ATF MITSUBISHI MONTERO 1998 Service Manual

ABBREVIATIONS
1998 Mitsubishi Montero
GENERAL INFORMATION
COMMONLY USED ABBREVIATION
"A" ABBREVIATION TABLE
"A" ABBREVIATION TABLE







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ABBREVIATION DEFINITION 










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A Amperes 

A/C Air Conditioning 

A/T Automatic Transmission/Transaxle 

AAP Auxiliary Accelerator Pump 

AB Air Bleed 

ABCV Air Bleed Control Valve 

ABDC After Bottom Dead Center 

ABRS Air Bag Restraint System 

ABS Anti-Lock Brake System 

AC Alternating Current 

ACC A/C Clutch Compressor 

ACCS A/C Cycling Switch 

ACCUM Accumulator 

ACCY Accessory 

ACT Air Charge Temperature Sensor 

ACV Thermactor Air Control Valve 

ADJ Adjust or Adjustable 

ADV Advance 

AFS Airflow Sensor 

AI Air Injection 

AIR or A.I.R. Air Injection Reactor 

AIS Air Injection System 

ALCL Assembly Line Communications Link 

ALDL Assembly Line Diagnostic Link 

ARC Automatic Ride Control 

ASCD Automatic Speed Control Device 

ASCS Air Suction Control Solenoid 

ASD Auto Shutdown 

ASDM Air Bag System Diagnostic Module 

ASV Air Suction Valve 

ATC Automatic Temperature Control 

ATDC After Top Dead Center 

ATF Automatic Transmission Fluid 

ATS Air Temperature Sensor 

AXOD Automatic Transaxle Overdrive 

Abs. Absolute 

Accy. Accessory 

Alt. Alternator or Altitude 

Amp. Ampere 

Assy. Assembly 

Auto. Automatic 

Aux. Auxiliary 

Avg. Average 











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"B" ABBREVIATION TABLE
"B" ABBREVIATION TABLE

this information to control solenoids on transmission valve body. TCM
controls transmission shifting and torque converter lock-up.
TCM contains a self-diagnostic system, which will store
Diagnostic Trouble Codes (DTC) if failure or problem exists in
electronic control system. DTC can be retrieved to determine problem
area. See SELF-DIAGNOSTIC SYSTEM. TCM is located under left side of
instrument panel, left of steering column. See Fig. 1.
TCM INPUT DEVICES
Brakelight Switch Signal
Brakelight switch delivers input signal to TCM, indicating
vehicle braking. Brakelight switch is located on brake pedal support.
Cruise Control Electronic Control Unit (ECU)
Cruise control ECU delivers an input signal to control
overdrive operation in accordance with vehicle speed when cruise
control is operating. When in overdrive with cruise control on, if
vehicle speed drops 2 MPH less than the set speed, overdrive is
released to prevent reduction in vehicle speed. Once vehicle speed is
more than the set speed, overdrive function is resumed. If coolant
temperature is low, transmission will not shift into overdrive. Cruise
control ECU is located below center A/C vent, behind temperature
control panel on Montero. On Montero Sport, cruise control ECU is
located behind driver's kick panel.
Engine Coolant Temperature Sensor (ECT) Signal
Engine coolant temperature sensor delivers input signal to
TCM, indicating engine coolant temperature. Coolant temperature sensor
is located on engine.
Input & Output Shaft Speed Sensors
Sensors are magnetic pick-ups that monitor input and output
shaft speeds. AC waveforms are input to TCM by sensors. Sensors are
located on front and rear side of transmission case.
OD Switch Signal
The OD switch provides an input signal to TCM to indicate
when overdrive is selected by operator. 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 come on. The
OD switch is mounted on shift lever.
Oil Temperature Sensor Signal
Oil temperature sensor provides TCM with ATF temperature
values. TCM uses this information to control shift points for maximum
performance. If transmission oil temperature exceeds standard values,
instrument panel ATF - TEMP light will come on. Sensor is mounted to
cooler line at transmission.
Park/Neutral Position (PNP) Switch Signal
PNP switch delivers an input signal to TCM indicating shift
lever position. Switch is located on side of transmission.
Throttle Position (TP) Sensor Signal
TP sensor delivers closed throttle and variable throttle
position input signals to TCM. TP sensor is located on side of
throttle body.
4WD Low Range Detection Switch
4WD low range detection switch provides information to TCM

Fig. 4: Checking Operation Of Shift Solenoids No. 1 & No. 2
Courtesy of Mitsubishi Motor Sales of America.
SELF-DIAGNOSTIC SYSTEM
SYSTEM DIAGNOSIS
NOTE: Before testing transmission, ensure fluid level is correct
and throttle and shift cables are properly adjusted. Ensure
engine starts with shift lever in Park and Neutral to ensure
proper adjustment of park/neutral position switch.
Transmission must first be tested by checking for stored
codes. See RETRIEVING DIAGNOSTIC TROUBLE CODES (DTC).
TCM monitors transmission operation and contains a self-
diagnostic system which stores a DTC if an electronic control system
failure or problem exists. If a problem exists in any of the solenoids
or speed sensors and a DTC is set, TCM delivers a signal to blink the
ATF TEMP light on instrument panel to warn the driver. DTC may be set
if a failure exists and can be retrieved for transmission diagnosis.
RETRIEVING DIAGNOSTIC TROUBLE CODES (DTC)
NOTE: Before retrieving DTC, ensure proper battery voltage exists
for proper self-diagnosis system operation. DO NOT disconnect
battery or ECM connectors before retrieving DTC.
Retrieving Codes Using Scan Tool
Ensure ignition switch is in OFF position. Connect scan tool
to Data Link Connector (DLC). See Fig. 5. Turn ignition switch to ON
position. Check for stored DTC and record code(s). See DIAGNOSTIC
TROUBLE CODE IDENTIFICATION table.

If DTC 51 is set also, go to DTC 51: 1ST GEAR RATIO SIGNAL
INCORRECT test. If DTC 51 is not set, check overdrive brake for a
mechanical failure. See OVERDRIVE BRAKE in MITSUBISHI R4AW3 & V4AW3
OVERHAUL article.
SYMPTOM TROUBLE SHOOTING
NOTE: Check system using appropriate scan tool. See WIRING DIAGRAMS
for electrical schematics and COMPONENT TESTING.
COMMUNICATION WITH SCAN TOOL NOT POSSIBLE
If scan tool cannot communicate with TCM, check proper
connection with DLC. Check TCM power circuits, TCM ground circuits and
malfunctioning TCM.
SHIFT POINTS INCORRECT
If shift points are incorrect, check for DTCs. If no DTC is
present, check oil temperature sensor, pattern select switch, 4WD low
range detection switch and TCM for proper operation.
UPSHIFTS OCCUR SPONTANEOUSLY
If upshifting occurs spontaneously, check park/neutral
position switch, overdrive switch and TCM for proper operation.
TCC LOCK-UP MALFUNCTIONING
If TCC lock-up system is not operating properly, check torque
converter, valve body, lock-up switch and oil temperature switch.
COMPONENT TESTING
A/T FLUID TEMPERATURE SWITCH
1) Remove fluid temperature switch, located to rear of
neutral safety switch. Immerse switch in container of ATF up to top
threaded portion of switch. Using a DVOM, check continuity between
switch terminals. Continuity should not exist when fluid temperature
is 257
F (125C) or less.
2) When fluid is heated to 289-304F (143-151C), continuity
should exist. Replace switch if necessary. Apply thread sealant to
fluid temperature switch threads and install in transmission.
BRAKELIGHT SWITCH
1) Disconnect electrical connector from brakelight switch,
located near brake pedal. Using ohmmeter, ensure continuity exists
between terminal No. 2 (White/Red wire) and terminal No. 3 (Green
wire) with brake pedal released. Replace brakelight switch if
continuity does not exist. Continuity should not exist between
terminals No. 2 and No. 3 with brake pedal depressed.
2) If continuity does not exist, ensure brake pedal is
properly adjusted so brakelight switch has proper travel for switch
operation. If proper brakelight switch travel exists, replace
brakelight switch.
ENGINE COOLANT TEMPERATURE (ECT) SENSOR









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Engine Oil Ambient Temperature Less Than  SAE 5W-30 

(
1)  0\bF (-18\bC) To 100\bF (38\bC)  












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Ambient Temperature Above 0\bF  SAE 10W-30 

 (-18\bC) To Over 100\bF (38\bC)  











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Power  All Automatic Transmission 

Steering   Fluid DEXRON II 

Fluid   











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Engine  All  50/50 Mixture Of 

Coolant   Distilled Water & 

  Ethylene Glycol 











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Transfer Case All API Classification GL-4

  SAE 75W-85W Or 75W-90 











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Front Axle  All API Classification GL-5

  Or Higher (
2) 











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Clutch Fluid  All  DOT 3 Or DOT 4 











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Hook Lock  All  Multipurpose Grease 

Catch, Door   NLGI Grade 2 

Lock Strikers  

Seat Adjust-   

ers, Backdoor  

Lock, Parking  

Brake Cable   

Mechanism   











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Front Wheel  All  Multipurpose Grease 

Bearings   NLGI Grade 2 Or 

  Equivalent 











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Door Hinges, All  Engine Oil 

Back Door   

Hinges   











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A/C  All  HFC-134a 

Refrigerant   











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Manual  All API Classification GL-4

Transmission   SAE 75W-85W Or 75W-90 











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Automatic  All  "ATF DEXRON II" Or 

Transmission   Equivalent 











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Brake Fluid  All  DOT 3 Or DOT 4 











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Rear Axle  All API Classification GL-5

  Or Higher (
2) 











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(
1) - SAE 5W-30 engine oil is preferred. SAE 10W-30 may be used if 

the Ambient Temperature is above 0\b F (-18\b C). 

(
2) - SAE90, 85W-90, 80W-90 may be used in temperatures above 

-10\b F (-23\b C). SAE 80W, 80W-90 may be used in temperatures 

from -30\b F (-34\b C) to -10\b F (-23\b C). SAE 75W may be used 

in temperatures below -30\b F (-34\b C). 










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 (3) - Or inspect every 2 years. 

(
4) - Or inspect every year. 

(
5) - Or change every 2 years. 

(
6) - Or lubricate grease every 2 years. 
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LUBRICATION SPECIFICATIONS 
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Material  Condition  Specification 
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Engine Oil  Ambient Temperature Less Than SAE 5W-30 

(
1)  0F (-18C) To 100F (38C)  

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Ambient Temperature Above 0F  SAE 10W-30 

 (-18C) To Over 100F (38C)  
\b
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Engine  All  50/50 Mixture Of 

Coolant   Distilled Water & 

  Ethylene Glycol 
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Manual  All API Classification GL-4

Transmission   SAE 75W-85W Or 75W-90 
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Automatic  All  "ATF DEXRON II" Or 

Transmission   Equivalent 
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Brake Fluid  All  DOT 3 Or DOT 4 
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Rear Axle  All API Classification GL-5

  Or Higher (
2) 
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Transfer Case All API Classification GL-4

  SAE 75W-85W Or 75W-90 
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(
1) - SAE 5W-30 engine oil is preferred. SAE 10W-30 may be used if 

the Ambient Temperature is above 0 F (-18 C). 

(
2) - SAE90, 85W-90, 80W-90 may be used in temperatures above 

-10 F (-23 C). SAE 80W, 80W-90 may be used in temperatures 

from -30 F (-34 C) to -10 F (-23 C). SAE 75W may be used 

in temperatures below -30 F (-34 C). 
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FLUID CAPACITIES 
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Item  Condition  Specification (1) 
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Engine Oil  Oil Pan  4.5 Qts. (4.3L) 

(
1) \b \
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 Oil Filter  0.32 Qts. (0.3L) 

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 Oil Cooler  0.32 Qts. (0.3L) 
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Engine  Drained; With Reserve Tank  10 Qts. (9.5L) 

Coolant   
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Automatic  Drained  8.9 Qts. (8.5L) 

Transmission   
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Manual  Drained  3.3 Qts. (3.2L) 

Transmission   
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Rear Axle  Drained  3.3 Qts. (3.2L) 
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Transfer Case Drained  2.6 Qts. (2.5L) 

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 Drive Shaft Boots (
4) 
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 Exhaust System (
3) 
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 Distributor Cap & Rotor (
7) 
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REPLACE 
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 Engine Oil (
1) 
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 Engine Oil Filter (
2) 
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 Engine Coolant 
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 Automatic Transmission Fluid 
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 Rear Axle Oil 
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 Spark Plugs 
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 Timing Belt (
9) 
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 Ignition Cables (
8) 
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 Air Cleaner Filter 
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(
1) - Change once a year or every 7,500 miles (12,000 KM). 

(
2) - If mileage is less than 7,500 miles (12,000 KM) each year, 

replace the oil filter at every oil change. 

(
3) - Or inspect every 2 years. 

(
4) - Or inspect every year. 

(
5) - Or change every 2 years. 

(
6) - Or lubricate grease every 2 years. 

(
7) - Or inspect every 5 years. 

(
8) - Or replace every 5 years. 

(
9) - For California & Massachusettes, this maintenance is 

recommended but not required. 
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LUBRICATION SPECIFICATIONS 
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Material  Condition  Specification 
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Engine Oil  Ambient Temperature Less Than SAE 5W-30 

(
1)  0F (-18C) To 100F (38C)  

\b
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Ambient Temperature Above 0F  SAE 10W-30 

 (-18C) To Over 100F (38C)  
\b
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Engine  All  50/50 Mixture Of 

Coolant   Distilled Water & 

  Ethylene Glycol 
\b
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Manual  All API Classification GL-4

Transmission   SAE 75W-85W Or 75W-90 
\b
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Automatic  All  "ATF DEXRON II" Or 

Transmission   Equivalent 
\b
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Brake Fluid  All  DOT 3 Or DOT 4 
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Rear Axle  All API Classification GL-5

  Or Higher (
2) 

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Engine  All  50/50 Mixture Of 

Coolant   Distilled Water & 

  Ethylene Glycol 
\b
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Manual  All API Classification GL-4

Transmission   SAE 75W-85W Or 75W-90 
\b
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Automatic  All  "ATF DEXRON II" Or 

Transmission   Equivalent 
\b
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Brake Fluid  All  DOT 3 Or DOT 4 
\b
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Rear Axle  All API Classification GL-5

  Or Higher (
2) 
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Transfer Case All API Classification GL-4

  SAE 75W-85W Or 75W-90 
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(
1) - SAE 5W-30 engine oil is preferred. SAE 10W-30 may be used if 

the Ambient Temperature is above 0 F (-18 C). 

(
2) - SAE90, 85W-90, 80W-90 may be used in temperatures above 

-10 F (-23 C). SAE 80W, 80W-90 may be used in temperatures 

from -30 F (-34 C) to -10 F (-23 C). SAE 75W may be used 

in temperatures below -30 F (-34 C). 
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FLUID CAPACITIES 
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Item  Condition  Specification (1) 
\b
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Engine Oil  Oil Pan  4.5 Qts. (4.3L) 

(
1) \b \
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 Oil Filter  0.32 Qts. (0.3L) 

\b
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 Oil Cooler  0.32 Qts. (0.3L) 
\b
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Engine  Drained; With Reserve Tank  10 Qts. (9.5L) 

Coolant   
\b
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Automatic  Drained  8.9 Qts. (8.5L) 

Transmission   
\b
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Manual  Drained  3.3 Qts. (3.2L) 

Transmission   
\b
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Rear Axle  Drained  3.3 Qts. (3.2L) 
\b
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Transfer Case Drained  2.6 Qts. (2.5L) 
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(
1) - Capacities are recommended or calculated levels. Always use 

dipstick to measure level. 
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97,500 MILE (156,000 KM) NORMAL SERVICE
97,500 MILE (156,000 KM) NORMAL SERVICE
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VERIFY 
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Last Major Service Was Performed 
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  Engine Coolant 
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 Automatic Transmission Fluid 
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 Rear Axle Oil 
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 Spark Plugs 
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 Timing Belt (
9) 
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 Ignition Cables (
8) 
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 Air Cleaner Filter 
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(
1) - Change once a year or every 7,500 miles (12,000 KM). 

(
2) - If mileage is less than 7,500 miles (12,000 KM) each year, 

replace the oil filter at every oil change. 

(
3) - Or inspect every 2 years. 

(
4) - Or inspect every year. 

(
5) - Or change every 2 years. 

(
6) - Or lubricate grease every 2 years. 

(
7) - Or inspect every 5 years. 

(
8) - Or replace every 5 years. 

(
9) - For California & Massachusettes, this maintenance is 

recommended but not required. 
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LUBRICATION SPECIFICATIONS 
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Material  Condition  Specification 
\b
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Engine Oil  Ambient Temperature Less Than SAE 5W-30 

(
1)  0F (-18C) To 100F (38C)  

\b
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\



Ambient Temperature Above 0F  SAE 10W-30 

 (-18C) To Over 100F (38C)  
\b
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Engine  All  50/50 Mixture Of 

Coolant   Distilled Water & 

  Ethylene Glycol 
\b
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Manual  All API Classification GL-4

Transmission   SAE 75W-85W Or 75W-90 
\b
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Automatic  All  "ATF DEXRON II" Or 

Transmission   Equivalent 
\b
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Brake Fluid  All  DOT 3 Or DOT 4 
\b
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Rear Axle  All API Classification GL-5

  Or Higher (
2) 
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Transfer Case All API Classification GL-4

  SAE 75W-85W Or 75W-90 
\b
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(
1) - SAE 5W-30 engine oil is preferred. SAE 10W-30 may be used if 

the Ambient Temperature is above 0 F (-18 C). 

(
2) - SAE90, 85W-90, 80W-90 may be used in temperatures above 

-10 F (-23 C). SAE 80W, 80W-90 may be used in temperatures 

from -30 F (-34 C) to -10 F (-23 C). SAE 75W may be used 

in temperatures below -30 F (-34 C). 
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FLUID CAPACITIES 
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 Front Wheel  All  Multipurpose Grease 

Bearings   NLGI Grade 2 Or 

  Equivalent 
\b
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Door Hinges, All  Engine Oil 

Back Door   

Hinges   
\b
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A/C  All  HFC-134a 

Refrigerant   
\b
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Manual  All API Classification GL-4

Transmission   SAE 75W-85W Or 75W-90 
\b
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Automatic  All  "ATF DEXRON II" Or 

Transmission   Equivalent 
\b
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Brake Fluid  All  DOT 3 Or DOT 4 
\b
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Rear Axle  All API Classification GL-5

  Or Higher (
2) 
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(
1) - SAE 5W-30 engine oil is preferred. SAE 10W-30 may be used if 

the Ambient Temperature is above 0 F (-18 C). 

(
2) - SAE90, 85W-90, 80W-90 may be used in temperatures above 

-10 F (-23 C). SAE 80W, 80W-90 may be used in temperatures 

from -30 F (-34 C) to -10 F (-23 C). SAE 75W may be used 

in temperatures below -30 F (-34 C). 
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FLUID CAPACITIES
FLUID CAPACITIES TABLE ( 1)
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Item  Condition  Specification 
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Engine Oil  Oil Pan  4.5 Qts. (4.3L) 

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1) \b \
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 Oil Filter  0.32 Qts. (0.3L) 

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 Oil Cooler  0.32 Qts. (0.3L) 
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Power  Drained  1.1 Qts. (1.0L) 

Steering   
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Automatic  Drained  8.9 Qts. (8.5L) 

Transmission   
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Manual  Drained  3.3 Qts. (3.2L) 

Transmission   
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Transfer Case Drained  2.6 Qts. (2.5L) 
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Front Axle  Drained  1.3 Qts. (1.2L) 
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Rear Axle  Drained  3.3 Qts. (3.2L) 
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A/C  Drained  27 oz (760 g) 

Refrigerant   
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Fuel Tank  Capacity  24 gal (92L)