1991 MITSUBISHI MONTERO turn signal
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AN TI- L O CK B RAK E S A FE TY P R EC AU TIO NS
1991 M it s u bis h i M onte ro
GENERAL INFORMATION
Anti-Lock Brake Safety Precautions
* PLEASE READ THIS FIRST *
This article is intended for general information purposes
only. This information may not apply to all makes and models. If
vehicle is equipped with Anti-Lock Brake System (ABS), refer to
appropriate ANTI-LOCK BRAKE SYSTEM article in the BRAKES section for
description, operation, depressurizing, testing, system bleeding,
trouble shooting and servicing of specific system.
WARNING: Failure to depressurize ABS could lead to physical injury.
ANTI-LOCK BRAKE SAFETY PRECAUTIONS
WARNING: Failure to depressurize ABS could lead to physical injury.
* NEVER open a bleeder valve or loosen a hydraulic line
while ABS is pressurized.
* NEVER disconnect or reconnect any electrical connectors
while ignition is on. Damage to ABS control unit may result.
* DO NOT attempt to bleed hyudarulic system without first
referring to the appropriate ANTI-LOCK BRAKE SYSTEM article
in the BRAKES section.
* Only use specially designed brake hoses/lines on ABS equipped
vehicles.
* DO NOT tap on speed sensor components (sensor, sensor rings).
Sensor rings must be pressed into hubs, NOT hammered into
hubs. Striking these components can cause demagnetization or
a loss of polarization, affecting the accuracy of the speed
signal returning to the ABS control unit.
* DO NOT mix tire sizes. Increasing the width, as long as tires
remain close to the original diameter, is acceptable. Rolling
diameter must be identical for all 4 tires. Some
manufacturers recommend tires of the same brand, style and
type. Failure to follow this precaution may cause inaccurate
wheel speed readings.
* DO NOT contaminate speed sensor components with grease. Only
use recommended coating, when system calls for an
anti-corrosion coating.
* When speed sensor components have been removed, ALWAYS check
sensor-to-ring air gaps when applicable. These specifications
can be found in each appropriate article.
* ONLY use rocommended brake fluids. DO NOT use silicone brake
fluids in an ABS equipped vehicle.
* When instlling transmittion devices (CB's, telephones, etc.)
on ABS equipped vehicles, DO NOT locate the antenna near the
ABS control unit (or any control unit).
* Disconnect all on-board computers, when using electric
welding equipment.
* DO NOT expose the ABS control unit to prolonged periods of
high heat (185
F/85 C for 2 hours is generally considered a
maximum limit).
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Seat Belt Warning Timer Behind left side of dash.
Sun Roof Control Relay In headliner, near dome light
bracket.
Turn Signal Flasher Relay Behind left side of dash. \
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CIRCUIT PROTECTION DEVICES
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1 - 20 Amp (Yellow)
Hazard Light, Dome Light, Clock
2 - 10 Amp (Red)
Taillights
3 - 10 Amp (Red)
Turn Signal Lights
4 - 10 Amp (Red)
Back-Up Lights, Gauges
5 - 15 Amp (Light Blue)
Defogger
6 - 20 Amp (Yellow)
Heater
7 - 15 Amp (Light Blue)
Stoplights
8 - 15 Amp (Light Blue)
Horn, Wiper, Washer
9 - 10 Amp (Red)
Rear Wiper, Rear Washer
10 - 15 Amp (Light Blue)
Cigarette Lighter, Radio
CAUTIONS & WARNINGS
RADIATOR FAN & CAP
DO NOT loosen or remove radiator cap when cooling system is
hot. The system is under high pressure, and hot steam or boiling
liquid could gush out if cap is loosened or removed while system is
hot.
BRAKE FLUID
Be careful when handling brake fluid as it is harmful to eyes
and may damage painted surfaces.
REPLACING BLOWN FUSE
Before replacing a blown fuse, remove ignition key, turn off
all lights and accessories to avoid damaging the electrical system. Be
sure to use fuse with the correct indicated amperage rating. The use
of an incorrect amperage rating fuse may result in a dangerous
electrical system overload.
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Torque Converter Clutch Solenoid/Switch ......... Engine Performance
Traction Control Switch ........................... Anti-Lock Brakes
Trailer Tow Connector .............................. Exterior Lights
Trailer Tow Relay .................................. Exterior Lights
Transmission/Transaxle .......................... Engine Performance
Transmission Control Module (TCM) ............... Engine Performance\
Starters
Transmission Range Sensor ................................. Starters
Back-Up Lights
Engine Performance
Transmission Range Switch ........................... Back-Up Lights
Engine Performance
Anti-Theft System
Turn Signal Flasher ................................ Exterior Lights
Turn Signal Lights ................................. Exterior Lights
Twilight Sentinel Switch ......................... Headlight Systems
Daytime Running Lights
Vapor Canister Leak Detection Pump .............. Engine Performance
Vehicle Control Module (VCM) .................... Engine Performance\
Vehicle Dynamic Module ....................... Electronic Suspension
Vehicle Speed Control Servo ................. Cruise Control Systems
Vehicle Speed Sensor .......................... Data Link Connectors
Analog Instrument Panels
Cruise Control Systems
Electronic Suspension
Voltage Regulator .......................... Generators & Regulators
Water-In-Fuel Sensor ............................ Engine Performance
Analog Instrument Panels
Wheel Speed Sensors ............................... Anti-Lock Brakes
Window Timer Module .......................... Power Convertible Top
Windshield Intermittent Wiper Relay ........... Wiper/Washer Systems
Windshield Washer Motor ....................... Wiper/Washer Systems
Wiper Motor ................................... Wiper/Washer Systems
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1 - 20 Amp (Yellow)
Hazard Light, Dome Light, Clock
2 - 10 Amp (Red)
Taillights
3 - 10 Amp (Red)
Turn Signal Lights
4 - 10 Amp (Red)
Back-Up Lights, Gauges
5 - 15 Amp (Light Blue)
Defogger
6 - 20 Amp (Yellow)
Heater
7 - 15 Amp (Light Blue)
Stoplights
8 - 15 Amp (Light Blue)
Horn, Wiper, Washer
9 - 10 Amp (Red)
Rear Wiper, Rear Washer
10 - 15 Amp (Light Blue)
Cigarette Lighter, Radio
FUSE PANEL IDENTIFICATION (1992-96)
Fig. 9: Fuse Panel Identification (1992-96)
Courtesy of Mitsubishi Motor Sales of America, Inc.
Fuse & Circuit Breaker Identification
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1 - 20 Amp
Not Used
2 - Not Used
10 Amp (1994-96)
ELC-4 A/T Control Module, Cruise Control Unit
3 - 10 Amp
Blower Motor Relay, Headlight Washer Relay, Defogger Relay,
Car Telephone (1992-93)
4 - 10 Amp
Radio Clock, Accessory Socket Relay,
Cruise Control Unit (1994-96), Data Link Connector (1994-96)\
5 - 15 Amp
Remote Controlled Mirror, Cigarette Lighter
Accessory Socket Relay (1992-93)
6 - 15 Amp
Door Lock Relay, Door Lock Control Unit (1994-96)
7 - 10 Amp
Overdrive Relay, Variable Shock Absorber Control Unit,
4WD Indicator Control Unit, ABS Power Relay (1992-93),
ABS Control Unit (1994-96), Combination Meter (1994-96)
8 - 10 Amp
Power Window Relay
9 - 15 Amp
Wiper, Washer, Sunroof
10 - 10 Amp
Horn, Cruise Control Unit (1992-93)
11 - 10 Amp
Combination Meter, Multi-meter, Motor Antenna Control Unit,
Buzzer Assembly
12 - 15 Amp
Turn Signal Light, Hazard Light, SRS Diagnosis Unit
13 - 10 Amp
Not Used
14 - 15 Amp
Accessory Socket
15 - Not Used
16 - 25 Amp
Blower Motor
17 - 15 Amp
Stoplight
18 - 10 Amp
Back-up Light, Rear Differential Lock Control Unit
19 - 10 Amp
Engine Control Module, Dome Light, Reading Light,
Cargo Light, Combination Meter, Clock, Door Lock Relay,
Cruise Control Unit, Car Telephone (1992-93)
ELC-4 A/T Control Module (1994-96), Ignition Key Illumination\
Light Timer (1994-96)
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threads damaged ........ A ... Require repair or replacement
of part with damaged threads.
Attaching hardware
threads stripped
(threads missing) ...... A ..... Require replacement of part
with stripped threads.
Dust boot missing ....... 2 ........ (1) Suggest replacement.
Dust boot split ......... 2 ........ ( 1) Suggest replacement.
Dust boot torn .......... 2 ........ ( 1) Suggest replacement.
Housing cracked ......... A ............ Require replacement.
Lead routing incorrect .. B .. Require rerouting according to
vehicle manufacturer's
specifications.
Loose ................... B ... Require adjustment to vehicle
manufacturer's specifications.
Missing ................. C ............ Require replacement.
Output signal incorrect . A .. Require repair or replacement.
Wire lead damaged ....... A .. Require repair or replacement.
( 1) - This condition can lead to damage of the sliding magnet,
which, in turn, causes premature sensor failure.
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AIR RIDE SUSPENSION - MODULES
AIR RIDE SUSPENSION - MODULE INSPECTION \
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Condition Code Procedure
Attaching hardware
loose .................. A ... Require repair or replacement
of loose part.
Attaching hardware
missing ................ C .. Require replacement of missing
part.
Attaching hardware
threads damaged ........ A ... Require repair or replacement
of part with damaged threads.
Attaching hardware
threads stripped
(threads missing) ...... A ..... Require replacement of part
with stripped threads.
Housing cracked ......... 2 .. Suggest repair or replacement.
Inoperative ............. A ............ Require replacement.
Missing ................. C ............ Require replacement.
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AIR RIDE SUSPENSION - RELAYS (COMPRESSOR)
AIR RIDE SUSPENSION - RELAY (COMPRESSOR) INSPECTION \
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Condition Code Procedure
Housing cracked ......... 2 ........ ( 1) Suggest replacement.
Intermittent ............ A ............ Require replacement.
Missing ................. C ............ Require replacement.
Output signal incorrect . A ............ Require replacement.
( 1) - If moisture enters the relay, it can reduce life
expectancy or impair function.
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AIR RIDE SUSPENSION - SWITCHES (ON/OFF)
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G - T E STS W /C O DES
1991 Mitsubishi Montero
1990-91 ENGINE PERFORMANCE
Chrysler Motors/Mitsubishi Self-Diagnostics
Dodge; Colt, Colt Vista, Colt Wagon
Eagle; Summit
Mitsubishi; Eclipse, Galant, Mirage, Montero, Precis (1990)
Plymouth; Colt, Colt Vista, Colt Wagon
INTRODUCTION
If no faults were found while performing F - BASIC TESTING,
proceed with self-diagnostics. If no fault codes or only pass codes
are present after entering self-diagnostics, proceed to H - TESTS W/O
CODES article for diagnosis by symptom (i.e. ROUGH IDLE, NO START,
etc.).
SELF-DIAGNOSTIC SYSTEM
Use Chrysler Motors code charts when using Chrysler's
Diagnostic Readout Box (DRB-II). If DRB-II is not available or if
working on a Mitsubishi Motors vehicle, system diagnosis can only be
accomplished using a voltmeter or appropriate scan tester. To diagnose
Chrysler Motors and Mitsubishi models using a voltmeter, see
ENTERING ON-BOARD DIAGNOSTICS (USING VOLTMETER) in this article.
SYSTEM DIAGNOSIS
SYSTEM DIAGNOSIS DESCRIPTION
NOTE: Chrysler Motors recommends using DRB-II to diagnose system.
Voltmeter usage has limited diagnostic capabilities but can
be used if DRB-II is not available or if working on a
Mitsubishi Motors vehicle.
The Engine Control Unit (ECU) monitors several different
engine control system circuits. If an abnormal input signal occurs, a
fault code is stored in ECU memory and given a fault code number. Each
circuit has its own fault number and message. A specific fault code
indicates a particular system failure, but it DOES NOT indicate that
cause of failure is necessarily within system. A fault code DOES NOT
condemn any specific component; it simply points out a probable
malfunctioning area. If a critical fault code is set, the ECU will
turn on CHECK ENGINE light. All fault codes except speed sensor are
considered critical.
Fault codes can be confirmed by using a voltmeter on Chrysler
Motors and Mitsubishi models or Chrysler's Diagnostic Readout Box
(DRB-II) on Chrysler Motors vehicles. See
ENTERING ON-BOARD DIAGNOSTICS (USING VOLTMETER) or ENTERING ON-BOARD
DIAGNOSTICS (USING DRB-II) in this article. By using the DRB-II, the
self-diagnostic capabilities of this system can simplify testing and
reduce diagnostic time.
System malfunctions encountered are identified as either hard
failures or intermittent failures as determined by the ECU.
HARD FAILURES
Hard failures cause CHECK ENGINE light to illuminate and
remain on until the malfunction is repaired. If light comes on and