key MITSUBISHI MONTERO 1998 Service Manual

Ign. Ignition 

In. Inches 

Inj. Injector 











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"J" ABBREVIATION TABLE
"J" ABBREVIATION TABLE







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ABBREVIATION DEFINITION 










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J/B Junction Block 











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"K" ABBREVIATION TABLE
"K" ABBREVIATION TABLE







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ABBREVIATION DEFINITION 










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k/ohms 1000 ohms (kilo as in k/ohms) 

kg Kilograms (weight) 

kg/cm Kilograms Per Square Centimeter 

KAM Keep Alive Memory 

KAPWR Keep Alive Power 

KM/H Kilometers Per Hour 

KOEO Key On Engine Off 

KOER Key On Engine Running 

KS Knock Sensor 











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"L" ABBREVIATION TABLE
"L" ABBREVIATION TABLE







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ABBREVIATION DEFINITION 










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L Liter(s) 

L/D Light Duty 

LCD Liquid Crystal Display 

LED Light Emitting Diode 

LH Left Hand 

LOS Limited Operation Strategy 

LT BLU Light Blue 

LT GRN Light Green 

LUS Lock-Up Solenoid 

Lbs. Pounds 

Lt(s). Light(s) 

Lugg. Luggage 











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"M" ABBREVIATION TABLE
"M" ABBREVIATION TABLE







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ABBREVIATION DEFINITION 










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mA Milliamps 

mV Millivolts 

mfd. Microfarads 

AUTO TRANS DIAGNOSIS - R4AW3 & V4AW3
1998 Mitsubishi Montero
1997-98 AUTOMATIC TRANSMISSIONS
Mitsubishi R4AW3 & V4AW3 Electronic Controls
Montero, Montero Sport
APPLICATION
TRANSMISSION APPLICATION








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Vehicle Transmission Model
Montero Sport 2WD ............................................ R4AW3
Montero & Montero Sport 4WD .................................. V4AW3









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CAUTION: Vehicle is equipped with Supplemental Restraint System (SRS).
When servicing vehicle, use care to avoid accidental air bag
deployment. SRS-related components are located in steering
column, center console, instrument panel and lower panel on
instrument panel. DO NOT use electrical test equipment on
these circuits. If necessary, deactivate SRS before servicing
components. See AIR BAG SERVICING article in APPLICATIONS &
IDENTIFICATION.
DESCRIPTION
Automatic transmission is a 4-speed electronically controlled
transmission. Solenoids that control shift changes are located in
valve body. Solenoids are controlled by a Transmission Control Module
(TCM). TCM receives information from various input devices and uses
this information to control shift solenoids for transmission shifting
and lock-up solenoid for torque converter lock-up.
An Overdrive (OD) switch is mounted on the shift lever. When
OD switch is depressed to ON position, transmission will shift into
4th gear when shift lever is in "D" position, and OD OFF light on
instrument panel will go off. When OD switch is released to OFF
position, transmission will shift into 3rd gear, and OD OFF light on
instrument panel will illuminate.
A pattern select switch is located near shift lever on center
console. Pattern select switch contains a NORMAL and a HOLD operating
position. When pattern select switch is depressed (HOLD position) with\
shift lever in Drive position, transmission starts in 2nd gear.
Upshifts and downshifts will occur at a higher vehicle speed than with
switch in NORMAL position. See MITSUBISHI R4AW3 & V4AW3 OVERHAUL
article. Indicator light on instrument panel indicates pattern select
switch is in HOLD position.
Transmission is equipped with a shift lock and key interlock
system. Shift lock system prevents shift lever from being moved from
Park unless brake pedal is depressed. Key interlock system prevents
ignition key from being moved from ACC to LOCK position on ignition
switch unless shift lever is in Park. See MITSUBISHI SHIFT LOCK
SYSTEMS article.
OPERATION
TCM
TCM receives information from various input devices and uses

AUTO TRANS DIAGNOSIS
1998 Mitsubishi Montero
1997-98 AUTOMATIC TRANSMISSIONS
Mitsubishi Shift Lock Systems
Diamante, Eclipse, Galant, Mirage, Montero, Montero Sport,
3000GT
DESCRIPTION
Shift interlock system inhibits shift selector lever movement
from "P" to drive ranges unless brake pedal is depressed. Key
interlock system prevents ignition switch turning to LOCK position
unless shift selector lever is in "P" position.
TESTING
KEY INTERLOCK SYSTEM
1) With ignition switch in LOCK position and brake pedal
depressed, ensure selector lever cannot be moved from "P" to any other
position. Ensure selector lever button cannot be pushed. With ignition
switch in ACC position, brake pedal depressed and selector lever
button pushed, ensure selector lever can be moved from "P" position to
any other position. Ensure selector lever moves smoothly.
2) Ensure ignition key cannot be turned to LOCK position at
all selector lever positions other than "P". Ensure ignition key turns
smoothly to LOCK position when selector lever is set to "P" and
selector lever button is released. If key interlock system is not as
specified, adjust key interlock cable. See KEY INTERLOCK CABLE under
ADJUSTMENTS.
SHIFT LOCK SYSTEM
1) With ignition switch in ACC position, brake pedal released
and selector lever button pushed, ensure selector lever cannot be
moved from "P" to any other position. With ignition switch in ACC
position, brake pedal depressed and selector lever button pushed,
ensure selector lever can be moved from "P" position to any other
position.
2) With selector lever in "R" position, ignition switch in
ACC position, brake pedal released and selector button pushed, ensure
selector lever can be moved from "R" to "P" position. If shift lock
system is not as specified, adjust shift lock cable. See SHIFT LOCK
CABLE under ADJUSTMENTS.
ADJUSTMENTS
KEY INTERLOCK CABLE
3000GT
Remove front console assembly. Move selector lever to "P".
Loosen nut securing key interlock cable. Gently press lock cam "A"
down while pushing cable to take up slack. See Fig. 1. Tighten nut to
specifications to secure cable. See TORQUE SPECIFICATIONS.

Fig. 1: Adjusting Key Interlock Cable (3000GT)
Courtesy of Mitsubishi Motor Sales of America.
Except 3000GT
Remove front console assembly. Move selector lever to "P".
Turn ignition switch to LOCK position. Loosen nut securing key
interlock cable. See Fig. 2. Gently push lock cam until pin stops in
direction of arrow. Tighten nut to specifications to secure cable. See
TORQUE SPECIFICATIONS. Install front console assembly.
Fig. 2: Adjusting Key Interlock Cable (Except 3000GT)
Courtesy of Mitsubishi Motor Sales of America.
SHIFT LOCK CABLE

Fig. 4: Adjusting Shift Lock Cable (Except 3000GT)
Courtesy of Mitsubishi Motor Sales of America.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS








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Application INCH Lbs. (N.m)\
Shift Lock Cable-To-Shift Console Assembly
3000GT ................................................... 89 (10)\
Diamante, Eclipse & Galant .............................. 106 (12)\
Montero & Montero Sport ................................... 44 (5)\
Mirage .................................................. 115 (13)\
Key Interlock Cable-To-Shift Console Assembly
3000GT ................................................... 89 (10)\
Diamante, Eclipse, Galant, Montero & Montero Sport ...... 106 (12)\
Mirage .................................................. 115 (13)\









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COMPUTER RELEARN PROCEDURES
1998 Mitsubishi Montero
GENERAL INFORMATION
Computer Relearn Procedures
All Models
* PLEASE READ THIS FIRST *
The following general procedures are to be used if
driveability problems are encountered after power loss or battery has
been disconnected. These procedures may provide an aid in eliminating
these problems.
To reduce the possibility of complaints, after any service
which requires battery power to be disconnected, vehicle should be
road tested.
COMPUTER RELEARN PROCEDURES
Vehicles equipped with engine or transmission computers may
require a relearn procedure after vehicle battery is disconnected.
Many vehicle computers memorize and store vehicle operation patterns
for optimum driveability and performance. When vehicle battery is
disconnected, this memory is lost. The computer will use default data
until new data from each key start is stored. As computer memorizes
vehicle operation for each new key start, driveability is restored.
Vehicle computers may memorize vehicles operation patterns for 40 of
more key starts.
Customers often complain of driveability problems during
relearn stage because vehicle acts differently then before being
serviced. Depending on type and make of vehicle and how it is
equipped, the following complaints (driveability problems) may exist:
* Harsh Or Poor Shift Quality
* Rough Or Unstable Idle
* Hesitation Or Stumble
* Rich Or Lean Running
* Poor Fuel Mileage
These symptoms and complaints should disappear after a number
of drive cycles have been memorized. To reduce the possibility of
complaints, after any service which requires battery power to be
disconnected, vehicle should be road tested. If a specific relearn
procedure is not available, the following procedure may be used:
Automatic Transmission
* Set parking brake, start engine in "P" or "N" position.
Warm-up vehicle to normal operating temperature or until
cooling fan cycles.
* Allow vehicle to idle for one minute in "N" position. Select
"D" and allow engine to idle for one minute.
* Accelerate at normal throttle position (20-50%) until vehicle
shifts into top gear.
* Cruise at light to medium throttle.
* Decelerate to a stop, allowing vehicle to downshift, and use
brakes normally.
* Process may be repeated as necessary.
Manual Transmission

DOOR LOCKS - POWER & KEYLESS ENTRY
1998 Mitsubishi Montero
1998 ACCESSORIES & EQUIPMENT
Mitsubishi - Keyless Entry & Power Door Locks
Montero & 3000GT
DESCRIPTION & OPERATION
On 3000GT, power door locks are controlled by driver or
passenger switches which send signals to Electronic Timer Alarm
Control System (ETACS) ECU. ETACS-ECU sends appropriate signals to
individual door lock actuators through individual relays.
The following features are incorporated in power door lock
systems that have an ETACS-ECU:
* Once locked door is closed, system will unlock door if key
remains in ignition switch.
* Continuous switching between lock and unlock of door will
disable system for about one minute.
On Montero, power door lock actuator receives signal from
individual control relay that is operated by a switch incorporated in
actuator. On all models, all door locks are actuated with operation of
one lock.
Montero and 3000GT offer optional keyless entry system. Use
of a 2-button portable remote control operates door locks within a
range of 13 ft. (4 m). Dome light flashes twice when doors are locked
and illuminates for 3 seconds when doors are unlocked. If, after 30
seconds, door(s) have not been opened when unlocked with keyless entry\
system, doors will relock.
COMPONENT LOCATIONS
COMPONENT LOCATIONS TABLE








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Component Location
ETACS-ECU
3000GT ........................ Behind Left Side Of Dash
Data Link Connector (DLC) ....... Under Left Side Of Dash,
Below Steering Column
Door Lock Actuator ...................... Inside Each Door
Door Lock Relay
Montero ....................... Behind Left Side Of Dash
3000GT
No. 1 ........................ Under Left Side Of Dash
No. 2 ................. Behind Left Rear Quarter Panel
Power Door Lock Control Unit
Montero
W/O RKE .................... Behind Left Side Of Dash,
Behind Speaker
Receiver
3000GT ................. Behind Right Rear Quarter Panel
Remote Keyless Entry (RKE)
Control Unit
Montero ............... Behind Right Rear Quarter Panel
3000GT ................. Behind Left Rear Quarter Panel









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TRANSMITTER PROGRAMMING
NOTE: Transmitter programming should be performed only after
verifying that door lock operates normally using key.
NOTE: Ensure ignition is off when connecting or disconnecting scan
tool.
Using Scan Tool (Montero & 3000GT)
1) Connect scan tool to DLC. Close all doors. Turn ignition
switch to ACC position, then to OFF position. Press desired
transmitter switches (secret code), then press twice within 10 seconds\
to register code.
2) Lock and unlock door once. If there are 2 transmitters,
program the first, then the second transmitter using the same
procedure within one minute. After completing the second programming,
lock and unlock door once.
3) Programming mode is finalized when programming of second
transmitter secret code is complete, one minute after setting secret
code, when scan tool is disconnected, when ignition is turned on or
when any door is opened.
Without Scan Tool (Montero)
1) Move code registration switch on RKE control unit to SET I
position. Press the LOCK or UNLOCK button on transmitter. Move code
registration switch on control unit to FIX position.
2) Confirm that keyless entry system operates normally. If
system does not operate normally, repeat step 1). If 2 transmitters
are used, register code on SET II position on RKE control unit and set
in same manner as the first transmitter.
TROUBLE SHOOTING
POWER DOOR LOCK INOPERATIVE
Operate door lock(s) with ignition switch in OFF position. If\
door lock(s) do not operate, check for following possible causes:
* Burned fuse, circuit breaker or fusible link caused by short
to body ground.
* Wire connector, or pin inside connector, disengaged at any
connector or component in system.
* Defective ETACS-ECU (if equipped).
* Defective door lock switch, relay or actuator.
* Subfreezing weather conditions, mechanical failure, or
corroded or misaligned assemblies.
KEY REMINDER SYSTEM INOPERATIVE (ETACS-ECU CONTROLLED SYSTEM)
With key inserted in ignition switch, lock driver's or
passenger's door and close door. If door locks do not unlock, check
for following possible causes:
* Defective key reminder switch or no input signal to
ETACS-ECU.
* Defective front door switch or no input signal to ETACS-ECU.
* Defective vehicle speed sensor or no input signal to
ETACS-ECU.
INPUT SIGNAL

Fig. 4: Inspecting Door Lock Sub-Switch (3000GT W/Power Window)
Courtesy Of Mitsubishi Motor Sales Of America
Fig. 5: Inspecting Door Lock Switch (3000GT W/O Power Window)
Courtesy Of Mitsubishi Motor Sales Of America
KEYLESS ENTRY CONTROL UNIT

NOTE: Testing information for RKE control unit is not available
from manufacturer at time of publication. See
PIN VOLTAGE TESTS .
NOTE: If after all testing procedures are completed, system is not
functioning properly, replace unit with a known-good keyless
entry control unit and retest.
POWER DOOR LOCK CONTROL UNIT
Montero (W/O Remote Keyless Entry)
1) Remove power door lock control unit. See
COMPONENT LOCATIONS . Apply battery voltage to control unit terminal
No. 8 (Red/Yellow wire). See WIRING DIAGRAMS.
2) Jumper control unit terminals No. 4 (Black wire), No. 5
(Blue/White wire), and No. 7 (Black/Yellow wire) to battery negative\
terminal. Connect an analog voltmeter between ground and terminal No.
3 (Blue/Red wire). Set voltmeter to DC volts.
3) Remove jumper from control unit terminal No. 5 or 7.
Voltmeter needle should deflect.
4) Jumper control unit terminals No. 4 (Black wire) and No. \
5
(Blue/White wire) to ground. Connect voltmeter between ground and
terminal No. 3 (Blue/Red wire). Jumper control unit terminal No. 7
(Black/Yellow wire) to ground. Voltmeter needle should deflect.
5) Jumper control unit terminal No. 4 (Black wire) to ground\
.
Connect voltmeter between ground and control unit terminal No. 3
(Blue/Red wire). Jumper control unit terminal No. 7 (Black/Yellow
wire) to ground. Voltmeter needle should not deflect.
6) Check if voltage is present between battery ground and
control unit terminals No. 2 (Black/Blue wire) and No. 6 (Black/Red
wire). Battery voltage should be present. If circuits do not test as
specified, replace door lock control unit.
BACK DOOR (LIFTGATE) LOCK ACTUATOR
Montero
Access door lock actuator. See DOOR LOCK ACTUATOR R & I under
REMOVAL & INSTALLATION. Disconnect back door actuator harness
connector. Remove actuator if needed. Connect positive lead of 12-volt
power source to actuator connector. Actuator should operate when
negative lead contacts actuator housing. Replace actuator as needed.
PIN VOLTAGE TESTS