MITSUBISHI ECLIPSE 1990 Workshop Manual

COOLING - Radiator and Cooling Fan / Transaxle Fluid Cooler
04*0101
TRANSAXLE FLUtD COOLER
On vehicles provided with automatic transaxle, the

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7-6- Two-speed Fan Control System
MA,N FlJ6IBLE LINK@!mpG26lm m16LE Llrn QI- .,DY
,
Therm0 sensor operation modes
ON at 85°C (185°F) or higher
OFF ioNLO HI
therm0
sensor (for the radiator fan) and air therm0 sensor,
and to regulate the speed of the cooling (radiator)
Therm0 sensor Air thetmo sensor
Cooling (radiator)
fan Condenser fan
LOW
OFF OFF
HIGH
OFF
HIGH HIGH
OFF
I -LOW LOW
HIGH
LOW
HIGH
HIGH
,tII
NOTEtherm0
sensor is closed at the ON setting and open at the OFF setttng.

ELECTRICAL
REUYS, CONTROL UNITS AND
SENSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . . . . . . .
.._.......
Headlight (Pop-up System) . . . . . . . . . . . . . . . . . . . . . . . . . . . .
InjectionSystem. . . . . . . . . . . . . . . . . . . .
OtherRelays an dControlUnit s. . . . . . . . . . . . . . . . . . . . . . . .
10
10

8-2
IBlueI20
L
SUB-FUSIBLE LINKS (IN RELAY BOX)
I I
No. CircuitHcyyRated
(A)I
0, 0, @, 0, @
Defogger circuit
1
6 Multi-purpose fuse 0. @. 0. @.Green 40
!Fed%$?&e @circuit1
7 Headlight circuit.0. @I. @circuitL
Ib&i -e?z5mm..-_-- -.--- --..._ . . __-___-----_4

ELECTRICAL - Fuses8-3q
rMULTI-PURPOSE FUSES
The multi-purpose fuses are located within the junction block at
the lower part of the instrument panel (at the driver’s seat side).
These fuses are all the blade type; 1 O-ampere, 15-ampere and
30-ampere fuses are used.
IPower supply circuitFuse No.
RatedLoad circuitapacity
(A)IBattery
t-lonition,itchBattery
IGz
ACC
IG,
10
10
10
15
15
10Automatic seatbelt control unit, buzzer, passing control relay,
key reminder switch, theft-alarm starter relay
Air conditioner control unit, air conditioner switch, heater relay,
power window relay, defogger timer, daytime running light relay
2 only>, transistor relay RadioCigarette lighter, remote controlled mirror
Door lock relay, door lock control unitAuto-cruise control unit
, AA control unit,
inhibitor switch, combination meter
ACC
IGI9
1011
12
1315
10
10
10Wiper motor, washer motor, intermittent wiper relay
Horn, headlight relay, theft-alarm control unit, daytime running
light relay
1 Auto-cruise control unit, auto-cruise control actuator,
automatic seatbelt control unit, theft-alarm control unit,
combination meter, warning light, seatbelt timer
Turn-signal and hazard flasher u.nit
14
15
16
17
10Theft-alarm horn relay
30Blower motor
15Stop light
Back up light
CM/T>, dome light relay
!Dome light. luggage compartment
Irght, foot. Irght.door-ajar warntng light, radio, MPI control unrt.AK control unit, ignition key illumination light.security lightI

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8-4ELECTRICAL - Fuses / Diagnosis System
61543
2
16R133lDEDICATED FUSES
For high-load circuits, fuses dedicated to each individual circuit
are used.
The dedicated fuses are provided in the relay box of the engine
compartment.
No.
I
Circuit
I
H,“d;;-;I
Rated
canacitv (A)I
1 1 Tail light circuitIRedI10I
2Fog light circuitRed10
3,.Hazard warning light circuitRed10
4 ) Upper beam circuitIRedI10I
5’
I
Air conditioner magnet
I
Red
I
10
clutch circuitI
6’Condenser fan motorYellow20
circuitI
NOTEl : Air conditioner equipped models.DIAGNOSIS SYSTEM
- CHECK CON-
NECTORS
nmcwaBThe connectors for diagnosis of the following systems are
provided beside the junction block.
1. Multi-point Fuel injection System
2. Automatic
Transaxle.3. Diagnosis control
z. grm.rlnaFd vehicle speed
6: Auto-cruise control
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3i
ELECTRICAL - Junction Block8-5JUNCTION
BLOCKThe junction block is a feature in which wiring
hamess
connections are centralized for simpler and more reliable wiringharness connections.
The junction block is provided under the instrumentdriver’s seat side.panelat the
CONSTRUCTION OF JUNCTION BLOCK
_.rheft-alarm
iom relay
To enginecompartment
wiring harness
. No connectionTo instrument
;;;+$ring
.’ ./%A0805relay
Rear side
NOTEThe alphabetical symbols on the connectors are associated with the
internal circuit diagrams
(PB-6).To bodywiring harness
he junction block is an integrated assembly ofltermediate connection connectors of wiring
har-ess, fuse box, and relay. On the front side of the
unction block, the connectors for connections from
le heater relay, fuse box, engine compartment
amess and instrument panel harness are provided.On the rear side, the connectors for connections
from the body harness are provided and are
con-
netted in the junction block as shown below.

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8-6ELECTRICAL - Junction Block
INTERNAL CIRCUIT DIAGRAM
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-
Illll IIII
I II Irr,Illll IIII
r
L”
NOTEThe alphabetical symbols on the connectors are associated with the
connector symbols
(P.8-5).

ELECTRICAL -Relavs, Control Units and Sensors
RELAYS, CONTROL UNITS AND SENSORSROBEAACThe relays, control units and sensor for the various systems are located as described below.
.ILTI-POINT FUEL INJECTION SYSTEM
NameSymbolNameSymbolAir-flow sensor (incorporated within
AMagnet clutch relayG
barometric-pressure sensor andintake air temperature sensor)
Crank angle sensor and top dead center sensorCMPI control relayJDetonation sensor
FMPI control unitK
EGR temperature sensorEOxygen sensorH

Engine coolant temperature sensor
BThrottle position sensorDIdle switch
DVehicle speed sensor (reed switch)I
NOTEThe “Name” column is arranged in alphabetical order.
orated within barometric
re sensor and Intake arr7 (incorporated within barometnc kpressure sensor and intake arrtemperature sensor)-4L 1mo721

8-8ELECTRICAL -Relays, Control Units and Sensors
(7 ! ’ Intake manifold
1, lyJJrI-
I .I
6FlJO85Z
I
/7~ 1J -6FUO8281
b MPI control