1991 MITSUBISHI MONTERO relay
[x] Cancel search: relayPage 147 of 1333
ALTE R NATO R & R EG ULA TO R
1991 M it s u bis h i M onte ro
1991 ELECTRICAL
Alternators & Regulators
Colt, Colt Vista, Colt 200, Ram-50, Stealth, Summit;
Eclipse, Galant, Mirage, Montero, Pickup, Precis, 3000GT
DESCRIPTION
Mitsubishi alternators are conventional 3-phase, self-
rectifying type units containing 6 diodes (3 positive and 3 negative)
which are used to rectify current. All models use a case-mounted
Integrated Circuit (IC) voltage regulator.
Alternator relay or resistor with diode is used to ensure
charging of battery even if charging indicator light is defective. See
Figs. 1 -9.
Fig. 1: Charging System Wiring Schematic (Colt, Mirage & Summit)
Courtesy of Mitsubishi Motor Sales of America.
Page 165 of 1333
pump. If fuel pressure drops slowly, fuel injector is leaking or fuel
pressure regulator valve seat is leaking. Check for faulty fuel
injector or fuel pressure regulator. Repair as required.
11) When fuel pressure test is complete, repeat fuel pressure
release procedure in steps 1) and 2) before disconnecting fuel
pressure gauge. Install new "O" ring at end of high pressure hose.
Check for fuel leaks.
FUEL PUMP TEST TERMINAL LOCATION TABLE
\
\
\
\
\
\
\
Application Wire Color Location
Colt, Colt 200 ......... BLK/WHT .............. Center Of Firewall
Colt Vista ............. BLK/WHT ........ Right Center Of Firewall
Eclipse ................ BLK/WHT .......... Rear Of Battery Compt.
Galant ................. YEL/GRN ........... Left Rear Eng. Compt.
Mirage 1.5L ............ BLK/WHT .............. Center Of Firewall
Mirage 1.6L ............ BLK/BLU .............. Center Of Firewall
Montero .................. WHT .......... Right Center Of Firewall
Pickup ................. BLK/BLU ....... Right Side Of Eng. Compt.
Precis ................... YEL ............. Left Rear Eng. Compt.
Summit ................. BLK/WHT .............. Center Of Firewall
Ram-50 ................. BLK/BLU ....... Right Side Of Eng. Compt.
Stealth, 3000GT ........ BLK/BLU .......... Rear Of Battery Compt.
\
\
\
\
\
\
\
REGULATED FUEL PRESSURE TABLE \
\
\
\
\
\
\
At Idle At Idle
w/Vacuum w/o Vacuum
Application psi (kg/cm
) psi (kg/cm)
Non-Turbo .................. 38 (2.7) ....... 47-50 (3.3-3.5)
Turbo
Except Eclipse A/T ....... 27 (1.9) ....... 36-38 (2.5-2.7)
Eclipse A/T .............. 33 (2.3) ....... 36-38 (2.9-3.2)
\
\
\
\
\
\
\
Control Relay
Multipurpose relay switches power to vehicle sensors and
actuators including airflow sensor, crank angle sensor, idle speed
control, injectors and fuel pump. When ignition switch is turned to ON
position, ECU energizes coils controlling injectors, airflow sensor
and idle speed control. When ignition switch is turned to START
position, ECU energizes coils (through inhibitor switch on A/T models)\
to supply power to fuel pump. Relay failure will cause a no-start
condition. For testing procedure, see SYSTEM & COMPONENT TESTING
article.
IGNITION CHECKS
SPARK
Check for spark at coil wire (if applicable) and at each
spark plug wire using a high output spark tester. Check spark plug
wire resistance on suspect wires. For wire resistance specification,
see C - SPECIFICATIONS article in the ENGINE PERFORMANCE Section.
CRANK ANGLE SENSOR
For crank angle sensor testing procedure on all models except
Ram-50, Stealth, Eclipse, Laser, Pickup and 3000GT, see TEST NS-5:
Page 174 of 1333
\003* B RAK E S YSTE M U NIF O RM IN SPEC TIO N G UID ELIN ES *
1 991 M it s u bis h i M onte ro
GENERAL INFORMATION
Brake Systems - Motorist Assurance Program
Standards For Automotive Repair
All Makes & Models
CONTENTS
OVERVIEW OF MOTORIST ASSURANCE PROGRAM
OVERVIEW OF SERVICE REQUIREMENTS AND SUGGESTIONS
ACCELEROMETERS (G SENSOR OR LATERAL)
ACCUMULATORS
ANCHOR PINS
ANTI-LOCK BRAKE SYSTEMS
BACKING PLATES
BRAKE FLUID
BRAKE FRICTION MATERIAL
BRAKE PADS
BRAKE PEDALS
BRAKE SHOES
BRAKE SHOE HARDWARE
BRAKE STOPLIGHT SWITCHES
BULB SOCKETS
BULBS AND LEDS
CALIPER HARDWARE
CALIPERS
CONTROLLERS
DIGITAL RATIO AXLE CONTROLLERS AND BUFFERS (DRAC AND DRAB)
DISABLE SWITCHES
DRUMS
ELECTRICAL PUMPS AND MOTORS
ELECTRONIC CONTROLLERS
FLUID
FLUID LEVEL SENSOR SWITCHES
FOUR WHEEL DRIVE SWITCHES
FRICTION MATERIAL
G SENSORS
HOSES
HYDRAULIC MODULATORS
HYDRO-BOOSTERS
HYDRO-ELECTRIC BOOSTERS (POWERMASTER)
IGNITION DISABLE SWITCHES
LATERAL ACCELERATION SWITCHES
LEDS
LENSES
MASTER CYLINDERS
MODULATORS
MOTORS
PARKING BRAKE SWITCHES
PARKING BRAKE SYSTEMS
PADS
PEDAL TRAVEL SWITCHES
PEDALS
POWERMASTER
PUMPS
PRESSURE DIFFERENTIAL SWITCHES
PRESSURE SWITCHES
RELAYS
ROTORS
SELF-ADJUSTING SYSTEMS
Page 195 of 1333
missing ................ C .. Require replacement of missing
parts.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
(1) - Inoperative includes intermittent operation.
\
\
\
\
\
\
\
PADS
See FRICTION MATERIAL .
PEDAL TRAVEL SWITCHES
See SWITCHES.
PEDALS
See BRAKE PEDALS.
POWERMASTER
See HYDRO-BOOSTERS .
PUMPS
See ELECTRICAL PUMPS AND MOTORS .
PRESSURE DIFFERENTIAL SWITCHES
See SWITCHES.
PRESSURE SWITCHES
See SWITCHES.
RELAYS
NOTE: Copied from Electrical UIGs
RELAY INSPECTION
\
\
\
\
\
\
\
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.
Housing broken .......... A ............ Require replacement.
Housing cracked ......... 2 ............ Suggest replacement.
Inoperative ( 1) ......... A ............ Require replacement.
Missing ................. C ............ Require replacement.
Terminal broken ......... A .. Require repair or replacement.
Terminal burned,
affecting performance .. A ........... ( 2) Require repair or
replacement.
Page 254 of 1333
using ohmmeter. Continuity should be present between terminals No. 1
and 4, and terminals No. 5 and 6. Turn defogger switch to ON position.
Continuity should exist between terminals No. 3 and 2, 5 and 6, and 1
and 4. See Fig. 1.
Montero
Turn defogger switch to OFF position. Check switch continuity
using ohmmeter. Continuity should be present between terminals No. 5
and 6, and terminals No. 1 and 2. Turn defogger switch to ON position.
Continuity should exist between terminals No. 3 and 4, 5 and 6, and 1
and 2. See Fig. 1.
Stealth & 3000GT
Remove defogger switch assembly from instrument cluster
bezel. With defogger switch in OFF position, check switch continuity
using ohmmeter. Continuity should exist between terminals No. 3 and 4.
With defogger switch in ON position, continuity should exist between
terminals No. 1 and 2, 1 and 6, and 3 and 4. See Fig. 1.
Fig. 1: Identifying Defogger Switch Terminals
Courtesy of Chrysler Motors.
DEFOGGER RELAY TEST
Page 255 of 1333
Colt, Colt 200, Mirage & Summit
Remove defogger relay located to the right of fuse block.
Ground relay terminal No. 4, and apply battery voltage to terminal No.
2. Check relay continuity using ohmmeter. Continuity should exist
between terminals No. 1 and 3. With voltage disconnected, continuity
should not be present between terminals No. 1 and 3. Ensure continuity
is present between terminals No. 2 and 4. See Fig. 2.
Colt Vista, Eclipse, Stealth & 3000GT
Remove defogger relay located on left center of firewall.
Ground relay terminal No. 4, and apply battery voltage to relay
terminal No. 3. Check relay continuity using ohmmeter. Ensure
continuity exists between terminals No. 1 and 2. With voltage
disconnected, continuity should not exist between terminals No. 1 and
2. Continuity should exist between terminals No. 3 and 4. See Fig. 2.
Galant
Remove defogger relay located in right front corner of engine
compartment. Ground relay terminal No. 1, and apply battery voltage to
terminal No. 3. Check relay continuity using ohmmeter. Continuity
should exist between terminals No. 4 and 5. See Fig. 2. With voltage
disconnected, continuity should not exist between terminals No. 4 and
5. Ensure continuity exists between terminals No. 1 and 3. See Fig. 2.
Fig. 2: Identifying Defogger Relay Terminals
Courtesy of Chrysler Motors.
DEFOGGER TIMER TEST
Page 256 of 1333
Colt, Colt 200, Mirage & Summit
Remove defogger timer from junction block under left side of
instrument panel. Connect a battery and test light to defogger timer
terminals. See Fig. 3. Apply battery voltage to terminal No. 7 for 5-7
seconds. Ensure test light illuminates for approximately 10 seconds.
Reapply battery voltage to terminal No. 7. Test light should go off
when voltage is applied again.
Colt Vista
With ignition switch in ON position, apply battery voltage to
terminal No. 2 of defogger timer. Timer should operate for
approximately 11 seconds then stop. See Fig. 3.
Eclipse & Galant
Remove defogger timer from interior relay block. Connect
battery voltage and test light to timer. See Fig. 3. Ensure test light
illuminates for approximately 11 seconds when battery voltage is
applied to terminal No. 4. Reapply battery voltage to terminal No. 4
and observe test light. Test light should go off.
Fig. 3: Identifying Defogger Timer Terminals
Courtesy of Chrysler Motors.
GRID TEST
1) Start engine and operate at 2000 RPM. Ensure battery is
fully charged. Turn defogger switch to ON position. Using a voltmeter,
check voltage at center section of each grid wire. If voltage is
approximately 6 volts, grid wire is okay. If voltage is approximately
12 volts, an open is present in the negative circuit. Move probe
slowly toward the negative terminal to determine location of open
circuit.
2) If voltage is zero volt, an open is present in the
positive circuit. Move probe slowly toward the positive terminal to
Page 332 of 1333
ELE C TR IC AL C O M PO NEN T L O CATO R
1991 M it s u bis h i M onte ro
1991 CHRYSLER MOTORS & MITSUBISHI
ELECTRICAL COMPONENTS
Montero
BUZZERS, RELAYS & TIMERS
\
\
\
\
\
\
\
Component Component Location \
\
\
\
\
\
\
A/C Relay Behind right side of dash, on
evaporator case.
A/C Power Relay On left front inner fender
panel.