1987 MITSUBISHI MONTERO alternator

8-1
ELECTRICAL
CONTENTS
NOBAA-
ACCESSORY ......................................................
188
Cigarette Lighter ............................................
,190
Clock ...............................................................
,191
AUDIO SYSTEM ................................................
.192
AUTOMATIC FREE-WHEELING HUB
INDICATOR SYSTEM ........................................
208
Automatic Free-wheeling Hub
Indicator Control Unit
..................................... ,216
Pulse Generator ..............................................
215
BACK DOOR WINDOW DEFOGGER
................ .203
Defogger switch ............................................
,206
Printed Heater Lines
...................................... ,207
CHARGING SYSTEM .........................................
71
Alternator ........................................................
83
Service Adjustment Procedures
..................... 77
Battery Charging ........................................
82
Inspection of Battery ..................................
81
Output Current Test ...................................
78
Regulated Voltage Test ..............................
79
Voltage Drop Test of Alternator Output
Wire ............................................................
77
ELECTRICAL SYSTEM PARTS LOCATION
...... 2
Diode ...............................................................
5
Fusible Link and Fuse
..................................... 6
Grounding .......................................................
7
Relay and Control Unit ....................................
2
Sensor .............................................................
4
HORN ..................................................................
184
Horn Switch
.................................................... 187
IGNITION SYSTEM ............................................
105
Ignition Switch
................................................ 122
Ignition System ...............................................
1 14
Service Adjustment Procedures
.................... .l 1 1
Checking Ignition System
..........................
11 1
Checking Ignition Timing
...........................
11 1
Spark Plug Cable Test
................................
1 12
Spark Plug Test
.......................................... 1 12 INSPECTION OF HARNESS CONNECTOR ...... 9
Check for Improper Engagement of
Terminal .......................................................... 9
Continuity and Voltage Test for Connector .... 9
Engaging and Disengaging of Connector
Terminal ..........................................................
9
LIGHTING SYSTEM ........................................... 143
Column Switch
................................ .
.............. .I59
Dimmer Control Switch
................................. .I62
Hazard Warning Switch
................................. .I61
Headlight ........................................................ ,158
Service Adjustment Procedures
.................... .I57
Headlight Aiming .......................................
157
METERS AND GAUGES .................................... 123
Service Adjustment Procedures
.................... .I30
Fuel Gauge Simple Test ................................. .I31
Fuel Gauge Unit Inspection ........................... .I31
Oil Pressure Gauge Simple Test
.................... .I32
Oil Pressure Gauge Unit Simple Test
............ ,132
Speedometer Inspection
............................... .I30
Tachometer Inspection .................................. ,130
Voltage Meter Simple Test
............................ .I33
Water Temperature Gauge Simple Test
....... ..I3 1
Water Temperature Gauge Unit Inspection
. ..I3 2
STARTING SYSTEM .......................................... 91
Starter Motor ............ ....................................... 97
WIPER AND WASHER SYSTEM
....................... .163
WIRING HARNESS ............................................ 13
Centralized Junction ....................................... 69
Circuit Diagram ............................................... 34
Configuration Diagram .................................... 27
How to Read Wiring Diagrams ....................... 20
Troubleshooting .............................................. 13

WIRING- HARNESS - Engine Compartment 8-29
; A-06 A-08 A-1 0 A-12 A-14
,.
1 A-15 8
I I
,I I I, I /
A-48
WI
&-ii& ’
A-35 Ai34 A!33 J-3:
A-39 A-37
36W618
A41
i-$ Ignition coil
A-44
A-45 Magnetic clutch
A-46 Water temperature sensor (FBC circuit)
;rii}Alternator
A-49 Water temperature switch (Air conditioner circuit)
A-50 Water temperature gauge unit
A-51 Water temperature switch (OD control circuit)
A-52 Oil pressure gauge or oil pressure switch
$3 Low pressure switch A-55 Headlight (R.H.)
A-56 Front harness and air conditioner wiring harness
combination
A-57 Front combination light (R.H.)
A-58 Front washer motor
A-59 Oxygen sensor
Remarks
(1) The mark * shows the reference mounting position of
wiring harness.
(2) For information concerning the ground points (exam-
ple:
q ), refer to P.8-7.
1 STB Revision

WIRING HARNESS - Charging Circuit 8-37
3 CHARGING CIRCUIT
S‘
Main
fusible ’ L m
link
Battery A-02
, 3
Alternator
El A-48 A-23 Sub fusible link
(IGN - SW)
I
3
cl
Ignition switch
.n
1 Comornatron meter
Remark
For information concerning the ground points (example:
q ),
refer to P.8-7.
3
c:
-22
t 3
c!J I
To turn signal flasher
unit [Refer to P.8-49.1
J 3
a
I
6
m ‘I 81
Multi-
purpose
fuse
37W605
Wiring color code
B: Black Br: Brown G: Green Gr: Gray L: Blue Lg: Light green
LI: Light blue 0: Orange P: Pink R: Red Y: Yellow W: White . / STB Revision

8-38 WIRING HARNESS - Feed Back Carburetor Circuit
4 FEED BACK CARBURETOR CIRCUIT
Main
fusible ’ m
Battery link A-02 j
-1.25-B- i Sub fusible link
I L uA-2i
I:
a h
W r
efl
EEI W BW
Ignition switch
A-28
qi
--I
zix
c:
-26c-1
ziE2
BW ".
I w 2-BW wQ
To alternator
[Refer to P.8.37.1 1 I
r Feed back
solenoid valve
c YG
1.25-BW"'
I
I yL
,0
P Slow cut
solenoid valve YL
1.25-BW*'
Auto choke
heater
-hrottle position
iensor
A-24 1
Carburetor assembly
Remarks
(1) For information concerning the ground points (example:
0). refer to P.8-7.
(2) The symbols 0, 0 etc. indicate that the wiring is con-
nected (using the same numerical symbol) to the facing
page. (In other words, 0 on the right page is connected to
0 on the left page.)
STB Revision

8-42 WIRING HARNESS - Overdrive Control System Circuit
5 OVERDRIVE CONTROL SYSTEM CIRCUIT
/ Sub fusible link
$in fusible
a
I 1
To combination meter
[Refer to P.8-52.1 ~ 0.85-W
i
To alternator
[Refer to P.8-37.1
~ 0.85-W
To column switch
[Refer to P.8-51.1 ~ 0.85-RL
Ignition switch
Multi-purpose
fuse
Remarks Combination meter
(I) For information concerning the ground points (example:
RLI 1
0). refer to P.8-7. IyRw 1 1 I
4
(2) The symbols 0, 0, etc. indicate that the wiring is
connected (using the same numerical symbol) to the
facing page.
(In other words, 0 on the right page is connected to 0 on
the left page.)
1 STB Revision -7

WIRING HARNESS - Meter Circuit
12 METER CIRCUIT
m 1 A-02
Sub fusible link
15-w Ignition switch
Main fusible -
--
link
A-22
‘1
m -ffiFirmer control BY
4
[Refer to P.8-511
I I 0 column :
[Refer to P.E
@/ Multi-purpose fuse
(bYI
To turn,signal switchfd,,, ,
[Refer to P.8-491 1
To seat belt timer
[Refer to P.8-661
To seat belt warning
buzzer [Refer to P.8-661 M
G 1
I
To alternator
fRefer to P.8-371
0.85tW
41D 1 I 4
‘o dimmer, passir-
witc , “,, ,
:h and light control Ir r n ! , I I I
clay [Refer to P.8461 ~ -_
To dome light Kb
[Refer to P.8-471 4
To door yi~“,h,,_(RG)
ID,.&-* +,.
1
I YBdD t
m ”
q
3
-ly-J
_-- -_ I- r
Combination meter
1 STB Revision

WIRING HARNESS - Centralized Junction
CENTRALIZED JUNCTION
Main Fusible Link
896!
Circuit
Main circuit
Cable color Black
Fusible link size mm’ (ir?.) 1.25 (.0019)
Permissible continuous current A 40
Fusing current A 190
Sub Fusible Link
Item Circuit
Cable color
Fusible link size mm7 (in.2)
Permissible continuous current A
Fusing current A
Dedicated Fuse Lighting circuit
Green
0.5(.0008)
27
100 Alternator circuit Feed back carburetor
control circuit
Stop light, door lock
and heater circuit
Red
0.85(.0013)
34
150 Ignition circuit Power window
circuit
Green Green-
0.5(.0008) 0.5(.0008)
27 27
100 100
Upper beam indicator circuit / Air conditioner cixit

WIRING HARNESS - Centralized Junction
Multi-purpose Fuse
Power supply circuit Fuse No. Rated
capacity A Applicable circuits
Battery 1 20
Clock, Dome light, Hazard warning flashers
Headlight relay 2 10 Tail lights, License plate lights, Illumination lights, Headlight
washer relay, Position lights
__-
Ignition switch (IG) 3 10 Heater relay, Seat belt warning timer, Turn-signal lights,
Alternator, Seat belt switches, Power window relay, Fuel and
water temperature gauges, Oil pressure gauge, Voltage meter,
Indicator and warning lights, Inhibitor switch, Automatic
free-wheeling hub indicator control unit
4
IO Back-up lights, Auto choke relay, OD-OFF relay
__-
5 15 Rear window defogger
Battery 6 20 Heater, Back door lock
7 15 Key-reminder switch, Stop lights, Buzzer
Ignition switch (ACC) 8 15 Windshield wipers and washer, Headlight washer relay,
Intermittent wiper relay, Horn
9 10 Rear window wiper and washer
10 15 Cigarette lighter, Radio, Tape player, Clock (ACC), Spare terminal,
Air conditioner relay