1998 MITSUBISHI MONTERO headlight










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g grams 

GND or GRND Ground 

GRN Green 

GRY Gray 

Ga. Gauge 

Gals. gallons 

Gov. Governor 











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"H" ABBREVIATION TABLE
"H" ABBREVIATION TABLE







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ABBREVIATION DEFINITION 










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H/D Heavy Duty 

HAC High Altitude Compensation 

HC Hydrocarbons 

HEDF High Speed Electro Drive Fan relay or circuit 

HEGO Heated Exhaust Gas Oxygen Sensor 

HEGOG HEGO Ground circuit 

HEI High Energy Ignition 

HLDT Headlight 

HO High Output 

HP High Performance 

HSC High Swirl Combustion 

HSO High Specific Output 

HTR Heater 

HVAC Heating 

Headlt. Headlight 

Hg Mercury 

Hgt. Height 

Htr. Heater 

Hz Hertz (Cycles Per Second) 











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"I" ABBREVIATION TABLE
"I" ABBREVIATION TABLE







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ABBREVIATION DEFINITION 










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I.D. Inside Diameter 

IAC Idle Air Control 

IACV Idle Air Control Valve 

IC Integrated Circuit 

ID Identification 

IDM Ignition Diagnostic Monitor 

IGN Ignition system or circuit 

ILC Idle Load Compensator 

In. Hg Inches of Mercury 

INCH Lbs. Inch Pounds 

INFL REST Inflatable Restraint 

INJ Injector or Injection 

IP Instrument Panel 

IPC Instrument Panel Cluster 

ISA Idle Speed Actuator 

ISC Idle Speed Control 

ISS Idle Stop Solenoid 

ITS Idle Tracking Switch 

IVSV Idle Vacuum Switching Valve 

Headlight Relay In engine compartment
relay box.
Headlight Washer Relay On bracket, behind left side
of dash.
Horn Relay Left front of engine
compartment.
Ignition Key Hole Illumination Light
Timer Behind center console.
Intermittent Wiper Relay (Rear Wiper) In passenger compartment
relay box.
Intermittent Wiper Relay (Windshield
Wiper) Built-in to steering column
switch.
Power Window Relay In passenger compartment
relay box.
Starter Relay Behind center console.

Door Lock Control Unit Behind left side of dash.
ELC 4-Speed Automatic Transmission
Control Module Behind left side of dash.
Engine Control Module (ECM) Behind right kick panel.
Keyless Entry Control Unit Behind right side quarter
panel.
Rear Differential Lock Control Unit Mounted on top of left rear
wheelwell.
SRS Air Bag Control Unit Behind center of dash.
Sun Roof Control Unit On center of roof, behind
sun roof.
Variable Shock Absorber Control Unit Behind left rear wheelwell,
behind quarter panel.
4WD Indicator Control Unit Behind center of dash.









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MOTORS









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Component Component Location








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Blower Motor Behind right side of dash.
Condenser Fan Motor On left front of engine
compartment.
Fuel Pump In fuel tank.
Headlight Washer Motor Right side of engine
compartment, in washer fluid
reservoir.
Idle Air Control Motor On throttle body.
Motor Antenna Rear of right front wheelwell.
Rear Differential Lock Air Pump On left rear of vehicle.
Rear Washer Motor In rear of cargo area.
Rear Wiper Motor On center of tailgate.
Sun Roof Motor On center of roof, behind
sun roof.
Windshield Washer Motor Bottom of windshield washer
reservoir.
Windshield Wiper Motor On left side of firewall.









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SENDING UNITS & SENSORS

* ELECTRICAL SYSTEM UNIFORM INSPECTION GUIDELINES *
1998 Mitsubishi Montero
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

GENERATORS
See ALTERNATORS AND GENERATORS .
GROUND CABLES AND STRAPS
GROUND CABLE AND STRAP 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.
Corroded, affecting
performance ............ A .. Require repair or replacement.
Corroded, not affecting
performance ............ 2 .. Suggest repair or replacement.
Insulation damaged,
exposing conductors .... 2 ............ Suggest replacement.
Loose ................... A ................. Require repair.
Missing ................. C ............ Require replacement.
Open .................... A .. Require repair or replacement.
Resistance high ......... A .. Require repair or replacement.
Terminal resistance
(voltage drop) is out of
specification .......... B .. Require repair or replacement.
Voltage drop out of
specification .......... B .. Require repair or replacement.









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GROUND STRAPS
See GROUND CABLES AND STRAPS .
HEADLIGHT ADJUSTERS
HEADLIGHT ADJUSTER 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.
Bent, preventing
adjustment ............. A .. Require repair or replacement.
Broken .................. A .. Require repair or replacement.
Indicator broken ........ A ............ Require replacement.
Indicator missing ....... C ............ Require replacement.
Missing ................. C .......... Require replacement of

special patterns probe to VAF sensor connector terminal No. 3 or to
PCM connector terminal No. 61.
2) Start engine. Verify waveform high frequency and low
frequency patterns are of about the same length (time). Verify
wavelength decreases and frequency increases as engine RPM increases.
If conditions are not as specified, replace VAF sensor. If conditions
are as specified, go to step 4).
3) Warm vehicle to normal operating temperature. Ensure
headlights and accessories are off. Using scan tool, read VAF sensor
frequency value (item 12). See VOLUME AIRFLOW SENSOR VALUES table.
Frequency should increase when engine is raced. If values are not as
specified, replace VAF sensor. If values are as specified, turn
ignition switch to off position and disconnect VAF sensor connector.
Go to next step.
VOLUME AIRFLOW SENSOR VALUES TABLE









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Application Hz @ 700 RPM Hz @ 2500 RPM
Montero ................. 25-51 ................. 80-120
3000GT
DOHC
Non-Turbo ........... 24-50 ................. 71-111
Turbo ............... 26-52 ................. 93-133
SOHC .................. 21-47 .................. 57-97









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4) On 3000GT, go to next step. On Montero, disconnect MFI
relay connector. Using DVOM, check for continuity between VAF sensor
connector terminal No. 4 and MFI relay connector terminal No. 1. If
continuity does not exist, repair wiring harness as necessary. If
continuity exists, go to next step.
5) Using DVOM, check for continuity between chassis ground
and VAF sensor connector terminal No. 5. If continuity does not exist,
repair wiring harness as necessary. If continuity exists, go to next
step.
6) Ensure ignition switch is in OFF position. Disconnect PCM
connector. Ground PCM connector terminal No. 19. Using DVOM, check for
continuity between chassis ground and VAF sensor connector terminal
No. 7. If continuity does not exist, repair wiring harness as
necessary. If continuity exists, go to next step.
7) On 3000GT, go to next step. On Montero, ground PCM
connector terminal No. 61. Using DVOM, check for continuity between
chassis ground and VAF sensor connector terminal No. 3. If continuity
does not exist, repair wiring harness as necessary. If continuity
exists, turn ignition switch to ON position and go to step 9).
8) Turn ignition switch to ON position. Using DVOM, check
voltage between chassis ground and VAF sensor connector terminal No.
4. If battery voltage does not exist, repair wiring harness as
necessary. If battery voltage exists, go to next step.
9) Using DVOM, check voltage between chassis ground and VAF
sensor connector terminal No. 3. If voltage is not 4.8-5.2 volts,
replace PCM. If voltage is as specified, condition required to set DTC
is not present at this time. Go to next step.
10) Test is complete. Intermittent problem may exist. Road
test vehicle (if necessary) and attempt to duplicate conditions that
caused original complaint. Recheck for DTCs. If no DTCs are displayed,
go to INTERMITTENT DTCS .
DTC P0105: BAROMETRIC (BARO) PRESSURE SENSOR CIRCUIT FAILURE
NOTE: BARO pressure sensor is built into Volume Airflow (VAF)
sensor. For DTC P0105 test purposes, VAF sensor will be

GENERATOR OUTPUT TEST
NOTE: A slightly discharged battery should be used, as a fully
charged battery may not allow full generator output.
1) Turn ignition off. Disconnect negative battery cable.
Disconnect generator output wire from terminal "B". Connect positive
lead of 100-amp ammeter to terminal "B" and negative lead to
disconnected output lead.
CAUTION: Tighten each connection securely, as heavy current flow will
exist. DO NOT use clips on ammeter. An inductive-type
ammeter is recommended.
2) Connect positive voltmeter lead (0-20 volts) to generator\
terminal "B" and negative lead to ground. Install a tachometer and
reconnect negative battery cable.
3) Ensure voltmeter indicates battery voltage. If voltage is
not present, check for open circuit in wire between generator terminal
"B" and positive battery terminal. Check grounds and fusible link.
4) Start engine and turn headlights on. Set headlights at
high beam and heater blower switch on HIGH. Increase engine speed to
2500 RPM and note generator output current on ammeter. Minimum output
should be within specification. See
GENERATOR MINIMUM OUTPUT SPECIFICATIONS table.
NOTE: Output voltage changes with electrical load and temperature.
Ensure proper electrical load is applied while checking
output. Nominal output may not be obtained if generator or
ambient temperature is excessive. Allow generator or
temperature to cool, and recheck output. Generator output is
stamped on metal plate attached to generator case.
5) If minimum output is not obtained and generator wiring is
okay, repair generator. Operate engine at idle speed after the test.
GENERATOR MINIMUM OUTPUT SPECIFICATIONS TABLE









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Application Amps
Diamante ............................................. 110
Eclipse
2.0L Non-Turbo ...................................... 90
2.0L Turbo .......................................... 75
2.4L ................................................ 90
Galant ................................................ 90
Mirage ................................................ 80
Montero .............................................. 100
Montero Sport
2.4L ................................................ 60
3.0L ................................................ 85
3000GT
DOHC ............................................... 110
SOHC ................................................ 90









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REGULATED VOLTAGE TEST
NOTE: Ensure battery is fully charged and proper drive belt
tension exists.
1) Turn ignition switch off. Disconnect negative battery
cable. Connect positive voltmeter lead to terminal "S" of generator.

WIRING DIAGRAM COMPONENT LOCATIONS
When trying to locate a component in a wiring diagram and you
don't know the specific system where it is located, use this handy
component locator to find the system wiring diagram in which the
component is located. Then, go to that system and locate the component
within the wiring diagram.
For example, if you don't know the specific system in which
the ignition switch is located, look up ignition switch in the wiring
diagram component location tables and go to the appropriate wiring
diagram(s) which contain either full or partial views of the ignition
switch. The full view of the ignition switch is located in Power
Distribution.
The first listing for the component will be the full or most
complete view of the component. Additional listings will be partial
views of the component. Not all components are used on all models.
All components will have a partial view in Ground
Distribution and Power Distribution. Data Link Connectors show
connecting circuits between modules. Alternate names for components
may be listed in wiring diagram component locations tables.
WIRING DIAGRAM COMPONENT LOCATIONS TABLE









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Component Wiring Diagram
ABS Electronic Control Unit ....................... Anti-Lock Brakes
Data Link Connectors
ABS Hydraulic Unit ................................ Anti-Lock Brakes
Acceleration Sensor ............................... Anti-Lock Brakes
Accessory Delay Relay ................................ Power Windows
A/C Compressor Clutch Relay ..................... Engine Performance
A/C Sensor ...................................... Engine Performance
A/C Pressure Switch ............................. Engine Performance
Adaptive Lamp Control Module ....................... Exterior Lights
Air Bag(s) ................................ Air Bag Restraint System\
Air Bag Module ............................ Air Bag Restraint System
Air Bag Sensor(s) ......................... Air Bag Restraint System\
Air Injection Pump Relay ........................ Engine Performance
Air Temperature Sensor ............................ Overhead Console
Alternator (Generator) ..................... Generators & Regulators\
Anti-Theft Control Module ........................ Anti-Theft System
Starters
Autolamp Control Relay ........................... Headlight Systems
Daytime Running Lights
Automatic Shutdown (ASD) Relay .................. Engine Performance\
Generators & Regulators
Autostick Switch ................................ Engine Performance
Auxiliary Battery Relay .................... Generators & Regulators
Back-Up Lights ...................................... Back-Up Lights
Exterior Lights
Barometric (BARO) Pressure Sensor ............... Engine Performance\
Battery ......................................... Power Distribution
Battery Temperature Sensor ...................... Engine Performance
Body Control Module .......................... Body Control Computer
Anti-Theft System
Daytime Running Lights
Engine Performance
Headlight Systems
Warning Systems
Boost Control Solenoid .......................... Engine Performance
Boost Sensor .................................... Engine Performance
Brake Fluid Level Switch .................. Analog Instrument Panels