1998 MITSUBISHI MONTERO relay

Terminal corroded,
affecting performance .. A .. Require repair or replacement.
Terminal corroded, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
Wire lead burned ........ A .. Require repair or replacement.
Wire lead conductors
exposed ................ B .. Require repair or replacement.
Wire lead open .......... A .. Require repair or replacement.
Wire lead shorted ....... A .. Require repair or replacement.
(1) - Determine cause and correct prior to repair or
replacement of part.
( 2) - Malfunctioning includes inoperative, intermittent
operation, or failure to perform all functions.
( 3) - Make sure poor sound quality is not caused by
ignition/charging system or other forms of electrical
interference.









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RELAY BOXES
RELAY BOX 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.
Broken, affecting
performance ............ A ............ Require replacement.
Broken, not affecting
performance ............ .. ........ No service suggested or
required.
Burned, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Burned, not affecting
performance ............ 2 ........... ( 1) Suggest repair or
replacement.
Connector broken ........ A .. Require repair or replacement.
Connector (Weatherpack
type) leaking .......... A .. Require repair or replacement.
Connector melted ........ A ........... ( 1) Require repair or
replacement.
Connector missing ....... C ............ Require replacement.
Cover missing ........... C ... Require replacement of cover.
Cracked, affecting
performance ............ A .. Require repair or replacement.
Cracked, not affecting
performance ............ 1 .. Suggest repair or replacement.
Melted, affecting
performance ............ A ........ ( 1) Require replacement.
Melted, not affecting

performance ............ 2 ........ (1) Suggest replacement.
Terminal broken ......... A .. Require repair or replacement.
Terminal burned, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Terminal burned, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal corroded,
affecting performance .. A .. Require repair or replacement.
Terminal corroded, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
( 1) - Determine cause and correct prior to repair or
replacement of part.









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RELAYS
RELAY 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.
Housing broken .......... A ........... Require replacement.
Housing cracked ......... 2 ........... Suggest replacement.
Inoperative ............. A ........ ( 1) Require replacement.
Missing ................. C ........... Require replacement.
Terminal broken ......... A .. Require repair or replacement.
Terminal burned, affecting
performance ............ A ........... ( 2) Require repair or
replacement.
Terminal burned, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal corroded,
affecting performance .. A .. Require repair or replacement.
Terminal corroded, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
( 1) - Inoperative includes intermittent operation or out of OEM
specification.
( 2) - Determine cause and correct prior to repair or
replacement of part.









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SEALED BEAMS
See BULBS, SEALED BEAMS AND LEDS .

See HORNS AND SIRENS .
SOLENOIDS
See ACTUATOR MOTORS (SOLENOIDS) (ELECTRIC) .
NOTE: For starter solenoids that are integral to the starter
assembly, see STARTERS.
NOTE: For starter relays, see RELAYS.
SPEAKERS AND MICROPHONES
SPEAKER AND MICROPHONE INSPECTION








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Condition Code Procedure
Application incorrect ... A ............ Require replacement.
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.
Connector broken ........ A .. Require repair or replacement.
Connector (Weatherpack
type) leaking .......... A .. Require repair or replacement.
Connector melted ........ A ........... ( 1) Require repair or
replacement.
Connector missing ....... C ............ Require replacement.
Inoperative ............. B ........... ( 2) Require repair or
replacement. Further
inspection required.
Membrane torn ........... A ............ Require replacement.
Missing ................. C ............ Require replacement.
Polarity reversed ....... A ................. Require repair.
Sound quality poor ...... A ........... ( 3) Require repair or
replacement. Further
inspection required.
Terminal broken ......... A .. Require repair or replacement.
Terminal burned, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Terminal burned, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal corroded,
affecting performance .. A .. Require repair or replacement.
Terminal corroded, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
( 1) - Determine cause and correct prior to repair or
replacement of part.
( 2) - Inoperative includes intermittent operation or out of
OEM specification.
( 3) - Make sure poor sound quality is not caused by
ignition/charging system or other forms of electrical

CLUTCH PEDAL POSITION SWITCHES
COLD START INJECTORS
CONNECTORS
COOLANT
COOLANT RECOVERY TANKS
COOLING FAN MOTOR MODULES
COOLING FAN MOTOR RELAYS AND MODULES
COOLING FAN MOTOR RESISTORS
COOLING FAN MOTOR SENSORS AND SWITCHES
COOLING FAN MOTOR SWITCHES
COOLING FAN MOTORS
CRANKSHAFT POSITION SENSORS
DECEL VALVES
DEFLECTORS
DIP STICKS AND TUBES
DIP STICK TUBES
DISTRIBUTOR ADVANCES AND RETARDERS (MECHANICAL AND VACUUM)
DISTRIBUTOR BOOTS AND SHIELDS
DISTRIBUTOR CAPS
DISTRIBUTOR RETARDERS (MECHANICAL AND VACUUM)
DISTRIBUTOR ROTORS
DISTRIBUTOR SHIELDS
DISTRIBUTORS
EARLY FUEL EVAPORATION VALVES (HEAT RISER ASSEMBLIES)
EGR COOLERS
EGR EXHAUST MANIFOLD PASSAGES
EGR INTAKE AND EXHAUST MANIFOLD PASSAGES
EGR PLATES AND COOLERS
ELECTRONIC SPARK CONTROL MODULES
ELECTRONIC TRANSMISSION CONTROL DEVICES
ELECTRONIC TRANSMISSION FEEDBACK DEVICES
ENGINE COOLANT TEMPERATURE SENSORS
ENGINE COOLING SYSTEMS
ENGINE COVERS (OIL PAN, VALVE COVER, TIMING COVER)
ENGINE OIL
ENGINE OIL CANISTERS
ENGINE OIL COOLERS (EXTERNAL)
ENGINE OIL DRAIN PLUGS AND GASKETS
ENGINE OIL FILTERS AND CANISTERS
ENGINE OIL GASKETS
ENGINE OIL PRESSURE GAUGES (MECHANICAL)
EVAPORATIVE EMISSION (EVAP) CANISTER FILTERS
EVAPORATIVE EMISSION (EVAP) CANISTER PURGE DEVICES
EVAPORATIVE EMISSION (EVAP) CANISTERS
EVAPORATIVE EMISSION (EVAP) FEEDBACK DEVICES
EXHAUST GAS RECIRCULATION DEVICES
EXHAUST GAS RECIRCULATION FEEDBACK DEVICES
EXPANSION PLUGS
FAN CONTROL SENSORS
FUEL
FUEL ACCUMULATORS AND DAMPERS
FUEL AND COLD START INJECTORS
FUEL DAMPERS
FUEL DELIVERY CHECK VALVES
FUEL DISTRIBUTORS (BOSCH CIS)
FUEL FILLER NECKS AND RESTRICTORS
FUEL FILTERS
FUEL INJECTORS
FUEL LEVEL SENDERS7
FUEL PRESSURE REGULATORS
FUEL PUMPS (IN-TANK AND EXTERNAL, ELECTRICAL OR MECHANICAL)
FUEL RAILS
FUEL RESTRICTORS

Missing (if original
equipment) ............. C ........... Require replacement.









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COOLING FAN MOTOR MODULES
See COOLING FAN MOTOR RELAYS AND MODULES .
COOLING FAN MOTOR RELAYS AND MODULES
COOLING FAN MOTOR RELAY AND MODULE 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.
Connector broken ........ A .. Require repair or replacement.
Connector (Weatherpack
type) leaking .......... A .. Require repair or replacement.
Connector melted ........ A ........... ( 1) Require repair or
replacement.
Connector missing ....... C ............ Require replacement.
Housing cracked ......... 2 .. Suggest repair or replacement.
Malfunctioning .......... A ........... ( 2) Require repair or
replacement.
Missing ................. C ............ Require replacement.
Terminal broken ......... A .. Require repair or replacement.
Terminal burned, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Terminal burned, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal corroded,
affecting performance .. A .. Require repair or replacement.
Terminal corroded, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
Wire lead conductors
exposed ................ B .. Require repair or replacement.
Wire lead corroded ...... A .. Require repair or replacement.
Wire lead open .......... A .. Require repair or replacement.
Wire lead shorted ....... A .. Require repair or replacement.
( 1) - Determine cause and correct prior to repair or
replacement of part.
( 2) - Includes inoperative, intermittent operation, failure
to perform all functions, or out of OEM specification.









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COOLING FAN MOTOR RESISTORS
COOLING FAN MOTOR RESISTOR INSPECTION








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of publication.








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MFI CONTROL RELAY
MFI control relay switches power to vehicle sensors and
actuators including Volume Airflow (VAF) sensor, crankshaft position
sensor, idle speed control, injectors and fuel pump. When ignition
switch is turned to RUN position, PCM energizes coils controlling
injectors, VAF sensor and idle air control. When ignition switch is
turned to START position, PCM energizes coils (through park/neutral
position switch on A/T models) to supply power to fuel pump. Relay
failure will cause a no-start condition. For testing procedure, see I
- SYSTEM/COMPONENT TESTS article.
IGNITION CHECKS
* PLEASE READ THIS FIRST *
NOTE: Perform all circuit tests with a Digital Volt-Ohmmeter
(DVOM) with a minimum 10-megohm input impedance, unless
stated otherwise in test procedure.
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. Wire resistance should not exceed
22,000 ohms for all models except Eclipse 2.0L non-turbo and Montero.
On Eclipse 2.0L non-turbo, resistance should not exceed 8000 ohms. On
Montero, resistance should not exceed 26,000 ohms.
CAMSHAFT POSITION (CMP) SENSOR
For CMP sensor testing procedure, see G - TESTS W/CODES
article.
CRANKSHAFT POSITION (CKP) SENSOR
For CKP sensor testing procedure, see G - TESTS W/CODES
article.
DISTRIBUTORLESS IGNITION SYSTEM (DIS - 4-CYLINDER)
Ignition Coil Resistance (Eclipse)
1) On Mirage 1.8L, see POWER TRANSISTOR (MIRAGE). On Eclipse\
2.0L non-turbo, go to step 3). On Eclipse 2.0L turbo and 2.4L,
disconnect ignition coil connector. Go to next step.
2) On Eclipse 2.0L turbo, use DVOM to measure primary coil
resistance between ignition coil connector terminals No. 2 and 3 (coil
for cylinders No. 1 and 4) and terminals No. 1 and 3 (coil for
cylinders No. 2 and 3). See Fig. 3. On Eclipse 2.4L, use DVOM to
measure primary coil resistance Between ignition coil terminals. Go to
step 4).
Fig. 2: Ignition Coil Connector Terminals (Eclipse 2.0L Non-Turbo)
Courtesy of Mitsubishi Motor Sales of America

connector or harness, or torque converter clutch solenoid.
DTC P0750
Shift solenoid "A" failure. Possible causes are: connector or
harness, or low-reverse solenoid.
DTC P0755
Shift solenoid "B" failure. Possible causes are: connector or
harness, or underdrive solenoid.
DTC P0760
Shift solenoid "C" failure. Possible causes are: connector or
harness, or second solenoid.
DTC P0765
Shift solenoid "D" failure. Possible causes are: connector or
harness, or overdrive solenoid.
DTC P1103
Turbocharger wastegate actuator failure. Possible causes are:
connector or harness, faulty wastegate solenoid or actuator, or vacuum
hose routing.
DTC P1104
Turbocharger wastegate solenoid failure. Possible causes are:
connector or harness, or faulty wastegate solenoid.
DTC P1105
Fuel pressure solenoid failure. Possible causes are:
connector or harness, or faulty fuel pressure solenoid.
DTC P1400
Manifold Differential Pressure (MDP) sensor circuit failure.
Possible causes are: connector or harness, or faulty MDP sensor.
DTC P1500
Generator FR terminal circuit failure. Possible causes are:
connector or harness.
DTC P1600
Serial communication link failure. Possible causes are:
connector or harness.
DTC P1715
Pulse Generator (PG) failure. Possible causes are: connector
or harness, or faulty PG.
DTC P1750
Solenoid failure. Possible causes are: connector or harness,
faulty converter clutch solenoid, shift control solenoid, or pressure
control solenoid.
DTC P0751
Automatic transaxle control relay failure. Possible causes
are: connector or harness, or automatic transaxle relay.
DTC P1791
Engine coolant temperature level input circuit (to TCM)
failure. Possible causes are: connector or harness.
DTC P1795
Throttle position input circuit failure. Possible causes are:
connector or harness.

CLEARING DTCS
CAUTION: When battery is disconnected, vehicle computer and memory
systems may lose memory data. Driveability problems may
exist until computer systems have completed a relearn cycle.
To clear DTCs using a scan tool, refer to owners manual
supplied with scan tool. If scan tool is not available, DTCs may also
be cleared by disconnecting negative battery cable or PCM for at least
15 seconds, allowing PCM to clear DTCs. Reconnect negative battery
cable and check for DTCs to confirm repair.
PCM LOCATION
PCM LOCATION TABLE








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Application Location
Montero ........................... Right Front Kick Panel
3000GT ............................. Behind Center Console









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SUMMARY
If no hard DTCs (or only pass DTCs) are present, driveability\
symptoms exist, or intermittent DTCs exist, proceed to H - TESTS W/O
CODES article for diagnosis by symptom (i.e., ROUGH IDLE, NO START,
etc.) or intermittent diagnostic procedures.
TERMINAL IDENTIFICATION
NOTE: The following terminals are shown as viewed from component
side of connector. Vehicles are equipped with different
combinations of components. Not all components are used on
all models. To determine component usage, see appropriate
wiring diagram in L - WIRING DIAGRAMS article.
TERMINAL IDENTIFICATION DIRECTORY TABLE









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Connector See
ASD/Fuel Pump/MFI Relay ...................... Fig. 1 or 2
CKP/CMP Sensor ............................ Fig. 3, 4 or 5
DLC ............................................... Fig. 6
ECT Sensor ........................................ Fig. 7
EVAP Purge Solenoid ............................... Fig. 8
EVAP Vent Solenoid ................................ Fig. 9
Fuel Injector ....................... Fig. 10, 11, 12 or 13
Fuel Pump ................................... Fig. 14 or 15
Fuel Pump Control/Relay Module .................... Fig. 16
FTDP Sensor ...................................... Fig. 17
Generator Field .................................. Fig. 18
HO2S ............................................. Fig. 19
IAC Motor ........................................ Fig. 20
Ignition Coil .......................... Fig. 21, 22 or 23
Ignition Failure Sensor .......................... Fig. 24
Ignition Power Transistor .................. Fig. 25 or 26
KS ............................................... Fig. 27
MDP Sensor ....................................... Fig. 28
PCM .............................................. Fig. 29