1998 MITSUBISHI MONTERO ignition

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HYDRO-BOOSTERS
NOTE: Hydro-boosters and hydro-electric boosters are combined.
HYDRO-BOOSTER 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 replacement.
Connector missing ....... C ............ Require replacement.
Does not apply assist, or
inadequate assist ...... A .. Require repair or replacement.
Leaking ................. B .. Require repair or replacement.
Leaks fluid at fitting .. B ........... Require tightening or
replacement.
Leaks fluid at unit ..... B .. Require repair or replacement.
Leaks fluid from pressure
hose(s) ................ B . Require replacement of hose(s).
Leaks fluid into passenger
compartment ............ B .. Require repair or replacement.
Threads damaged ......... 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.
Threads stripped (threads
missing) ............... A ............ Require replacement.
( 1) - Determine cause and correct prior to replacement of part.









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HYDRO-ELECTRIC BOOSTERS (POWERMASTER)
See HYDRO-BOOSTERS .
IGNITION DISABLE SWITCHES
See SWITCHES.

(VIN H) ........................................ 8.9:1
(VIN J) ....................................... 10.0:1
(VIN K) ........................................ 8.0:1
(VIN P) ........................................ 9.0:1
3.5L (VIN M & P) ................................. 9.0:1
Compression Pressure
1.5L (VIN A) ..................... 192 psi (13.4 kg/cm
)
1.8L (VIN C) ..................... 199 psi (13.9 kg/cm)
2.0L (VIN F) ..................... 178 psi (12.5 kg/cm)
2.0L (VIN Y) ............ 170-225 psi (11.7-15.5 kg/cm)
2.4L (VIN G) ..................... 192 psi (13.4 kg/cm)
3.0L
(VIN H & P) .................... 171 psi (12.0 kg/cm
)
(VIN J) ........................ 185 psi (13.0 kg/cm)
(VIN K) ........................ 156 psi (10.9 kg/cm)
3.5L (VIN M & P) ................. 171 psi (12.0 kg/cm)
Maximum Variation
Between Cylinders ( 2) ............... 14 psi (1.0 kg/cm
)
( 1) - See A - ENGINE/VIN ID article for VIN information.
( 2) - On Eclipse 2.0L non-turbo engine, maximum variation
between cylinders is 25 percent.









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VALVE CLEARANCE
NOTE: All engines are equipped with hydraulic lifters. No
adjustment is required.
IGNITION SYSTEM
IGNITION COIL
IGNITION COIL RESISTANCE - Ohms @ 68F (20C) TABLE








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Application (1) Primary Secondary
1.5L (VIN A) ............ .5-.7 .......... 15,000-22,000
1.8L (VIN C) ............. ( 2) ........... 14,000-21,000
2.0L
(VIN F) .............. .70-.86 ......... 11,300-15,300
(VIN Y) .............. .51-.61 ......... 11,500-13,500
2.4L (VIN G)
Eclipse .............. .74-.90 ......... 20,100-27,300
Galant ............... .9-1.2 .......... 20,000-29,000
Montero Sport ........ .67-.81 ......... 11,300-15,300
3.0L
(VIN H) .............. .72-.88 ......... 10,300-13,900
(VIN J & K) .......... .67-.81 ......... 11,300-15,300
(VIN P) .............. .74-.90 ......... 20,100-27,300
3.5L
(VIN M) .............. .74-90 .......... 20,100-27,300
(VIN P) .............. .50-.70 ........... 9000-13,000
( 1) - See A - ENGINE/VIN ID article for VIN information.
( 2) - Information is not available from manufacturer at time
of publication.









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HIGH TENSION WIRE RESISTANCE
Wire resistance should not exceed 22,000 ohms for all models

Fig. 2: Firing Order Firing Order (V6)
IGNITION TIMING
IGNITION TIMING (Degrees BTDC @ RPM) TABLE

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Application ( 1) Basic ( 2) ( 3) ( 4) Actual
1.5L ............. 2-78@ 650-750 .......... 10 @ 600-800
1.8L ............. 2-8 @ 600-800 ........... 5 @ 600-800
2.0L
Non-Turbo ........... ( 5) ........................ ( 5)
Turbo .......... 2-8 @ 650-850 ........... 8 @ 650-850
2.4L ............. 2-8 @ 650-850 .......... 10 @ 650-850
3.0L ............. 2-8 @ 600-800 .......... 15 @ 600-800
3.5L ............. 2-8 @ 600-800 .......... 15 @ 600-800
( 1) - With ignition timing adjustment connector grounded or
vacuum hose (farthest from distributor) disconnected.
( 2) - With ignition timing adjustment connector ungrounded
or vacuum hose (farthest from distributor) connected.
( 3) - If vehicle altitude is more than 2300 feet above sea
level, actualtiming may be advanced (5 degrees).
( 4) - Actual ignition timing is approximate and may
fluctuate plus or minus 7 degrees.
( 5) - Ignition timing is NOT adjustable.









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FUEL SYSTEM
FUEL PUMP
REGULATED FUEL PRESSURE TABLE








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At Idle w/Vacuum At Idle w/o Vacuum
Application psi (kg/cm) psi (kg/cm)
Eclipse 2.0L
Non-Turbo ............ ( 1) ........... 47-50 (3.3-3.5)
Turbo ............. 33 (2.3) ......... 42-45 (3.0-3.5)
3000GT Turbo ........ 34 (2.4) ......... 43-45 (3.0-3.1)
All Other Models .... 38 (2.7) ......... 47-50 (3.3-3.5)
( 1) - Information is not available from manufacturer at time
of publication.









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IDLE SPEED
IDLE SPEED SPECIFICATIONS TABLE








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Application Curb Idle Basic Idle
1.5L & 1.8L ............ 600-800 ............... 650-750
2.0L
Non-Turbo ............ 700-900 ................... ( 1)
Turbo ................ 650-850 ............... 700-800
2.4L ................... 650-850 ............... 700-800
3.0L & 3.5L ............ 600-800 ............... 650-750
( 1) - Information is not available from manufacturer at time
of publication.









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INJECTOR RESISTANCE
INJECTOR RESISTANCE TABLE

specified, bleed system and inspect hydraulic and clutch components.
See CLUTCH PEDAL SPECIFICATIONS table.
CLUTCH PEDAL INTERLOCK SWITCH
1) Place transmission in Neutral and apply parking brake.
Turn ignition switch to START position with clutch pedal not
depressed. Engine should not crank. If engine cranks, adjust or
replace interlock switch.
2) Disconnect interlock switch connector. Interlock switch
connector is located at clutch pedal. Depress and release interlock
switch. Using ohmmeter, check continuity between interlock switch
terminals. If continuity exists with interlock switch depressed and
does not exist with switch released, switch is okay. Adjust or replace
as necessary.
REMOVAL & INSTALLATION
CLUTCH ASSEMBLY
Removal (2WD Models)
1) Disconnect negative battery cable. Remove shift knob, dust
cover retaining plate, gaskets, stopper plate and control lever
assembly. Raise and support vehicle.
2) Remove front exhaust pipe. Drain transmission fluid. Index
mark drive shaft flange and remove drive shaft.
3) Disconnect back-up light switch connector, speedometer
cable connection and exhaust pipe mounting bracket. Remove lower
bellhousing cover. Disconnect clutch cable from clutch lever.
4) Support transmission with jack. Remove rear engine mount
nuts and bolts from transmission. Remove crossmember with rear engine
mount. Remove remaining bellhousing bolts, move transmission toward
rear and lower from vehicle.
5) If reusing pressure plate, index mark pressure plate to
flywheel for installation reference. Install a clutch alignment tool
to prevent pressure plate and clutch disc from dropping. Loosen
pressure plate bolts gradually in a crisscross pattern to avoid
warping pressure plate flange during removal. Remove pressure plate
and clutch disc. See Fig. 3.
Inspection
1) Check release bearing and release fork for damage or wear.
DO NOT clean release bearing assembly in solvent.
2) Inspect pressure plate surface for wear, cracks, and/or
discoloration. Measure diaphragm spring ends for wear and uneven
height. Replace assembly if height difference between fingers exceeds
.02" (.5 mm).
3) Check facing of clutch disc for loose rivets, uneven
contact, deterioration, seizure or oil saturation. Measure distance
from clutch disc surface to head of rivet. Replace clutch disc if
distance is less than .012" (.30 mm). Replace worn or defective
components as necessary. See Fig. 4.
CAUTION: Install clutch disc with manufacturer's stamp mark (located
near hub of clutch disc) toward pressure plate.
Installation
1) Using a clutch alignment tool, install pressure plate and
clutch disc. If reusing pressure plate, ensure index marks are
aligned. Tighten bolts evenly in a crisscross pattern to
specification. See TORQUE SPECIFICATIONS . See Fig. 3.
2) Clean release bearing sliding surface. DO NOT clean

* PLEASE READ THIS FIRST *
NOTE: For further trouble shooting information, see INPUT
INSPECTION CHART. See Fig. 3. See
INSPECTION CHART FOR TROUBLE SYMPTOMS table under SYMPTOM
TESTS.
PRELIMINARY CHECKS
Inspect vacuum pump, linkage assembly, actuator, cables and
vacuum hoses. Ensure linkage and cables move smoothly. Ensure cables
do not have excessive slack or tension.
CRUISE CONTROL SWITCH FUNCTION TEST
NOTE: If vehicle speed decreases about 9 MPH less than the set
speed, set speed will be canceled. Speed will not set beyond
system limit of 124 MPH.
1) Cruise control switch is part of multifunction switch
mounted on steering column. To operate cruise control system, turn
ignition on. Turn cruise control switch to ON position. Ensure switch
indicator light comes on.
2) With cruise control switch in ON position, drive vehicle
at least 25 MPH. Press and release SET button. Vehicle speed should
stay at set speed. Instrument cluster cruise indicator light should
come on. To increase set speed, turn control switch to RESUME position
and hold until new set speed is reached.
3) To lower set speed, press SET button and hold until new
set speed is reached. To return to set speed after cancellation, move
resume switch to ON position. Vehicle speed should return to previous
setting before cancellation. Set speed should cancel when any of the
following occurs:
* Brake pedal is depressed.
* Cruise control main switch is turned to OFF position.
* Ignition switch is turned to OFF position.
* Transmission is shifted to Neutral.
SYSTEM CANCELS OR WILL NOT RESET AFTER CANCELLATION
1) Check for trouble codes. See RETRIEVING CODES under SELF-
DIAGNOSTIC SYSTEM. If no trouble codes are stored, ensure cruise
control can be set.
2) If cruise control can be set, system may have canceled due
to driving on steep hills, or a loose wiring connection. If cruise
control still cannot be set, perform SYSTEM INPUT TESTS under SYMPTOMS
TESTS.
3) If SYSTEM INPUT TESTS check okay, check vacuum pump
circuit. See CODE 11 under DIAGNOSTIC TESTS. If SYSTEM INPUT TESTS do
not check okay, see INPUT INSPECTION CHART. See Fig. 3.
SYMPTOM TESTS
SYSTEM INPUT TESTS
1) System input tests should be performed if no trouble codes
are stored when performing RETRIEVING CODES under SELF-DIAGNOSTIC
SYSTEM. System input tests cycle each cruise control switch and
sensor.

2) Use scan tool for system input check according to
operating instructions provided with scan tool. Connect leads of
analog voltmeter between cruise control terminal and ground terminal
of data link connector. See Fig. 35.
3) Turn ignition on. To display results of input check, move
cruise control SET switch to ON position. Then turn MAIN switch to ON
position. Within one second, activate RESUME switch. Codes will
display if circuit tested is okay. See Fig. 3.
Fig. 3: Input Inspection Chart
Courtesy of Mitsubishi Motor Sales of America
INSPECTION CHART FOR TROUBLE SYMPTOMS TABLE









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Trouble Symptom Perform Test No.
Communication With Scan Tool Not Possible
(Communication With All Systems Not Possible) ........ 1
Communication With Cruise Control ECU Not Possible ..... 2
Diagnostic Inspection Possible/Input Inspection
Not Possible ......................................... 3
Cruise Control Does Not Cancel
With Brake Pedal Depressed ........................... 4
With Select Lever In Neutral ......................... 5
With CANCEL Switch ON ................................ 6
Diagnosis Display Normal/Cruise Control Will Not Set ... 7
Cruise Control Cannot Be Set ........................... 8
Hunting Occurs At Set Speed ............................ 9
With Cruise Control Main Switch ON,
Switch Indicator Does Not Illuminate
(Cruise Control Operation Normal) .................. 10
Cruise Control Main Switch Illumination Light
Does Not Illuminate ................................. 11
Indicator Light Inside Combination Meter

1) To clear trouble codes, disconnect battery cable, or use
alternative method to prevent memory loss.
2) Turn ignition on. Turn main cruise control switch and SET
switch to ON position, and within one second, turn RES switch to ON
position. Hold stoplight switch and cruise control switch in ON
position for greater than 5 seconds. Verify codes are cleared.
DIAGNOSTIC TESTS
CODE 11: VACUUM PUMP DRIVE SYSTEM
Code 11 is displayed if release valve, control valve and
motor drive signals from vacuum pump are not input to cruise control
ECU. Probable causes are:
* Malfunction of vacuum pump.
* Malfunction of stoplight switch.
* Malfunction of connector.
* Malfunction of harness.
* Malfunction of cruise control ECU.
1) Check vacuum pump. See VACUUM PUMP TEST under COMPONENT
TESTS. If vacuum pump is defective, replace vacuum pump. If vacuum
pump is okay, go to next step.
2) Disconnect cruise control actuator harness connector A-57
or A-95. See Fig. 5. At harness side of connector, check voltage
between terminal No. 1 and ground. If battery voltage is present, go
to next step. If battery voltage is not present, check stoplight
switch. See BRAKELIGHT/STOPLIGHT SWITCH TEST under COMPONENT TESTS.
Replace switch if defective. Check cruise control main switch harness
connector C-01 and stoplight switch harness connector C-55. Repair as
necessary. If malfunction remains, check harness between cruise
control main switch and vacuum pump. Repair as necessary.
3) Disconnect cruise control ECU connector C-50. See Fig. 13.
At harness side of connector, check voltage between ground and
terminals No. 12 (driving release valve), No. 13 (driving control
valve), and No. 26 (driving motor). If battery voltage is present, go\
to next step. If battery voltage is not present, check and repair
connectors A-57 or A-95 and C-111 as necessary. See Figs. 5 and 24. If
malfunction remains, check and repair harness between vacuum pump and
cruise control ECU as necessary.
4) Check cruise control ECU connector C-50. Repair as
necessary. If malfunction remains, replace cruise control ECU.
CODE 12: VEHICLE SPEED SENSOR SIGNAL
Code 12 is displayed if vehicle speed signals from vehicle
speed sensor are not input to cruise control ECU when vehicle speed is
25 MPH or more. Probable causes are:
* Malfunction of VSS.
* Malfunction of connector.
* Malfunction of harness.
* Malfunction of cruise control ECU.
1) Check vehicle speed sensor. See VEHICLE SPEED SENSOR TEST
under COMPONENT TESTS. If speed sensor is okay, go to next step. If
speed sensor is defective, repair or replace as necessary.
2) Disconnect combination meter connector C-06. See Fig. 10.
At harness side of connector, with ignition switch in ON position,
measure voltage between terminal No. 1 and ground. If voltage is 4.5
volts or more, go to next step. If voltage is less than 4.5 volts,