Mitsubishi Montero (1991+). Manual — part 155

HOW TO USE SYSTEM WIRING DIAGRAMS

1991 Mitsubishi Montero

GENERAL INFORMATION

Using Wiring Diagrams

All Models

INTRODUCTION

This CD obtains wiring diagrams and technical service

bulletins, containing wiring diagram changes from the domestic and

import manufacturers. These are checked for accuracy and are all

redrawn into a consistent format for easy use.

In the past, when cars were simpler, diagrams were simpler.

All components were connected by wires and diagrams seldom exceeded 4

pages in length. Today, some wiring diagrams require more than 16

pages. It would be impractical to expect a service technician to trace

a wire from page 1 across every page to page 16.

Removing some of the wiring maze reduces eyestrain and time

wasted searching across several pages. Today the majority of these

diagrams follow a much improved format, which permits space for

internal switch details.

Wiring diagrams are drawn in a "top-down" format. The

diagrams are drawn with the power source at the top of the diagram and

the ground point at the bottom of the diagram. Components locations

are identified on the wiring diagrams. Any wires that don’t connect

directly to a component are identified on the diagram to indicate

where they go.

COLOR ABBREVIATIONS

COLOR ABBREVIATIONS TABLE

Color Normal Optional

Black . . . . BLK . . . . . . .. BK

Blue . . . . . BLU . . . . . . .. BU

Brown . . . . BRN . . . . . . .. BN

Clear . . . . CLR . . . . . . .. CR

Dark Blue . . .. DK BLU . . . . . .. DK BU

Dark Green . . . DK GRN . . . . . .. DK GN

Green . . . . GRN . . . . . . .. GN

Gray . . . . . GRY . . . . . . .. GY

Light Blue . . . LT BLU . . . . . .. LT BU

Light Green . . LT GRN . . . . . .. LT GN

Orange . . . ... ORG . . . . . . .. OG

Pink . . . . . PNK . . . . . . .. PK

Purple . . . ... PPL . . . . . . .. PL

Red . . . . .. RED . . . . . . .. RD

Tan . . . . .. TAN . . . . . . .. TN

Violet . . . ... VIO . . . . . . .. VI

White . . . . WHT . . . . . . .. WT

Yellow . . . ... YEL . . . . . . .. YL

IDENTIFYING WIRING DIAGRAM ABBREVIATIONS

NOTE: Abbreviations used on these diagrams are normally

self-explanatory. If necessary see ABBREVIATIONS

article in GENERAL INFORMATION.

IDENTIFYING WIRING DIAGRAM SYMBOLS

NOTE: Standard wiring symbol are used in these diagrams. The

illustration below will help clarify any symbols that are

not easily understood at a glance. Most components are

labeled "Motor", "Switch" or "Relay" in addition to being

drawn with the standard symbol.

Fig. 1: Identifying Wiring Diagram Symbols

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

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

Brake On/Off (BOO) Switch . . . . ... Cruise Control Systems

Engine Performance

Shift Interlock Systems

Buzzer Module . . . . . . . . . .. Warning Systems

Camshaft Position (CMP) Sensor . . . . .. Engine Performance

Central Control Module . . . . . . ... Anti-Theft System

Clockspring . . . . . . . ... Air Bag Restraint System

Cruise Control Systems

Steering Column Switches

Clutch Pedal Position Switch . . . . . . . .. Starters

Clutch Start Switch . . . . . . . . . ... Starters

Combination Meter . . . . . . . Analog Instrument Panels

Constant Control Relay Module (CCRM) . . . Engine Performance

Electric Cooling Fans

Convenience Center . . . . . . . .. Power Distribution

Illumination/Interior Lights

Convertible Top Motor . . . . . . Power Convertible Top

Convertible Top Switch . . . . . ... Power Convertible Top

Crankshaft Position (CKP) Sensor . . . . Engine Performance

Cruise Control Module . . . . . ... Cruise Control Systems

Cruise Control Switch . . . . . ... Cruise Control Systems

Condenser Fan Relay(s) . . . . . ... Electric Cooling Fans

Data Link Connector (DLC) . . . . . ... Engine Performance

Daytime Running Lights Module . . . ... Daytime Running Lights

Exterior Lights

Defogger Relay . . . . . . . . Rear Window Defogger

Diagnostic Energy Reserve Module (DERM) ... Air Bag Restraint System

Discriminating Sensor (Air Bag) . . ... Air Bag Restraint System

Distributor . . . . . . . . . . Engine Performance

Door Lock Actuators . . . . . . . ... Power Door Locks

Remote Keyless Entry

Door Lock Relay(s) . . . . . . . . Power Door Locks

Electrochromic Mirror . . . . . . . . Power Mirrors

Electronic Level Control (ELC)

Height Sensor . . . . . . . .. Electronic Suspension

Electronic Level Control (ELC) Module . . Electronic Suspension

Engine Coolant Temperature (ECT)

Sending Unit . . . . . . . Analog Instrument Panels

Engine Coolant Temperature (ECT) Sensor . . . Engine Performance

Engine Control Module . . . . . . ... Engine Performance

Generators & Regulators

Starters

ETACS ECU . . . . . . . . . . .. Warning Systems

Power Windows

Remote Keyless Entry

Evaporative (EVAP) Emissions Canister . . ... Engine Performance

EVAP Canister Purge Solenoid . . . . . Engine Performance

EVAP Canister Vent Solenoid . . . . . . Engine Performance

Exhaust Gas Recirculation (EGR) Valve . . ... Engine Performance

Fuel Tank Vacuum Sensor . . . . . . . Engine Performance

Fog Lights . . . . . . . . . ... Headlight Systems

Daytime Running Lights

Fog Light Relay . . . . . . . . .. Headlight Systems

Daytime Running Lights

Fuel Door Release Solenoid . . . . . Power Fuel Door Release

Fuel Gauge Sending Unit . . . . ... Analog Instrument Panels

Fuel Injectors . . . . . . . . .. Engine Performance

Fuel Pump . . . . . . . . . ... Engine Performance

Fuel Pump Relay . . . . . . . . . Engine Performance

Power Distribution

Fuse/Relay Block . . . . . . . . Power Distribution

Fusible Links . . . . . . . . ... Power Distribution

Generators & Regulators