1987 MITSUBISHI MONTERO Transmission

IGNITION SYSTEM - Service Adjustment Procedures 8-111
SERVICE ADJUSTMENT PROCEDURES
CHECKING IGNITION TIMING NOEGIBA
IGNITION TIMING ADJUSTMENT
Adjustment conditions:
Coolant temperature: 80-90°C (170-I 90°F)
Lights and all accessories: Off
Transmission: N (Neutral)
1. Connect tachometer and timing light.
2. Start eng.ine and run at curb idle speed.
I
Curb idle speed rpm
First 500 km
(300 mile)
After 500 km
(300 mile)
725';;;
800 ?I00 3. To make adjustment at high altitude, disconnect pressure
sensor connector before stopping engine. Then restart
engine and run it at curb idle speed.
4. Check basic ignition timing and adjust if necessary.
Basic ignition timing: 7” + 2”BTDC 5. To adjust ignition timing, loosen distributor mounting nut
and turn distributor housing.
6. After adjustment, securely tighten mounting nut.
7. Reconnect pressure sensor connector disconnected in
Step 3. Then run engine at curb idle speed to make sure
that actual ignition timing is obtained.
. .
CHECKING IGNITION SYSTEM NOBDIDB
CHECKING CENTRIFUGAL ADVANCE EQUIPMENT 1.
Set the tachometer and timing light.
2. Start the engine and allow it to idle.
3. Pull out vacuum hose from vacuum controller.
4. Check the advance while slowly raising RPM. If the advance is
smooth when accompanying the increasing RPM, this is
normal.
Symptom Assumed causes
Excessive advance
Weakness of the governor spring
Sudden advance rise
Broken spring
Insufficient advance or large
Impaired movement of the gover-
hysteresis
nor weight or cam.
5. If the malfunction indicators above are confirmed, dismantle
and check the distributor.
6. After checking, let the engine idle and then turn the ignition
switch to OFF.
7. Remove the tachometer and timing light.‘.
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METERS AND GAUGES - Indicators and Warning Lights 8-141
INDICATORS AND WARNING
LIGHTS
Symbol
Operation
Turn signal indicator
+e3 This indicator flashes, as do the same side of turn-signal light
flashes. If the turn-signal light is burnt out, the blinking of
indicator slows down.
This indicator is common with hazard light.
0
High beam indicator
- This indicator illuminates when the headlights are on high
= beam.
=
* Door-ajar warning light
This warning light comes on when the door is either open or
not completely closed.
4 Fasten seat belt indicator
This indicator goes on for four to eight seconds when the
ignition key is in “ON” position, even if the driver has fastened
his seat belt.
BRAKE
Brake warning light
This warning light comes on when the ignition key is in “ON”
position, and goes off after the engine has started. This
warning light comes on when the parking brake is applied
or brake fluid level falls less than the specific level.
III Charging warning light This warning light comes on when the ignition key is in
- + “ON” position, and goes off after the engine has started.
This warning light comes on when the drive belt breaks
or the trouble occurs in the charging system.
Oil pressure warning light This warning light comes on when the ignition key is in “ON”
P position, and goes off after the engine has started. This
warning light comes on when the oil fails or the trouble
occurs in the oil circulating system.
00
Overdrive indicator
This indicator will illuminates when the overdrive control
OFF
switch is switched to the “OFF” position.
68R0133
A/T
A/T oil temperature warning light This A/T oil temperature warning light comes on when
TEMP automatic transmission fluid temperature becomes abnor-
mally high.
68WO68
Free-wheeling hub indicator
YEL This indicator comes on when the automatic free-wheeling
hubs are locked.
68WO80
z4 4WD indicator This indicator will light up when the transfer case shift lever is
shifted to the four wheel driving position (either the “4H” or the
“4L” position) and the ignition key is in the “ON” position.
CHECK
EGR
EGR warning light The EGR warning light will illuminate every 50,000 miles of
driving. When this occurs, bring the vehicle to an authorized
dealter to have the EGR system checked.
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LIGHTING SYSTEM - Specifications 8-143
LIGHTING SYSTEM
SPECIFICATIONS
GENERAL SPECIFICATIONS
EXTERIOR AND INTERIOR LIGHTS NOEIB-
Items
Exterior lights
Head lights W
Front combination lights cp
Turn-signal lights
Front side marker and position lights
Rear combination lights cp
Turn-signal light
Stop and tail lights
Back-up lights
Rear side marker lights W
Licence plate lights W
Interior lights
Dome light W
Heater panel illumination light W
Combination meter and gauge illumination light
Cigarette lighter illumination light
W
Ashtray illumination light
W
Shift illumination light (automatic transmission) W
W
NOTE
The values in parentheses denote SAE grade numbers.
RELAY AND FLASHER UNIT
Items
Light control relay
Rated load W
Range of voltage used V
Voltage drop between terminals V
Turn-signal flasher unit
Type
Rated load W
Blinking frequency [I 2.8 V, 20°C (68”F)l
Hazard flasher unit
Type cycle/min
Rated load W
Blinking frequency [ 12.8 V, 20°C (68”F)l cycle/min Specifications
60/50
32
2
32
32/3
32
3.8(194)
6
10 1.4 (74)
3.4 (158)
1.4 (74)
1.4 (74)
1.4 (74)
Specifications
Max. 200
IO-16
0.2 or less
Condenser type
84.4
85210
Heat band type
49.4-168.8
902 10
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LIGHTING SYSTEM - Circuit Diagram 8-154
Column switch
C-52 Light control relay
1
-32
J
F-GW -GW
F-B B
L
B-06
B-12
B-14
L-l5 B-20 Tail light
Tail lrght
Back-up
light
Tail light
Tail light
Back-up
light Rear
combination
light
(R.H.)
Rear
combination
light
(L.H.)
Rear side
marker light
(L.H.)
Remarks
(1) (2)
(3) The broken lines are applicable to models~equipped with
an automatic transmission.
For information concerning the ground points (exam-
ple: 0 ). refer to P.8-7. B-22
37W823
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.)
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8-156 LIGHTING SYSTEM - Circuit Diagram
CIRCUIT DIAGRAM
INSTRUMENT PANEL ILLUMINATION CORCUIT
-1.25-B-
0
.5-w 0.5-G
2-R
Battery
-Err
5-w 15-w r
Main ’ A-02 A-23
Sub fusible link
fusible link a
I
z N
A A-22 [
cy]llo CY
c-i
Optical fiber
I
Multi-purpose
fuse Heater
control knob
illumination light Heater
control knob
ght control
lay Combination
gauge B 01 0’
Illumination light
/ n
c
C
-
c-57 0 ti
Q BY Lighting
switch
Dimmer control switch
rel
Combination meter
illumination light illumination lighter
Remarks
(1) The broken lines are applicable to models eouipped with
37W822 an automatic transmission.
(2) For information concerning the ground points (exam-
ple: 0 1, refer to P.8-7.
Wiring color code
6: Black
Br: Brown G: Green
Ll: Light blue Gr: Gray
0: Orange P: Pink
R: Red L: Blue
Y: Yellow Lg: Light green
W: White 1 ST6 Revision

8-212 AUTOMATIC FREE-WHEELING HUB lNCDlCATOR SYSTEM - $%%60n’~at’on’
Speedometer
I
iensor Vehicle-speed
sensor
16W1506
12R0058
Circuit Diagram
16W153
SPECIFICATIONS
GENERAL SPECIFICATIONS VEHICLE-SPEED SENSOR (REED-TYPE SWITCH)
The vehicle-speed sensor functions to substitute pulse signals
for the rotations (vehicle speed) of the transmission’s output
gear;/ t i is located within the speedometer.
Pulse signals are generated when the speedometer cable
rotates.
AUTbMATlC FREE-WHEELING HUB INDICATOR
CONTROL UNIT
The control unit is located at the upper part of the right cowl
side.
The control unit is composed of the pulse-detection circuit
(which receives the input signals from the pulse generator),
the vehicle-speed-detection circuit (which receives the input
signals from the vehicle-speed sensor), the lock-discrimination
circuit (which, based on both of these input signals, judges the
condition of the automatic free-wheeling hub ‘and then trans-
mits indicator output signals to the memory circuit), and the
memory circuit (which “memorizes” the indicator output
signals from the lock-discrimination circuti).
Items
Automatic free-wheeling hub indicator light
Pulse generator
Type
Vehicle-speed sensor
Type
Pulse generation
SERVICE SPECIFICATIONS
Specifications
W (SAE trade number) 1.4(74)
Magnet coil type
Reed switch type
4 pulses/ rotation
NOORG-
Items Specifications
Standard values
Pulse generator resistance
R 215-275
Vehicle-speed sensor output voltage V
When OFF 4 or more 1 STB Revision
When ON 0

AUTOMATIC FREE-WHEELING HUB INDICATOR SYSTEM - Pulse Generator 8-215
PULSE GENERATOR
REMOVAL AND INSTALLATION NOBRJM
Removal steps
I. Pulse generator
2. O-ring
NOTE
(1) Reverse the removal procedures to reinstall
(2)
q : Non-reusable parts
I 16WO92 i
l Check whether or not metal particles are adhered to the
pole (iron core) of the pulse generator.
l Check whether or not the installation bolts of the pulse
rotor or the pulse generator are loose.
(For detailed information concerning the pulse rotor, refer
to GROUP 21 TRANSMISSION - Transfer.)
CHECKING PULSE GENERATOR RESISTANCE
Check whether or not the resistance between the terminals
shown in the figure is within the standard value range.
Standard value : 215 - 275 LR
If the resistance is not within the standard value range, replace
the pulse generator.
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