1998 MITSUBISHI MONTERO ECU

Parking Brake Switch ...................... Analog Instrument Panels
Park Lights ........................................ Exterior Lights
Park/Neutral Position Switch .............................. Starters
Engine Performance
Anti-Theft System
Body Control Module
Perimeter Lighting Control Relay ................... Exterior Lights
Power Amplifier ..................................... Power Antennas
Power Antenna Module ................................ Power Antennas
Power Antenna Motor ................................. Power Antennas
Power Distribution Center ....................... Power Distribution
Generators & Regulators
Starters
Power Door Lock Motors ............................ Power Door Locks
Power Mirror Motors .................................. Power Mirrors
Memory Systems
Power Sliding Door Controller .............. Power Sliding Side Door
Power Seat Motors ...................................... Power Seats
Memory Systems
Power Steering Pressure Switch .................. Engine Performance
Power Top Motor .............................. Power Convertible Top
Power Top Relay(s) ........................... Power Convertible Top\
Powertrain Control Module ....................... Engine Performance
Analog Instrument Panels
Cruise Control Systems
Data Link Connectors
Generators & Regulators
Starters
Power Window Motors .................................. Power Windows
Power Window Relay(s) ................................ Power Windows\
Radiator Fan Motor(s) ........................ Electric Cooling Fans\
Radiator Fan Relay(s) ........................... Engine Performance\
Electric Cooling Fans
Rainsense Module .............................. Wiper/Washer Systems
Raise Relay .................................. Power Convertible Top
Remote Anti-Theft Personality (RAP) Module ....... Anti-Theft System\
Starters
Warning Systems
Seat Belt Pretensioners ................... Air Bag Restraint System
Seat Belt Retractor Solenoid .................... Passive Restraints
Seat Belt Switch .......................... Air Bag Restraint System
Passive Restraints
Shift Interlock Solenoid ................... Shift Interlock Systems
Shift Lock Actuator ........................ Shift Interlock Systems
Side Marker Lights ................................. Exterior Lights
SIR Coil Assembly (Clockspring) ........... Air Bag Restraint System\
Slip Ring (Clockspring) ................... Air Bag Restraint System\
Steering Column Switches
SRS Control Module ........................ Air Bag Restraint System
Starter Motor ............................................. Starters
Starter Interrupt Relay ................................... Starters
Starter Solenoid .......................................... Starters
Starter Relay ............................................. Starters
Steering Wheel Position Sensor .................... Anti-Lock Brakes
Stoplights ......................................... Exterior Lights
Stoplight Switch ................................ Engine Performance
Cruise Control Systems
Anti-Lock Brakes
Sun Roof ECU ........................................ Power Sun Roof
Sun Roof Motor ...................................... Power Sun Roof
Sun Roof Position Sensor ............................ Power Sun Roof
Taillights ......................................... Exterior Lights
Throttle Position (TP) Sensor ................... Engine Performance\

DISTRIBUTOR
NOTE: Eclipse, Mirage 1.8L, Montero, Montero Sport 3.0L and 3000GT
DOHC use Distributorless Ignition System (DIS). All other
models use distributor type ignition systems with
non-serviceable distributors on which only the rotor and
distributor cap can be changed.
FUEL SYSTEM
* PLEASE READ THIS FIRST *
WARNING: Always relieve fuel pressure before disconnecting any fuel
injection-related component. DO NOT allow fuel to contact
engine or electrical components.
FUEL SYSTEM PRESSURE RELEASE
Relieving Fuel Pressure
1) On Diamante, disconnect fuel pump harness connector at
fuel tank from underneath vehicle. On Montero and Montero Sport,
remove cargo compartment carpet, remove access plate and disconnect
fuel pump harness connector. On all other models, remove rear seat
cushion and remove access plate (if required) to disconnect fuel pump
harness connector.
2) On all models, start engine. Let engine run until it
stops. Turn ignition off. Disconnect negative battery cable. Connect
fuel pump harness connector. Reinstall rear seat (if necessary.)
FUEL PUMP
Removal & Installation (Diamante, Eclipse, Galant & Montero)
1) Fuel pump assembly is located inside fuel tank. Release
fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Remove access panel
under seat, in trunk or in rear cargo area. Disconnect electrical
connectors and fuel hoses at fuel tank.
2) Remove fuel filler hose from fuel tank. Remove fuel pump
assembly. To install, reverse removal procedure. Tighten nuts to
specification. See TORQUE SPECIFICATIONS .
Removal & Installation (Mirage, Montero Sport & 3000GT)
1) Fuel pump assembly is located inside fuel tank. Release
fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Raise vehicle on
hoist. Drain fuel into suitable container. Disconnect electrical
connectors and breather/fuel hoses at fuel tank.
2) Remove fuel filler hose from fuel tank. Support fuel tank
with transmission jack. Remove nuts securing fuel tank. Remove fuel
tank from vehicle. Remove fuel pump assembly. To install, reverse
removal procedure. Tighten nuts to specification. See
TORQUE SPECIFICATIONS .
FUEL RAILS & INJECTORS
WARNING: Use a rag to cover fuel hose connection before disconnecting
high pressure fuel hose at fuel rail. Some residual fuel
pressure may still be in system.
CAUTION: DO NOT drop injectors while removing or installing fuel rail.
Removal (Diamante, Montero Sport 2.4L & 3000GT)

2) Disconnect air intake hose and vacuum hoses. Remove air
hose and air outlet housing. Remove heat protectors. Disconnect
exhaust pipe. Remove power steering oil pump and bracket. Remove
engine hanger bracket. Disconnect oil inlet pipe.
3) Disconnect engine coolant hoses and tubes from
turbocharger. Remove exhaust manifold nuts and bolts. Remove exhaust
manifold and gaskets. Disconnect oil pressure and return pipes. Remove
turbocharger and exhaust manifold assembly. Separate turbocharger from
exhaust manifold.
Removal (3000GT - Front)
1) Disconnect negative battery cable. Drain engine oil and
coolant. Remove radiator. Disconnect exhaust pipe. Remove air intake
hose, air hoses and air pipe. Remove generator and belt. Remove oil
dipstick guide.
2) Remove heat protector. Disconnect front heated oxygen
sensor connector. Remove oil return pipe. Remove turbocharger support
bracket, and remove turbocharger from exhaust manifold.
Removal (3000GT - Rear)
1) Disconnect battery cables, and remove battery. Drain
engine oil and cooling system. Remove accelerator cable. Remove air
hose, air pipe and heat protectors. Disconnect clutch booster vacuum
hose. Remove air intake hoses and EGR pipe. Disconnect heated oxygen
sensor connectors.
2) Remove oil pipe and EGR valve. Disconnect exhaust fitting,
and remove rear heat protector. Remove oil return pipe. Remove
turbocharger assembly.
Inspection (All Models)
Check turbine and compressor wheels for cracking and other
damage. Ensure turbine and compressor wheels turn smoothly. Check for
oil leakage from turbocharger assembly. Check for proper wastegate
valve operation. See I - SYSTEM/COMPONENT TESTS article.
CAUTION: Apply light coat of oil to inner surface of flared area on
water pipe (flare nut fitting) before connecting to engine.
Installation (All Models)
1) To install, reverse removal procedure. Before oil pipe
flare nut (above turbocharger) is installed, pour clean engine oil
into turbocharger oil pipe installation hole. Ensure oil and air hoses
are properly installed and securely clamped.
2) Use NEW gaskets. Adjust accelerator cable (if necessary).\
Refill engine oil and coolant. Check for oil and coolant leaks.
Tighten all bolts to specification. See TORQUE SPECIFICATIONS.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS TABLE








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Applications Ft. Lbs. (N.m)
Coolant Pipe-To-Turbocharger Banjo Bolt .......... 31 (42)
EGR Valve ........................................ 16 (22)
Engine Coolant Temperature Sensor ................ 22 (30)
Exhaust Manifold-To-Engine Nuts ............ 18-21 (24-29)
Exhaust Manifold-To-Turbocharger Bolts ..... 40-47 (54-64)
Exhaust Pipe Bolts ......................... 21-36 (29-49)
Fuel Filter Line ................................. 27 (36)
Fuel Tank Drain Plug ....................... 11-18 (15-24)
Fuel Tank Nuts ............................. 15-21 (20-29)

SEATS - POWER
1998 Mitsubishi Montero
1998 ACCESSORIES & EQUIPMENT
Mitsubishi - Power Seats
Eclipse, Galant, Montero, 3000GT
DESCRIPTION & OPERATION
Power seat system consists of reversible motors, a control
switch assembly and a wiring harness. Circuit is protected by a
fusible link, located in main relay box in engine compartment.
Power assist adjustments offered are: forward and backward
movement, height adjustment and separately adjusted front or rear seat
tilt. Controls are located on side of seat cushion or on center
console.
COMPONENT LOCATIONS
COMPONENT LOCATIONS TABLE








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Component Location
Data Link Connector (DLC) ............ Under Left Of Dash,
Below Steering Column
ETACS-ECU
3000GT ......................... Left Of Steering Column
Seat Adjusting Motors .............. Under Each Front Seat









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COMPONENT TESTS
LIMIT SWITCH/SENSOR
Galant (Driver's Seat)
Disconnect each limit switch harness connector. Operate each
switch to check continuity between specified pins using ohmmeter. See
LIMIT SWITCH CONTINUITY TABLE (GALANT) . See Fig. 1. Replace power seat
adjuster assembly if any switch fails testing.
LIMIT SWITCH CONTINUITY TABLE (GALANT)









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Switch Check Continuity
Position Between Pins No.
Slide Limit Switch
Forward .......................................... 1 & 2
Backward ......................................... 1 & 3
Middle (ON) ................................... 1, 2 & 3
Front & Rear Height Limit Switch
Front Up ......................................... 1 & 3
Front Down ....................................... 1 & 2
Front Middle (ON) ............................. 1, 2 & 3
Rear Up .......................................... 1 & 3
Rear Down ........................................ 1 & 2
Rear Middle (ON) .............................. 1, 2 & 3









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SUN ROOF - POWER
1998 Mitsubishi Montero
1998 ACCESSORIES & EQUIPMENT
Mitsubishi - Power Sun Roofs
Eclipse, Galant, Montero, Montero Sport, 3000GT
DESCRIPTION & OPERATION
Sun roof is actuated by an overhead console-mounted switch.
Sun roof motor, located near switch, moves sun roof panel by means of
drive cables. If necessary, sun roof can be closed manually using
manual closure wrench stored in vehicle's tool pouch.
On vehicles equipped with Electronic Timer Alarm Control
System (ETACS) ECU, sun roof can be operated up to 30 seconds after
ignition switch is turned to OFF position.
Sun roof motor incorporates a safety feature that initially
limits opening or closing of roof glass panel. Sun roof will not fully
close from fully open position without first releasing and then
depressing slide switch during operation. Sun roof initially stops
about 8" short of fully closed position.
COMPONENT LOCATIONS
COMPONENT LOCATIONS TABLE








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Component Location
Data Link Connector (DLC) ....... Under Left Side Of Dash,
Below Steering Column
Sun Roof ECU
Galant ............................... Inside Headliner,
On Left Rear Of Sun Roof
Montero Sport ........................ Inside Headliner,
On Right Front Of Sun Roof
Eclipse, Montero & 3000GT ............ Inside Headliner,
On Front Center Of Sun Roof
Sun Roof Motor ................ Inside Headliner, Near ECU









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SERVICING
LUBRICATION
NOTE: Only Lubrication procedures during reassembly of sliding
roof assembly components are available from manufacturer at
time of publication.
ADJUSTMENTS
SUN ROOF FIT
1) Fully close sun roof. Fully open sun shade. Remove side
covers from underneath sun roof. Loosen 6 sun roof glass mounting nuts
and adjust glass forward, backward or sideways, if necessary.
2) If adjustment cannot be made by loosening mounting nuts,
check if sun roof glass or motor is in fully closed position. Readjust
as necessary.

COMPONENT TESTS
DRIVE MOTOR
Eclipse & Montero Sport
Remove drive motor. See DRIVE MOTOR R & I under REMOVAL &
INSTALLATION. Using 12-volt power supply, apply voltage to 2-terminal
connector. Reverse power supply leads to reverse motor direction.
Replace motor as necessary.
Galant
Remove drive motor. See DRIVE MOTOR R & I under REMOVAL &
INSTALLATION. Using 12-volt power supply, apply voltage to terminals
No. 1 (Blue wire) and No. 4 (Blue/White wire) of 6-terminal drive
motor connector. Reverse power supply leads to reverse motor
direction. Replace motor as necessary.
Montero
Remove drive motor. See DRIVE MOTOR R & I under REMOVAL &
INSTALLATION. Using 12-volt power supply, apply voltage to terminals
No. 1 (Green wire) and No. 3 (Green/Red wire and Black wire) of 4-
terminal drive motor connector. Reverse power supply leads to reverse
motor direction. Replace motor as necessary.
3000GT
Remove drive motor. See DRIVE MOTOR R & I under REMOVAL &
INSTALLATION. Using 12-volt power supply, apply voltage to terminals
No. 1 (Red/Blue wire) and No. 2 (Red/Yellow wire) of 8-terminal driv\
e
motor connector. Reverse power supply leads to reverse motor
direction. Replace motor as necessary.
DRIVE MOTOR LIMIT SWITCH
Eclipse & Montero Sport
1) Remove sun roof ECU. Look into viewing windows while
turning rotating wheel. See Fig. 2. Turn rotating wheel until White
marks appear. When White marks appear in viewing windows at same time,
stop turning rotating wheel.
2) Close sun roof fully. Install timed sun roof control unit.
Ensure wiring connector is properly inserted into control unit. Insert
a flat-blade screwdriver, place on tab and press to right, being
careful not to pinch wiring. See Fig. 3.
Fig. 2: Timing Sun Roof ECU (Eclipse & Montero Sport)
Courtesy of Mitsubishi Motor Sales of America

Fig. 3: Installing Sun Roof ECU (Eclipse & Montero Sport)
Courtesy of Mitsubishi Motor Sales of America
Galant
Remove limit switches from drive motor. Using ohmmeter, check
continuity of each switch. Continuity should exist between terminals
No. 3 (Blue/Red wire) and No. 5 (Black wire) for switch No. 1, and
terminals No. 5 (Black wire) and No. 6 (Blue/Black wire) for switch
No. 2. Replace switches as necessary. See Fig. 4.
Fig. 4: Identifying Sun Roof Motor Connector (Galant)
Courtesy of Mitsubishi Motor Sales of America
Montero
Using ohmmeter, check continuity of limit switch. When

and remove. Disconnect all external solenoid and switch connections.
3) On Montero 4WD, remove catalytic converter and front
exhaust pipe. On all models, disconnect speedometer cable and control
cables at transmission. Remove starter and bellhousing cover. Place
reference mark on torque converter and drive plate for reassembly
reference. Remove torque converter bolts. Push torque converter back
and away from drive plate.
4) Disconnect transmission cooler lines. Remove oil filler
tube. Secure transmission on a jack. Raise transmission slightly to
take weight off mount. Remove crossmember-to-mount bolts and
crossmember.
5) Remove transfer case mounting bracket and mount (if
equipped). Remove transmission-to-engine mounting bolts. Carefully
lower transmission from vehicle.
CAUTION: Ensure torque converter is fully seated in transmission
before installation.
Installation
1) To install, reverse removal procedure. Tighten
transmission-to-engine bolts and torque converter-to-drive plate bolts
to specification. See TORQUE SPECIFICATIONS. Tighten mount bolts with
weight of engine and transmission on mounts. Ensure reference marks on
drive shaft(s) and torque converter-to-drive plate are matched.
2) Apply sealant to transfer case gearshift assembly gasket
before installation. Coat transmission oil filler tube "O" ring with
transmission fluid before installation. Refill transmission fluid to
specified level. See LUBRICATION in TRANSMISSION SERVICING - A/T
article. Adjust all control cables. See ADJUSTMENTS in
TRANSMISSION SERVICING - A/T article.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS - FWD MODELS








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Applications Ft. Lbs. (N.m)\
Ball Joint Nut ............................................ 74 (100)\
Center Crossmember Assembly Front Bolt ..................... 69 (93)\
Center Crossmember Assembly Rear Bolt ...................... 52 (70)\
Starter Bolts .............................................. 22 (30)\
Tie Rod End Nut ............................................ 21 (28)\
Torque Converter-To-Drive Plate Bolt ................. 33-38 (45-52)\
Transaxle-To-Engine Block Bolt
8-mm Bolt .................................................... ( 1)
10-mm Bolt ......................................... 22-25 (30-34)\
12-mm Bolt ......................................... 31-40 (42-54)\
Upper Coupling Bolts
2.4L ..................................................... 35 (48)\
3.0L ..................................................... 54 (73)\
Lower Coupling Bolts
2.4L ..................................................... 35 (48)\
3.0L ..................................................... 65 (88)\
( 1) - Tighten to 84-108 INCH lbs. (10-12 N.m).









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TORQUE SPECIFICATIONS - RWD MODELS








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Applications Ft. Lbs. (N.m)\
Engine-To-Transmission Bolt ................................ 65 (88)\