1998 MITSUBISHI MONTERO Service Manual

and screws. See Fig. 3. Lift air bag module for access to clockspring
connector at air bag module and disconnect clockspring connector. See
Fig. 4 . Remove air bag module.
3) Place air bag module on flat surface with trim cover
facing up. Remove steering wheel with Steering Wheel Puller
(MB990803). Remove lower column cover. Disconnect clockspring lower
connectors. Remove clockspring mounting screws. Remove clockspring.
See Fig. 3 .
Fig. 3: Removing Driver-Side Air Bag & Clockspring
Courtesy of Mitsubishi Motor Sales of America.
Fig. 4: Disconnecting Clockspring Connector From Air Bag Module
Courtesy of Mitsubishi Motor Sales of America.
WARNING: If front wheels are not in straight-ahead position or
clockspring mating marks are not aligned before installing

clockspring, the steering wheel may not turn completely, or
flat cable inside clockspring may be severed, disabling SRS
system and possibly causing serious injury to driver.
Installation
1) Ensure front wheels are in straight-ahead position. Align
mating marks on clockspring. See CLOCKSPRING CENTERING under
ADJUSTMENTS. Install clockspring. To install remaining components,
reverse removal procedure. Before installing air bag module, ensure
horn switch wiring is positioned so that it will not be pinched.
2) Tighten fasteners to spec. See TORQUE SPECIFICATIONS.
Activate SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM . Check AIR BAG
warning light for proper system function. SYSTEM OPERATION CHECK.
PASSENGER-SIDE AIR BAG MODULE
Removal & Installation
1) Before proceeding, see SERVICE PRECAUTIONS. Deactivate
SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM .
2) Remove right-side foot shower duct and two stoppers on
either side. Remove and lower glove box. Disconnect air bag module
connector. Remove retaining bolts and passenger-side air bag module.
See Fig. 5 .
3) To install, reverse removal procedure. Tighten bolts to
specification. See TORQUE SPECIFICATIONS . Activate SRS. See procedures
under DISABLING & ACTIVATING AIR BAG SYSTEM . Check AIR BAG warning
light for proper system function. SYSTEM OPERATION CHECK.
Fig. 5: Removing Passenger-Side Air Bag Module
Courtesy of Mitsubishi Motor Sales of America.
SRS AIR BAG CONTROL UNIT (ECU)

CAUTION: SRS-ECU connector is a double-locking mechanism. DO NOT use
excessive force when disconnecting connector.
Removal & Installation
1) Before proceeding, see SERVICE PRECAUTIONS. Deactivate
SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM .
2) Remove rear and front floor console assembly. Remove
switch panel and suspension control switch. Disconnect rear console
harness connector. Remove side panel A and rear console assembly.
3) Remove shift lever. Disconnect front console harness
connector and remove front console assembly. Disconnect SRS-ECU
connector. Remove mounting bolts, bracket and SRS-ECU. See Fig. 6.
4) To install, reverse removal procedure. Tighten bolts to
specification. See TORQUE SPECIFICATIONS . Activate SRS. See procedures
under DISABLING & ACTIVATING AIR BAG SYSTEM . Check AIR BAG warning
light for proper system function. SYSTEM OPERATION CHECK.
Fig. 6: Removing SRS Air Bag Control Unit (ECU)
Courtesy of Mitsubishi Motor Sales of America.
FRONT IMPACT SENSORS
Removal & Installation

1) Before proceeding, see SERVICE PRECAUTIONS. Deactivate
SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM .
2) Remove components for access to front impact sensors as
necessary. See Fig. 7. Remove front impact sensor mounting bolts.
Slide Green section of connector to release lock. Push down on pawl.
Disconnect electrical connector. Remove front impact sensor.
3) To install, reverse removal procedure. Position sensor
with arrow facing toward front of vehicle. Tighten bolts to
specification. See TORQUE SPECIFICATIONS . Activate SRS. See procedures
under DISABLING & ACTIVATING AIR BAG SYSTEM . Check AIR BAG warning
light for proper system function. SYSTEM OPERATION CHECK.
Fig. 7: Locating Front Impact Sensors
Courtesy of Mitsubishi Motor Sales of America.
ADJUSTMENTS

CLOCKSPRING CENTERING
WARNING: If front wheels are not in straight-ahead position or
clockspring mating marks are not aligned before installing
clockspring, the steering wheel may not turn completely, or
flat cable inside clockspring may be severed, disabling SRS
system and possibly causing serious injury to driver.
With clockspring removed, ensure front wheels are in
straight-ahead position. Turn clockspring fully clockwise, and then
turn it back approximately 3.3 turns counterclockwise to align mating
marks. See Fig. 8.
Fig. 8: Aligning Clockspring Mating Marks
Courtesy of Mitsubishi Motor Sales of America.
WIRE REPAIR
DO NOT repair SRS wiring or harness connectors. If SRS wiring
or harness connectors are faulty, replace faulty wiring harness.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS








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Application Ft. Lbs. (N.m)
Steering Wheel Nut ............................... 29 (39)

INCH Lbs. (N.m)
Air Bag Module Bolt/Nut
Driver-Side ........................................ ( 1)
Passenger-Side ..................................... ( 1)
Clockspring Screw .................................... ( 1)
SRS-ECU (Air Bag Control Unit) Bolt ............. 43 (4.9)
( 1) - Information is not available from manufacturer.









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DIAGNOSIS & TESTING
INITIAL SRS DIAGNOSTIC PROCEDURE
WARNING: Follow air bag service precautions to prevent accidental air
bag deployment and personal injury. See SERVICE PRECAUTIONS.
NOTE: Ensure battery is fully charged. If battery voltage is too
low, SRS warning light will come on. When battery voltage is
restored to normal, light will go out. Codes remain stored
for no more than about 7 days. Codes can be stored no more
than 250 times. After servicing, reconnect negative battery
cable. Erase codes using Multi-Use Tester II (MUT-II,
MB991502). Check SRS warning light to verify system
operation. See SYSTEM OPERATION CHECK.
CAUTION: Ensure ignition is off before connecting or disconnecting
scan tool at DLC.
1) Before proceeding, follow service precautions. See
SERVICE PRECAUTIONS . Turn ignition on. If SRS warning light comes on
for about 7 seconds and turns off, SRS is functioning properly at this
time.
2) If SRS warning light does not come on, or comes on and
stays on, turn ignition switch to LOCK position. Connect scan tool to
Data Link Connector (DLC). See Fig. 9. Turn ignition on. Use scan tool
to retrieve code(s).
Fig. 9: Connecting Scan Tool To Data Link Connector (DLC)
Courtesy of Mitsubishi Motor Sales of America.
TROUBLE SYMPTOMS TABLE









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Symptom Inspection Procedure
Communication With All Systems Not Possible ............ 1
Communication With SRS Only Not Possible ............... 2
Ignition Switch On (Engine Stopped)
SRS Warning Light Does Not Come On ............... DTC 43
SRS Warning Light Stays On After 7 Seconds ...... DTC 43









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INSPECTION PROCEDURE 1
The cause is probably in power supply system (including
ground circuit of diagnostic line). Check connectors and harness, and
repair if necessary.
INSPECTION PROCEDURE 2
NOTE: Refer to WIRING DIAGRAMS for connector identification.
1) Before proceeding, see SERVICE PRECAUTIONS. Deactivate
SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM .
2) Measure SRS Check Harness (MB991613) connector No. 5.
Disconnect SRS-ECU connector C-122 and connect SRS check harness
connector No. 3 to C-122. Check continuity between terminal No. 20, 21
and ground. If there is no continuity, go to next step. If there is
continuity, go to step 4).
3) Check connector C-122, and repair if necessary. If
connector is okay, check for trouble symptoms. If fault exists, check
harness between SRS-ECU and ground, and repair if necessary.
4) Measure SRS check harness connector No. 5. Disconnect SRS-
ECU connector C-122 and connect SRS harness check connector No. 3 to
C-122. Connect negative battery cable. Measure voltage between
terminal No. 13 and 14, and body ground. If voltage at terminals is 9
volts or more, check harness wire between SRS-ECU and Data Link
Connector (DLC), and repair if necessary. If harness wire is okay,
replace SRS-ECU. See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL &
INSTALLATION. If voltage is not as specified, check connector C-80, C-
93, C-101, and C-132, and repair if necessary. If connectors are okay,
check for trouble symptoms. If fault exists, check harness between
SRS-ECU and IG1 A or B (ignition switch), and repair if necessary.
Fig. 10: Identifying SRS Check Harness (MB991613) Connectors
Courtesy of Mitsubishi Motor Sales of America.
DTC 11, 12 & 13: FRONT IMPACT SENSOR SYSTEM

NOTE: Refer to WIRING DIAGRAMS for connector identification.
1) Before proceeding, see SERVICE PRECAUTIONS. Deactivate
SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM .
2) Check front impact sensor, and replace if necessary. See
FRONT IMPACT SENSORS under REMOVAL & INSTALLATION. Measure SRS Check
Harness (MB991613) connector No. 5. Disconnect SRS-ECU connector C-122\
and connect SRS check harness connector No. 3 to C-122. Measure
resistance between terminals for normal value of 1,900-2,100 ohms. If
resistance is not as specified, go to next step. If resistance is as
specified, check for trouble symptoms. If fault exists, replace SRS-
ECU. See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL & INSTALLATION.
3) Check connector A-71, A-75, C-113, and C-122, and repair
if necessary. If connectors are okay, check for trouble symptoms. If
fault exists, inspect harness between SRS-ECU and front impact sensor,
and replace harness if necessary.
DTC 14: ANALOG "G" SENSOR SYSTEM
Before proceeding, see SERVICE PRECAUTIONS. Replace SRS-ECU.
See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL & INSTALLATION.
DTC 15 & 16: SAFING "G" SENSOR SYSTEM
Before proceeding, see SERVICE PRECAUTIONS. Replace SRS-ECU.
See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL & INSTALLATION.
DTC 21, 22 & 61: DRIVER-SIDE AIR BAG MODULE (SQUIB) SYSTEM
WARNING: During the following procedure, never measure circuit
resistance of air bag module (squib), even when using
specified DVOM. If circuit resistance is measured, it may
cause accidental air bag deployment and personal injury.
NOTE: Refer to WIRING DIAGRAMS for connector identification.
1) Before proceeding, see SERVICE PRECAUTIONS. Deactivate
SRS. See DISABLING & ACTIVATING AIR BAG SYSTEM .
2) Perform clockspring test, and repair as necessary. See
CLOCKSPRING TEST under COMPONENT TESTING. Disconnect clockspring
connector C-129. Connect SRS Check Harness (MB991613) connector No. 1
to clockspring connector. Connect negative battery cable. Erase DTC
memory and check if DTCs 21, 22, or 61 are set. If any of these DTCs
are output, go to next step. If DTCs are not output, go to step 4).
3) Check SRS-ECU connector C-122 and clockspring connector C-
129, and repair as necessary. If connectors are okay, check for
trouble symptoms. If fault exists, check harness between SRS-ECU and
clockspring. Disconnect connector C-122 and C-129. Connect SRS Check
Harness connector No. 1 to C-129 and No. 3 to C-122. Check resistance
between terminals No. 5 and 6. If resistance is approximately 3 ohms,
replace SRS-ECU. See SRS AIR BAG CONTROL UNIT (ECU) under REMOVAL &
INSTALLATION. If resistance is not as specified, repair as necessary.
4) Check connector C-129 and 1 (air bag module connector),
and repair if necessary. If connectors are okay, check trouble
symptoms. If fault exists, replace driver-side air bag module. See
DRIVER-SIDE AIR BAG MODULE under REMOVAL & INSTALLATION.
DTC 24, 25 & 64: PASSENGER-SIDE AIR BAG MODULE (SQUIB) SYSTEM
WARNING: During the following procedure, never measure circuit
resistance of air bag module (squib), even when using
specified DVOM. If circuit resistance is measured, it may