1987 MITSUBISHI MONTERO oil temperature

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

8-20 WIRING HARNESS - How to Read Wiring Diagrams
HOW TO READ WIRING DIAGRAM NOEDBAE
HOW TO READ CONFIGURATION DIAGRAMS
(1) Connector symbols
A wiring diagram shows the installed condition of each connector in a schematic style. The connectors are
shown and classified as follows, depending on their locations and are marked by connector symbols.
In case connectors of the same shape (same number of wires) are centralized, their colors are indicated for
identification.
Examp’e : p.!- f.~~~~ ~;~~o,
Connector’s unique number (serial number)
A : Engine compartment
B : Interior and frame
C : Instrument panel
Main fusible link
A-03
A-o4
> 4WD indicator switch
A-05 Automatic transmission oil
I temperature switch indicates that the connector is located in the
Same connector No. is used in the wiring diagram and the circuit diagram.
I Indicates color of the
A-58 connector. I
1 ST6 Revision

8-28 WIRING HARNESS - Engine Compartment
1 ENGINE COMPARTMENT
Connector symbol
A
;:::I Main fusible link
;:::I 4WD indicator switch
A-05 Automatic transmission oil
temperature switch
A-06 Back-u light and 4WD indicator
A-07)wiring f!arness and cord
assembly combination
;:g> Back-up light switch
A-l 0 OD-OFF solenoid
A-l 1 Pulse generator
A-l 2 Front wiring harness and
transmission wiring harness
combination
A-13 Air conditioner solenoid valve
A-l 4 Front wiper motor A-
A156
A-55
A-l 7 Checker
A-18 Diode
A-19 Brake fluid level sensor
A-20 Front harness and back-up light
A-21 land 4WD indicator wiring
harness combination
it;;> Sub fusible link
A-24 Carburetor assembly
A-25 Control wiring harness and air
conditioner wiring harness
combination
A-26 Front wiring harness and control
wiring harness combination
A-27 Device box A-53 A-52
A-54
A-28 Auto choke relay
A-29 Front wiring harness and air
conditioner wiring harness
combination
A-30 Headlight washer motor
A-31 Front combination light (L.H.)
A-32 Light control relay
A-33 Dedicated fuse (Upper beam
indicator circuit)
A-34 Headlight (L.H.)
A-35 Condenser fan motor
A-40 Condenser fan motor relay
1 STB Revision

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 - Feed Back Carburetor Circuit 8-39
Ignition
coil
) _ ,E3
$-To vacuum solenoid valve [Refer to P.8-57.1
7 A-42
cl BR
q A-4
c-2
, 0.85-BW
I YG
I ;
I : YL.
I
I ;
RW,
I :
‘A
f
r
A-4
A-9
A-3
A-6
A-5
B-l 1
B-6
B-9
B-IO Feed back
carburetor
control unit
I
II
II
(I I
1 I ! ! I I- - - - -. -_ __ __
L---- __._._
I +L----J I i-----,
B
B-l
B-2
B-l 2
B-3
B-13
B-8
B-7
B-5
A-46 Vacuum switch
Device
box
control solenoid
L
L
Water
temperature
sensor 1 STB Revision

8-40 WIRING HARNESS - Layout of Components WC)
LAYOUT OFCOMPONENJS [FBC)
CD
II A
5FU131
Items
Symbol Items Symbol
Auto choke relay J Slow-cut solenoid valve D
Engine speed sensor (Ignition coil 0)
Feed back carburetor control unit G
Throttle opener control solenoid valve (for the
A
K air-conditioner)
Feed back solenoid valve
I
C Throttle position sensor
I E
Oxygen sensor
I H Vacuum switch
I F
Secondary air control solenoid valve
I I 1 Water temperature sensor
I B
Throttle opener contr
solenoid valve

WIRING HARNESS - Overdrive Control System Circuit 8-43
*I
Inhibitor switch
I Water OD-OFF relav 1 temperature r -63 C-
RL To back-up light
) [Refer to P.8-45.1 2-BY
t
To starter relay
[Refer to P.8-34, 35.1 IA-12 @@ 3
4
VRR
9 5
I t
L
1
r
A-05 -10
switch
[RILRI Automatic transmission
oil temperature switch
llR)3 OD-OFF
solenoid
Wiring color code
B: Black Br: Brown G: Green G;; ;ZJ L: Blue Lg: Light green
LI: Light blue 0: Orange P: Pink Y: Yellow W: White
37w019
1 STB Revision

WIRING HAFNESS - Meter Circuit 8-53
O&y-ssure
[Eal
* - -,,- - - - -
YB
> El Oil pressure
gauge unit
ElxQ YR B BR YR
I.+
A-20
A-06 A-03
4WD Ei
indicator switch
A-07 A-04 I r-
’ fs A
I I
I
E
1 ,’
-I T
-- m-w
I ? I
I I ’
k-1 1 I
.- -
I
I ' 1
I I
I I I I 4
0.85-B Jo
cigarette lighter
[Refer to P.8-621 Brake fluid
level sensor
Parking brake
switch
L, I I 1 B-23
-- I , I I I
I !
Fuel gauge
unit
Water
temperature
gauge unit
37W617
les with combinatior
(2) %?zgdeash and dot line (- -) indicates vehicles wit1
automatic free-wheeling hub indicator.
(3) For information concerning the ground points (er
ample:n), refer to P.8-7.
(4) The symbols@,@, etc. indicate that the wiring i
connected (using the same numerical symbol) tl
Combination gauge the facing page.
(In other words,Oon the right page is connecter
to@on the left page.)
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
1 STB Revision