warning MITSUBISHI MONTERO 2000 Service Service Manual
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Page 1310 of 1839
37A-1
STEERING
CONTENTS
GENERAL INFORMATION 2..................
SERVICE SPECIFICATIONS 5.................
LUBRICANTS 5..............................
SEALANT AND ADHESIVE 5.................
SPECIAL TOOLS 6..........................
ON-VEHICLE SERVICE 8.....................
Steering Wheel Free Play Check 8..............
Steering Angle Check 8........................
Tie Rod End Ball Joint Starting Torque Check 8..
Stationary Steering Effort Check 9...............
Steering Wheel Returnability Check 9............
Oil Pump Belt Tension Check <6G7,4D5> 9......Power Steering Fluid Level Check 10............
Power Steering Fluid Replacement 10...........
Power Steering System Bleeding 10.............
Oil Pump Pressure Test 11.....................
Power Steering Oil Pressure Switch Check
<6G7,4M4> 12.................................
Ball Joint Dust Cover Check 12.................
STEERING WHEEL AND SHAFT* 13.........
POWER STEERING GEAR BOX AND
LINKAGE 16................................
POWER STEERING OIL PUMP 30...........
POWER STEERING OIL HOSES 35..........
WARNINGS REGARDING SERVICING OF SUPPLEMENTAL RESTRAINT SYSTEM (SRS) EQUIPPED VEHICLES
WARNING!
(1) Improper service or maintenance of any component of the SRS, or any SRS-related component, can lead to personal
injury or death to service personnel (from inadvertent firing of the air bag) or to the driver and passenger (from rendering
the SRS inoperative).
(2) Service or maintenance of any SRS component or SRS-related component must be performed only at an authorized
MITSUBISHI dealer.
(3) MITSUBISHI dealer personnel must thoroughly review this manual, and especially its GROUP 52B - Supplemental
Restraint System (SRS) before beginning any service or maintenance of any component of the SRS or any SRS-related
component.
NOTE
The SRS includes the following components: SRS-ECU, SRS warning lamp, air bag module, clock spring and interconnecting
wiring. Other SRS-related components (that mayhave to be removed/installed in connectionwith SRS service or maintenance) are
indicated in the table of contents by an asterisk(*).
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Page 1457 of 1839
52A-2
INTERIOR
CONTENTS
SERVICE SPECIFICATIONS 3.................
SPECIAL TOOL 3............................
INSTRUMENT PANEL
INSTRUMENT PANEL
FLOOR CONSOLE 12........................
TRIMS 13...................................
SUNVISOR HOLDER 17......................FRONT SEAT 18............................
REAR/SECOND SEAT 25....................
THIRD SEAT 35.............................
FRONT SEAT BELT 38.......................
REAR SEAT BELT
SECOND/THIRD SEAT BELT
WARNINGS REGARDING SERVICING OF SUPPLEMENTAL RESTRAINT SYSTEM (SRS) EQUIPPED VEHICLES
WARNING!
(1) Improper service or maintenance of any component of the SRS, or any SRS-related component, can lead to personal
injury or death to service personnel (from inadvertent firing of the air bag) or to the driver (from rendering the SRS
inoperative).
(2) Service or maintenance of any SRS component or SRS-related component must be performed only at an authorized
MITSUBISHI dealer.
(3) MITSUBISHI dealer personnel must thoroughly review this manual, and especially its GROUP 52B - Supplemental
Restraint System (SRS) before beginning any service or maintenance of any component of the SRS or any SRS-related
component.
NOTE
The SRS includes the following components: front impact sensors, SRS-ECU, SRS warning lamp, air bag module, clock spring and
interconnecting wiring. Other SRS-related components (that mayhave to be removed/installed in connectionwith SRS service or
maintenance) are indicated in the table of contents by an asterisk(*).
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Page 1501 of 1839
52B-1
SUPPLEMENTAL
RESTRAINT
SYSTEM (SRS)
CONTENTS
GENERAL INFORMATION 2..................
SRS SERVICE PRECAUTIONS 3..............
SPECIAL TOOLS 5..........................
TEST EQUIPMENT 6.........................
TROUBLESHOOTING 7.......................
SRS MAINTENANCE 19.....................
POST-COLLISION DIAGNOSIS 23............
INDIVIDUAL COMPONENT SERVICE 26......
WARNING/CAUTION LABELS 27.............FRONT IMPACT SENSORS 28...............
SRS AIR BAG CONTROL UNIT
(SRS-ECU) 30...............................
AIR BAG MODULES AND CLOCK
SPRING 32.................................
SIDE IMPACT SENSOR 41..................
AIR BAG MODULE DISPOSAL
PROCEDURES 43...........................
Undeployed Air Bag Module Disposal 43.........
Deployed Air Bag Module Disposal
Procedures 52.................................
CAUTION
DCarefully read and observe the information in the SERVICE PRECAUTIONS (P.52B-3.) prior to any service.
DFor information concerning troubleshooting or maintenance, always observe the procedures in the Troubleshooting
(P.52B-7.) section.
DIf any SRS components are removed or replaced in connection with any service procedures, be sure to follow the
procedures in the INDIVIDUAL COMPONENT SERVICE section (P.52B-26.) for the components involved.
DIf you have any questions about theSRS, please contact your local distributor.
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Page 1508 of 1839
SRS -Troubleshooting52B-8
Code No.Reference
page Diagnosis item
43*1SRS warning lamp drive circuit systemLamp does not illuminate.52B-14
Lamp does not go out off.52B-14
44*1SRS warning lamp drive circuit system52B-14
45Internal circuit system of non-volatile memory (EEPROM) inside SRS-ECU52B-9
51, 52Driver’s air bag module (squib) system52B-9
54, 55Passenger’s air bag module (squib) system52B-9
71*2,72*2, 75, 76Side air bag module (R.H.) (squib) system52B-15
73, 74Side air bag module (R.H.) (squib) system52B-9
79, 93Side impact sensor (L.H.) communication system52B-16
81*2,82*2, 85, 86Side air bag module (L.H.) (squib) system52B-16
83, 84Side air bag module (L.H.) (squib ignition drive circuit) system52B-9
89, 96Side impact sensor (R.H.) communication system52B-17
91*1Side impact sensor (L.H.) power supply circuit system52B-17
92Analog G-sensor system inside side impact sensor52B-17
94*1Side impact sensor (R.H.) power supply circuit52B-18
95Analog G-sensor system inside side impact sensor (R.H.)52B-17
NOTE
1. *1: If the trouble(s) are extinguished, the SRS warning lamp will go out with diagnosis code history
automatically erased.
2. *2: If the vehicle condition return to normal, the diagnosis code will be automatically erased, and
the SRS warning lamp will return to normal.
3. If the vehicle has a discharged battery, it will store the fault codes 41 or 42. When these diagnosis
codes are displayed, check the battery.
INSPECTION PROCEDURE CLASSIFIED BY DIAGNOSIS CODE
Code No.11, 12 or 13 Front impact sensor systemProbable cause
These diagnosis codes are output if there is abnormal resistance between the
input terminals of the front impact sensors inside the SRS-ECU.
The trouble causes for each diagnosis code No. are as follow.DMalfunction of harness or connector
DMalfunction of front impact sensor
DMalfunction of SRS-ECU
Table 1
Code No.Trouble Symptom
11D
Short circuit in front impact sensor or harness
D
Short circuit in front impact sensor harness leading to the vehicle body ground
D
Short circuit in front impact sensor harness leading to the power supply
12D
Open circuit in either left or right front impact sensor or harness
D
Short circuit in front impact sensor harness leading to the power supply
13D
Open circuit in both left and right front impact sensor or harness
D
Short circuit in front impact sensor harness leading to the power supply
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SRS -Troubleshooting52B-10
Code No.21, 22, 61, 62 Driver’s side air bag module (squib)
systemProbable cause
These diagnosis codes are output if there is an abnormal resistance between the
input terminals of the driver’s side air bagmodule(squib) inside the SRS-ECU.
The trouble causes for each diagnosis code No. are as follow.
However, as for code Nos.21 and 22, if the vehicle’s condition return to normal,
SRS warning lampwill go out. (Diagnosis code will remain stored)DMalfunction of clock spring
DPartially open asclock spring is not in neutral
position
DMalfunction of harness or connector
DMalfunction of driver’s air bagmodule(squib)
DMalfunction of SRS-ECU
Table 3
Code No.Trouble Symptom
21D
Short circuit in driver’s air bag module (squib) or harness short
D
Short circuit in clock spring
D
Poor connector contact*
22D
Open circuit in driver’s air bag module (squib) or open harness
D
Open circuit in clock spring
D
Disconnected driver’s air bag module (squib) connector
D
Partially open as clock spring is not in neutral position
D
Poor connector contact
61Short circuit in driver’s air bag module (squib) harness leading to the power supply
62Short circuit in driver’s air bag module (squib) harness leading to the earth
NOTE
*: The shorting bars, which short positive (+) and negative ( - ) wires to prevent the air bags from accidental
deployment during the disconnection of the connector, are set in the squib circuit connectors. In
a defective connector, the short-bar may be still working even after the connection of the connecter.
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Page 1513 of 1839
SRS -Troubleshooting52B-13
Code No.34 Connector lock systemProbable cause
This diagnosis code is output when the SRS-ECU detects that the SRS-ECU
connector is improperly connected. However, when vehicle condition returns to
normal, this code will be automatically erased, and the SRS warninglampwill go
out.DMalfunction of connector
DMalfunction of SRS-ECU
NG YES
Are SRS-ECU connectors E-111, E-110
Repair
Replace the SRS-ECU.
RepairNOOK
Code No.35 SRS-ECU (deployed air bag) systemProbable cause
This code is displayed after deployment of air bags. If displayed before
deployment, the code indicates malfunction probably present in SRS-ECU.Malfunction of SRS-ECU
Replace the SRS-ECU.
Code No.41 Power circuit system (fuse No.6 circuit)
Code No.42 Power circuit system (fuse No.8 circuit)Probable cause
Code No.41 is displayed if voltage between IG1terminal (SRS-ECU, terminal 16)
and earth is lower than specified for fivesuccessive seconds ormore.
Code No.42 is displayed if voltage between IG
1terminal (SRS-ECU, terminal 13)
and earth is lower than specified for fivesuccessive seconds ormore.
However, when vehicle condition returns to normal, these codes will be
automatically erased, and the SRS warning lampwill go out. If codes No.41 and
42 are displayed together, check the battery first as vehicle may have
discharged battery.
DMalfunction of harness or connector
DMalfunction of SRS-ECU
NGOK
NG NG
OK
Replace the SRS-ECU.
Measure at SRS-ECU connector E-111.
DDisconnect the connector and measure at the harness
side.
DConnect the negative ( - ) battery terminal.
DIgnition switch: ON
DVoltage between terminal 16 and body earth (in case of
code No. 41)
OK: 9 V or more
DVoltage between terminal 13 and body earth (code No.42)
OK: 9 V or moreCheck the following connectors:D-208, D-209, D-210, E-111
Check the trouble symptoms.Repair
Check the harness wire between the SRS-ECU and the
ignition switch IG
1, and repair if necessary.
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SRS -Troubleshooting52B-14
Code No.43 SRS warning lamp drive circuit system (Lamp
does not come on.)Probable cause
This diagnosis code is output when aopencircuit is present for5 successive
seconds or more in SRS warninglampdrive circuit. However, the vehicle
condition return to normal condition, this code, if displayed due toopencircuit,
will be automatically erased.DMalfunction of harness or connector
DBlownbulb
DMalfunction of SRS-ECU
DMalfunction of combination meter
NGOK
NG
NGOK
Check the trouble
symptoms.
NG
Repair
Check the harness wires between the SRS-ECU, the
combination meter and the ignition switch IG
1.
OK
Replace the SRS-ECU.
Repair
Repair
OK
Check the following connectors:
L.H. drive vehicles: D-210, D-01, D-02, E-111
R.H. drive vehicles: D-213, D-01, D-02, E-111
SRS warning lampcheck
DConnect the negative ( - ) battery terminal.
DIgnition switch: ON
DDoeslampcome on when SRS-ECU connector E-111 is
disconnected?
OK: Lamp illuminatesNGCheck a burnt-out bulb.
Replace the combina-
tion meter.
Code No.43 SRS warning lamp drive circuit system (Lamp
does not go out.)Probable cause
This diagnosis code is output when a short to earth occurs in the harness
between the SRS warning lamp and theSRS-ECU. However, the vehicle
condition returns to normal condition, this code will be automatically erased, and
SRS warning lampwill go out.DMalfunction of harness or connector
DMalfunction of SRS-ECU
DMalfunction of combination meter
OKNG
NG
RepairNG
NO
Replace the combination meter.
SRS warning lampcheck
DConnect the negative ( - ) battery
terminal.
DIgnition switch: ON
DDoes thelamp go outwhen
combination meter connector
D-02 is disconnected?YESCheck the following connectors:
D-02, E-111Repair
Check the trouble symptoms.
OK
Replace the SRS-ECU.
Check the harness wires between
the SRS-ECU and the combination
meter.
Code No.44 SRS warning lamp drive circuit systemProbable cause
This diagnosis code is output when a short occurs in thelampdrive circuit or a
malfunction of the output transistor inside the SRS-ECU is detected while the
SRS-ECU is monitoring the SRS warninglampdrive circuit.
However, when vehicle condition returns to normal, these codes will be
automatically erased, and the SRS warning lampwill go out.DMalfunction of harness or connector
DMalfunction of SRS-ECU
Check the SRS warninglampdrive circuit system.
(Refer to P.52B-14.)OKReplace the SRS-ECU.
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Page 1517 of 1839
SRS -Troubleshooting52B-17
Code No.89, 96 Side impact sensor (R.H.) communication
systemProbable cause
These diagnosis codes are output if communication between the side impact
sensor (R.H.) and the SRS-ECU is not possible (code No.96) or abnormal (code
No.89).DMalfunction of harness or connector
DMalfunction of side impact sensor (R.H.)
DMalfunction of SRS-ECU
OK
Check the trouble symptoms.
NG
Repair
NG
RepairOK
Replace the SRS-ECU.
YES
Replace the side impact sensor (R.H.) mounted passenger’s
side.
MUT-II Self-Diag Code
DSwitch over the right side impact sensor (R.H.) and the
side impact sensor (L.H.).
DConnect the negative ( - ) battery terminal.
DErase diagnosis code memory.
Are code Nos.89 and 96 erased and code Nos.79 and 93
output?NOCheck the following connectors:F-01, E-20, E-110
NG
Check the harness wire between the side impact sensor
(R.H.) and SRS-ECU.
Code No.91 Side impact sensor (L.H.) power supply circuit
systemProbable cause
Power supply voltage of side impact sensor (L.H.) is lower than specified for five
successive seconds ormore.
However, when vehicle condition returns to normal, this code will be
automatically erased, and the SRS warning lampwill go out.DMalfunction of harness or connector
DMalfunction of side impact sensor (L.H.)
DMalfunction of SRS-ECU
Measure at side impact sensor connector F-19.
DDisconnect the connector and measure at the harness
side.
DConnect the negative ( - ) battery terminal.
DIgnition switch: ON
DVoltage between terminal 1 and body earth
OK: 9 V or moreNGCheck the following connectors:F-19, E-21, E-110
OK
Check the trouble symptoms.
NG
Repair
NG
Check the harness wire between the left side impact sensor
and the SRS-ECU.
NG
RepairOK
Replace the SRS-ECU.
OK
Replace side impact sensor (L.H.).
Code No.92, 95 Side impact sensor systemProbable cause
Code No.92 is displayed when malfunction is present inside side impact sensor
(L.H.).
Code No.95 is displayed when malfunction is present inside side impact sensor
(R.H.).
The trouble causes for each diagnosis code No. are as follows.DMalfunction of side impact sensor (L.H.)
(in case of code No.92)
DMalfunction of side impact sensor (R.H.)
(in case of code No.95)
Table 7
Code No.Defective partTrouble Symptom
92Side impact analog G-sensorD
Not working
95D
Having abnormal characteristics
D
Having abnormal output
DReplace the side impact sensor (L.H.) (in case of code No.92)
DReplace the side impact sensor (R.H.) (in case of code No.95)
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Page 1518 of 1839
SRS -Troubleshooting52B-18
Code No.94 Side impact sensor (R.H) power supply circuit
systemProbable cause
Power supply voltage of side impact sensor (R.H.) is lower than specified for
consecutive five seconds or more.
However, when vehicle condition returns to normal, this code will be
automatically erased, and the SRS warning lampwill go out.DMalfunction of harness or connector
DMalfunction of side impact sensor (R.H.)
DMalfunction of SRS-ECU
Measure at side impact sensor (R.H.) connector F-01.
DDisconnect the connector and measure at the harness
side.
DConnect the negative ( - ) battery terminal.
DIgnition switch: ON
DVoltage between terminal 1 and body earth
OK: 9 V or moreNGCheck the following connectors:F-01, E-20, E-110
OK
Check the trouble symptoms.
NG
Repair
NG
Check the harness wire between the side impact sensor
(R.H.) and SRS-ECU.
NG
RepairOK
Replace the SRS-ECU.
OK
Replace side impact sensor (R.H.).
INSPECTION CHART FOR TROUBLE SYMPTOMS
Trouble SymptomInspection procedure No(s).Reference page
Communication with the MUT-II is not
possible.152B-18
SRS warning lamp does not come on.See diagnosis code No.43.52B-14
SRS warning lamp does not go out.See diagnosis code Nos.43, 44.52B-14
INSPECTION PROCEDURES FOR TROUBLE SYMPTOMS
Inspection procedure 1
Communication with the MUT-II is not possible.
Probable cause
If communication with all other systems is not possible, there is ahigh possibility
that there is a malfunction of the diagnosis line. When only communication with
SRS air bags is impossible,open in diagnosis outputcircuit or power supply
circuit including earth circuit may be present.DMalfunction of harness or connector
DMalfunction of SRS-ECU
NG
NG
NG
Check the harness wire between the SRS-ECU and the
ignition switch IG
1, and repair if necessary.
NOCheck the MUT-II diagnosis circuit, and repair if necessary.
OK
Check the trouble
symptoms.
NG
Repair
NG
Check the harness wire between SRS-ECU and earth, and
repair if necessary.
OK
Check the trouble
symptoms.
NG
RepairOK
OK
Check the trouble
symptoms.
Check the harness wire between SRS-ECU and diagnosis
connector.
OK
Replace the SRS-ECU.
YES
(1)NG
Check the following connector:E - 111
(2), (3)
NG
Check the following connectors:
D-208, D-209, D-210, E-111
Measure at SRS-ECU connector E-111.
DDisconnect the connector and measure at the harness
side.
(1) Continuity between terminal 7 and body earth
OK: Continuity
DConnect the negative ( - ) battery terminal.
DIgnition switch: ON
(2) Voltage between terminal 13 and body earth
OK:9 V or more
(3) Voltage between (16) and body earth
OK: 9 V or more
Repair
NG
Repair
Check the following connectors:D-23, D-33, E-111
Is communication between MUT-II and other system is
possible?
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Page 1553 of 1839
52B-1
SUPPLEMENTAL
RESTRAINT
SYSTEM (SRS)
CONTENTS
GENERAL 2.................................
SRS SERVICE PRECAUTIONS 3..............
SPECIAL TOOLS 5...........................
TROUBLESHOOTING 6.......................
POST-COLLISION DIAGNOSIS 10.............
INDIVIDUAL COMPONENT SERVICE 11.......WARNING/CAUTION LABELS 11..............
SEAT BELT WITH PRE-TENSIONER 12.......
SEAT BELT PRE-TENSIONER DISPOSAL
PROCEDURES 14............................
Undeployed Seat Belt Pre-tensioner Disposal 14..
Operated Seat Belt Pre-tensioner Disposal
Procedures 18.................................
CAUTION
DCarefully read and observe the information in the SRS SERVICE PRECAUTIONS (P.52B-3.) prior to any service.
DFor information concerning troubleshooting or maintenance, always observe the procedures in the Troubleshooting
(P.52B-6.) section.
DIf any SRS components are removed or replaced in connection with any service procedures, be sure to follow the
procedures in the INDIVIDUAL COMPONENT SERVICE section (P.52B-11.) for the components involved.
DIf you have any questions about the SRS, please contact your local distributor.
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