATIO CONTROL
SYSTEMThe
MPI system is a system which employs the signals from
the oxygen sensor to activate and control the injector installed
at the each cylinder head thus precisely regulating the air-fuel
mixture ratio and reducing emissions,
This in turn allows the engine to produce exhaust gases of the
proper composition to permit the use of a three-way catalytic
converter. The three-way catalytic converter is designed to
convert the three pollutants
(1) hydrocarbons (HC), (2) carbon
monoxide (CO), and
(3) oxides of Nitrogen (NOx) into harmiess
substances.There are two operating modes in the
MPI system:
(1) Open Loop
Air-fuel ratio is controlled by information programmed into
the engine control unit at manufacture.
(2) Closed Loop
Air-fuel ratio is varied by the engine control unit based on
information supplied by the oxygen sensor.
NOTEFor detailed information concerning the
MPI system, refer
to Fuel System.