1991 MITSUBISHI MONTERO fuse box

CRUISE CONTROL SWITCH FUNCTION TEST
NOTE: If vehicle speed decreases approximately 9 MPH below set
speed, set speed will be cancelled.
1) Cruise control switch is part of multifunction switch
mounted on steering column. To operate cruise control system, turn
ignition on. Turn cruise control switch to ON position. Ensure switch
indicator light comes on.
NOTE: Speed will not set beyond system limit of 90 MPH.
2) With cruise control switch in ON position, drive vehicle
between 25 and 90 MPH. Press and release SET button. Vehicle speed
should stay at set speed. Instrument cluster cruise indicator light
should come on. To increase set speed, turn control switch to RESUME
position and hold until new set speed is reached.
3) To lower set speed, press SET button and hold until new
set speed is reached. To return to set speed after cancellation, move
resume switch from ON to OFF position. Vehicle speed should return to
previous setting before cancellation. Set speed should cancel when any
of the following occurs:
* Brake pedal is pressed.
* Clutch pedal is pressed.
* Transmission is shifted to Neutral or Park.
* Cruise control main switch is turned off.
* Ignition switch is turned off.
SELF-DIAGNOSTICS
1) Self-diagnostics should be performed when cruise control
cancels without the driver using normal cancel modes. Diagnosis
connector is located on right side of fuse box. Use analog voltmeter
or Multi-Use Tester (MB991341) for code retrieval.
2) Use multi-use tester according to operating instructions
provided with tester. Connect leads of analog voltmeter between cruise
control terminal and ground terminal of self-diagnostic connector. See
Fig. 6 . Read voltmeter needle sweeps to determine trouble code.
NOTE: On 1991 models, codes No. 13, 14, 15, 16 and 17 will be
displayed whether malfunction is present or not.
3) Once trouble codes have been displayed, see SELF-
DIAGNOSTIC CODE CHART to determine appropriate CIRCUIT TEST. See
Fig. 7 or 8.
4) To clear trouble codes, either disconnect battery cable or
turn ignition on. Turn main cruise control switch and set switch to ON
position. Within one second turn resume switch to ON position.
5) Hold stoplight switch and cruise control switch in ON
position for more than 5 seconds. Verify codes are cleared.
Fig. 6: Identifying Self-Diagnostic Connector Terminals
Courtesy of Mitsubishi Motor Co.

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* E LE C TR IC AL S YSTE M U NIF O RM IN SPEC TIO N G UID ELIN ES *

1 991 M it s u bis h i M onte ro
GENERAL INFORMATION
Electrical System Motorist Assurance Program
Standards For Automotive Repair
All Makes and Models
INTRODUCTION TO MOTORIST ASSURANCE PROGRAM (MAP)
CONTENTS
OVERVIEW OF MOTORIST ASSURANCE PROGRAM
OVERVIEW OF SERVICE REQUIREMENTS & SUGGESTIONS
ACTUATOR MOTORS (SOLENOIDS) (ELECTRIC)
ACTUATOR MOTORS (VACUUM)
AIR BAGS
ALTERNATORS AND GENERATORS
AMPLIFIERS
ANTENNAS
BATTERIES
BATTERY CABLES
BATTERY CABLES
BATTERY HOLD DOWN HARDWARE
BATTERY TRAYS AND HOLD DOWN HARDWARE
BATTERY WIRES
BELTS
BULB SOCKETS
BULBS, SEALED BEAMS AND LEDS
CD PLAYERS
CIGARETTE LIGHTER ASSEMBLIES
CIRCUIT BREAKERS
CLUTCH SWITCHES
CONNECTORS
CONTROL MODULES
CRUISE CONTROL BRAKE SWITCHES
CRUISE CONTROL CABLES
CRUISE CONTROL CLUTCH SWITCHES
CRUISE CONTROL LINKAGES AND CABLES
CRUISE CONTROL RESERVOIRS
CRUISE CONTROL TUBES
CRUISE CONTROL VACUUM DUMP RELEASE VALVES
CRUISE CONTROL VACUUM HOSES, TUBES AND RESERVOIRS
CRUISE CONTROL VEHICLE SPEED SENSORS
DEFOGGERS
DEFROSTERS
DELAYS
DIMMERS
ELECTRIC HEATERS
EQUALIZERS
FUSE BLOCKS
FUSE BOXES AND BLOCKS
FUSES, FUSIBLE LINKS AND CIRCUIT BREAKERS
FUSIBLE LINKS
GAUGES
GENERATORS
GROUND CABLES AND STRAPS
GROUND STRAPS
HEADLIGHT ADJUSTERS
HEATING ELEMENTS (DEFROSTERS, DEFOGGERS, ELECTRIC HEATERS AND SEATS)
HORNS AND SIRENS

Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
(1) - Determine cause and correct prior to repair or
replacement of part.
( 2) - Inoperative includes intermittent operation or out of OEM
specification.









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ELECTRIC HEATERS
See
HEATING ELEMENTS (DEFROSTERS, DEFOGGERS, ELECTRIC HEATERS AND SEATS) .
EQUALIZERS
See
RECEIVERS, AMPLIFIERS, EQUALIZERS AND SUB-WOOFER VOLUME CONTROLS .
FUSE BLOCKS
See FUSE BOXES AND BLOCKS .
FUSE BOXES AND BLOCKS
FUSE BOX AND BLOCK INSPECTION








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Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Broken, affecting
performance ............ A ............ Require replacement.
Broken, not affecting
performance ............ .. ........ No service suggested or
required.
Burned, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Burned, not affecting
performance ............ 2 ........... ( 1) Suggest repair or
replacement.
Connector broken ........ A .. Require repair or replacement.
Connector (Weatherpack
type) leaking .......... A .. Require repair or replacement.
Connector melted ........ A ........... ( 1) Require repair or
replacement.
Connector missing ....... C ............ Require replacement.
Cover missing ........... C ... Require replacement of cover.
Cracked, affecting
performance ............ A .. Require repair or replacement.
Cracked, not affecting
performance ............ 1 .. Suggest repair or replacement.
Melted, affecting
performance ............ A ........ ( 1) Require replacement.

Removal (Montero)
1) Move temperature control lever to WARM position. Drain
coolant from vehicle. Disconnect heater hoses from heater unit. See
Fig. 1.
2) Remove lap heater ducts. Remove hood release bracket.
Using screwdriver, release tabs and remove left and right demister
grilles. Remove glove box frame attaching screws, and remove glove
box. Remove passenger lap heater duct.
3) Using screwdriver and shop towel, carefully pry at top
center of instrument cluster cover, and remove cover. Remove 2 screws
at bottom of instrument panel and one bolt at top of instrument panel.
Gently pull instrument cluster out, and disconnect speedometer cable
and electrical connections. Remove instrument cluster.
4) Remove 4 screws, and disconnect electrical connections on
back of instrument cluster. Remove instrument cluster. Handle
instrument cluster carefully. Instrument cluster can be damaged if
dropped.
5) Remove center console knobs and side screw plugs. Remove
screws, disconnect electrical connections and remove console. Remove 6
bolts and console bracket (center dash reinforcement). Disconnect
radio connections while removing console bracket.
6) Remove horn pad and steering wheel retaining nut. Mark
steering wheel and steering shaft for reassembly reference. Using
steering wheel puller, remove steering wheel.
7) Using screwdriver, carefully pry out dash plug at upper
center of dash panel. Remove 3 upper dash mounting nuts, one upper
screw above steering column, and 2 lower mounting screws. Remove dash
panel.
8) Remove control cables at heater unit. Remove heater unit
attaching screws. Remove heater ducts. Remove heater unit. Remove
heater control lever arm.
9) Remove heater control valve cover. Remove heater pipe and
heater control valve. Disconnect control arm linkage. Remove control
arm. Remove heater core by moving it sideways.
Installation
1) To install, reverse removal procedure. Insert heater hoses
fully into pipes, and clamp securely to prevent leaks. Connect heater
hoses with 1-1.2" (25-30 mm) overlap on outlet.
2) When filling radiator with coolant, first open heater
control valve fully and run engine to circulate coolant and discharge
air from inside heater and engine cooling system. Stop engine, and add
coolant.
3) Adjust all control cables. When installing heater hose
grommets, apply sealer. After installing heater control assembly,
ensure each lever operates smoothly.
Removal (Pickup & Ram-50)
1) Disconnect battery ground cable. Place heater control
lever to far right. Drain coolant. Using trim stick, pry out hazard
switch and remove electrical connection. Remove 4 instrument cluster
cover screws, and remove cover. Remove 4 instrument cluster screws.
Tilt instrument cluster out, and disconnect speedometer cable and
electrical connections. Remove cluster.
2) Remove fuse box cover and fuse box assembly. Remove glove
box. Remove defroster air ducts. Disconnect heater control cables.
Using trim stick, pry under and remove speaker grilles. Remove clock
or coin box in center of dash. Remove center dash hole cover (located
above clock).
3) Remove 2 center support cover screws, and remove cover.
Remove shift knob and 6 console attaching screws. Remove console.
Ensure all electrical connections are free of dash panel. Remove 3 top
nuts, one bolt above steering column, and side and lower attaching

Application Terminals Ohms
Montero ............... No. 1 & 2 ......... 55
Pickup & Ram-50 ........ 7V & TU ....... 49-61









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VOLTMETER
Resistance Test (Montero)
Using an ohmmeter, measure resistance between voltmeter
terminals. See Fig. 9. Resistance should be 380-460 ohms.
Fig. 9: Identifying Voltmeter Resistance Test Terminals (Montero)
Courtesy of Mitsubishi Motor Sales of America.
Voltage Test (Pickup & Ram-50)
Using a voltmeter, connect positive lead to terminal No. 7 of
fuse box, and ground negative terminal. Crank engine and compare
readings of vehicle voltmeter to testing voltmeter. Voltage variation
should not exceed 0.5 volt (plus or minus). Replace voltmeter if
voltage reading is not as specified.
REMOVAL & INSTALLATION
INSTRUMENT CLUSTER
Removal & Installation (Montero)
1) Remove instrument cluster cover. Remove screws from bottom
of instrument cluster. Remove bolt from upper part of cluster.
2) Disconnect speedometer cable from back of instrument
cluster by pushing stopper of plug on speedometer cable side of
connection. Pull cluster out part way. Disconnect all connectors
attaching cluster. Remove cluster. See Fig. 10. To install, reverse
removal procedure.

Figs. 1 and 2. After recording abnormal code(s), perform necessary
repair.
4) After repair, turn ignition off and disconnect negative
battery cable for 10 seconds to erase ECU memory. Reconnect power
supply and repeat self-diagnostics to confirm repair.
SELF-DIAGNOSTIC TEST CONNECTOR LOCATION TABLE









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Application Location
Colt, Colt 200, Colt Wagon & Summit
1.5L ................................ Next to fuse block
1.6L .................................. Right kick panel
Colt Wagon & Colt Vista
1.8L & 2.0L SOHC .................... Next to fuse block
Eclipse ............................... Next to fuse block
Galant ................................... Left kick panel
Mirage ................................... Left kick panel
Montero .......................... Inside top of glove box
Precis ................................... Left kick panel









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Fig. 1: Diagnostic Fault Chart (1 of 2)
Courtesy of Mitsubishi Motor Sales of America.