Junction MITSUBISHI 3000GT 1994 2.G Workshop Manual

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i Service Manual
3000~l-
1992-l 996
Volume
2
Electrical
FOREWORD
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L
This Service Manual has been prepared with the latest service information available at the time of
publication. It is subdivided into various group
categories and each section contains diagnossis,
disassembly, repair, and installation procedures
along with complete specifications and tightening
references. Use of this manual will aid in properly
performing any servicing necessary to maintain or
restore the high levels of performance and reliability
designed into these outstanding vehicles.
@
A
.
.,
WESUF’FORTVOLUNTARY TECHNICIAN
CERTiFiCATlON THROUGH
National lnaltute forAUTOMOTIV ESERVICEEXCELLENC E
Mitsubishi Motors Corporation reserves the right to make changesin design or to make additions to or improvements in its products withou\
timposing any obligations upon itself to install them on its productspreviously manufactured.
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GROUP / SECTION INDEX
General. . . . . . . . . . . . . . . . . . . . . . . .
Fusible Link, Fuse an d IOD or
Storage Connector Locatio n
. . . . . . . . . .w
Inspection Terminal Location . . . . . . . . .
Grounding Location . . . . . . . . . . . . . . . . . .w
m
Relay Location . . . . . . . . . . . . . . . . . . . . . -m
Sensor Locatio
n. . . . . . . . . . . . . -. . . . . . .w
Control Unit Location . . . . . . . . . . . . . . . . .m
Solenoid, Solenoid Valve Location . . . . .d
Diode Location . . . . . . . . . . . . . . -. . . . . . .w
Junction Block . . . . . . . . . . . . . . . . . . . . . . .II
Centralized Junction . . . . . . . . . #. . . . . . .w
Harness Connector Inspectio n. I . . . . . .w
How to Diagnose . . . . . . . . . . . . . -. . . . . . .
111
Configuration Diagrams . . . . . . . . . . . - . .m;
Circuit Diagrams . . . ..*.............
Engine Electrical ...............
ChassisElectrical
............ .
Alphabetical Index .............
NOTE:
For information concerning all compo-
nents other than the electrical system and
on-vehicle service procedures for engines
and transmissions, refer to Volume 1
“Chassis & Body” of this paired Service
Manual.
For overhaul procedures of engines or
transmission, refer to the separately is-
sued Engine Service Manual or Manual/
Automatic Transmission Service Manual.
@ 1995 Mitsubishi Motors CorporationReprinted in USA

Downloaded from www.Manualslib.com manuals search engine 18GENERAL - Junction Block
JUNCTION BLOCK
ULTI-
K""
ccc-74)K(C-80)J(C-78)
pTiRz$q
ACC-68)F(C-82)B(C-69)
qEL!*
Remarks(1) Alphabets assigned to the connectors are keyed
to those assigned to connectors on P.19
(2)Terminals of the harness side connector are indicatedin parentheses
( ).
H(C-76)
E(C-83)
pTisq
HROOMOOAA
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Downloaded from www.Manualslib.com manuals search engine GENERAL - Junction Block19
/
L
To roofwiring -harness
Front
/ITo frontwiring harness
- TO instrument panel
wiring harness
Theft-
alarm
horn
relay
L ,.c !!II {+J . ,i/11
\oi
Z16FO304
Back
To bodywiringharness
W-9
Z16FOO5800002704
/
id
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Downloaded from www.Manualslib.com manuals search engine GENERAL - Centralized JunctionCENTRALIZED
JUNCTION
FUSIBLE LINK (Relay box in engine compartment)
I INo.Housing colorRated capacityIA)
1Generator circuitWine red
120
2Pop-up motor circuit(Upto1993
models)
Pink
30
3Lighting circuitGreen
40
4
Ignition switch circuitPink
30
5Radiator fan motor and condenser fan motor circuitGreen
40
6Junction block (Multipurpose fuse (l), (6), (14), (16), (17), (19))Green
40
7ABS circuitYellow
60
8Top stack circuit
Pink
30
9Power window circuitPink
30
10Defogger circuit
Green
40
11Active aero circuit Pink
301I
116FO256
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Downloaded from www.Manualslib.com manuals search engine L
DEDICATED FUSE
GENERAL - Centralized Junction21
Power supply circuitNo.Rated capacity
(A)Housing color
Circuit
Battery
,!. I/
120YellowMFI circuit
Tailliaht relavI2 1151 Blue1 Tailliaht circuitI
Fusible link (6)
Fusible link (3)
Headlight relay
Battery
310RedHorn circuit
415RedFog light circuit
510RedUpper beam circuit
610RedHazardlightcircuit
7*’10RedABS circuit
7*220Yellow
Sunroof circuit
Fusible link (6)
a20
910
Defogger relay10 10
NOTE*l: Vehicles produced up to Oct. 1993.
*2: Vehicles with sunroof
Yellow
Red
RedCondenser fan motor circuit
Air conditioning circuit
Remote controlled mirror heater circuit
L
1
216FO256
in engine compartment>
Up to 1993 models From 1994 models
Z16FOOO2Z16FOOO3Z16FO43100002705
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Downloaded from www.Manualslib.com manuals search engine 22GENERAL - Centralized Junction
MULTI-PURPOSE FUSE (In junction block)
Power supply circuitNo.Rated capacity (A)
Battery
Ignition
switch
10
Battery
Ignition switch IG21 7I 10
18 I-
Ignition
switch
BatteryACC 9
I I15
Battery14 10
BatteryI 13016
I 11517Ignition switch
IGl I 18 ( 10
NOTE
(l)*‘: Vehicles produced up to Oct. 1993.
(2)*2: From 1994 models.
(3)*3: Up to 1995 models.
Multi-purpose
fuse
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Downloaded from www.Manualslib.com manuals search engine GENERAL - Centralized Junction
CENTRALIZED RELAY
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ClassificationRelay box in
A-01X
engine
compart-
mentA-02X
A-03X
A-04XNameClassification
Headlight relayAir condition- A-31X
ing relay boxinengineABS power relay (vehicles compart-A-32X
produced up to Oct. 1993)
ment
Fog light relayA-33X
Radiator fan motor relay (LO)A-34XNameCondenser fan motor relay
(HI)Radiator fan motor control
relay (Up to 1993 models)
Magnetic clutch relayCondenser fan motor relay
(LO)
A-05X
A-06X
A-07XTaillight relayInterior relay C-04X
Door lock power relay 1box
Horn relayc-05-xDefogger relay (1994 models)
Radiator fan motor relay (HI)C-06XDefogger relay (Up to 1993
models, From 1995 models)
A-08X
A-09X
A-l OX
A-11XPop-up motor relay (Up to
1993 models)
Starter relay
Generator relay
IOD or Storage connector
c-07xPower window relay
NOTEIOD: Ignition Off Draw
in engine compartment>
Y16FO256

Up t;-;t;3 modelsFrom 1994 modelsc-05xc-04x c-05x
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Downloaded from www.Manualslib.com manuals search engine 52CONFIGURATION DIAGRAMS - Dash Panel
JUNCTION BLOCK

C-68 C-69C-46
c-47
C-48c-49
c-50
c-51
C-52c-53
C-54c-55
C-56
c-57
C-58
36FOOOl

C-76
/
C-80
36FOOO3
Junction
/C-91*5 i
Av///I :-C-64
1 /:-8!C-63 C-63
C-61
( C-62
Turbo> ,
NOTE
[-I!1:: :1992 Up tomodels 1993 models
*s: From 1994 models
*4:1995models
(5)*5: From 1996 models
QC-58 C-57 C-60
ELC-4 AA control module
ELC-4 A/T control moduleELC-4
AiT control module*’Air conditioning control unit
Air conditioning control unit
Air conditioning control unit

Engine control module
Engine control module
Engine control moduleLeft bank heated oxygen sensor (front)

Theft-alarm starter relay
Clock spring
Key reminder switchc-59
C-60
C-61
C-62
C-63
C-64
C-65
C-66
C-67
C-68
C-69c-70
Ignition switch
Steering wheel angle speed sensor
Stop light switch
Stop light switch
Clutch pedal position switch (for auto-cruise
control circuit)
Clutch pedal position switch (for theft-alarm
circuit)
ETACS unit
ETACS unit
Foot light (LH)
Front wiring harness and junction block
combination
Front wiring harness and junction block
combination
Front wiring harness and junction block
combinationITSB Revision

Downloaded from www.Manualslib.com manuals search engine CONFIGURATION DIAGRAMS - Dash Panel53
c-86*3C-87*3c-88’3
-J-----1)!_1/t’ \.- -b!w
C-89*3
i
c-71
C-72c-73
c-74
C-76c-77
C-78c-79
C-80C-81
C-82Adapter wiring harness and junction block
combination
Theft-alarm horn relay
Blower motor relayRoof wiring harness and junction block
combinationBody wiring harness (LH) and junction block
combinationBody wiring harness (LH) and junction block
combinationBody wiring harness (LH) and junction block
combinationData link
connector*3Body wiring harness (LH) and junction block
combinationBody wiring harness (LH) and junction block
combinationBody wiring harness (LH) and junction block
combination
36FO17900004256
C-83
C-84
C-85
C-86
C-87
C-88
C-89c-90
c-91
c-92
c-93
c-94
c-95Body wiring harness (LH) and junction block
combination
Auto-cruise relay
Spare connector (Hand free microphone)
Passenger’s air bag
module*3
No connection
Control wiring harness and front wiring harness
combination*3Body wiring harness (LH) and body wiring
harness (RH) combination*3
Engine control module*3
for California>
Data link connector *4y*5
Engine control module*5MFI
relay*5
Body wiring harness (RH) and front wiring
harness combination*5
Motor antenna control unit*5
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Downloaded from www.Manualslib.com manuals search engine 62CIRCUIT DIAGRAMS - How to Read Circuit Diagrams
HOW TO READ CIRCUIT DIAGRAMS
The circuit of each system from the fuse (or fusible link) to ground is shown. The power supply is shown3at the top and the ground at the bottom to facilitate understanding of how the current flows.~
Indicates connector No. The same No. asin the wiring harness diagram is used. Con-
nector numbers enclosed by frame are indi-cated with the connector symbols at the
lower part of the page. Connector numbers
not enclosed by frame are indicated without
connector symbol.connected. The arrow indi-cates the current flow direction.cates the current flow direction.1 [ connected. r arrow indi- [Indicates the circuit name to be
Indicates harness junction point
No. for another system. It corre-Indicates the circuit name to be
Indicates the powersupply in theB
control unit. If no voltage is dis-played, this indicates battery
positive voltage.
An
“X” at the end of a connector
No. indicates that the connectoris connected to a centralized
junction that is shown in the sec-tion “Centralized Junction”.t
Indicates the operating condi-GC
Indicates the connector symbol.
are indicated in numerical order.1
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