MITSUBISHI LANCER EVOLUTION 2007 Service Repair Manual

INTERIOR -Seat52A-23
INSTALLATION SERVICE POINTS
"AAINSTALLATION OF REAR SEATBACK
ASSEMBLY/REAR SEATBACK SIDE ASSEMBLY
L.H., R.H.
Press the rear seatback assembly in the direction shown
in the illustration and fit the attachment wire into the hook
securely to install the rear seatback assembly.
"
BAINSTALLATION OF REAR SEAT CUSHION
ASSEMBLY
Fit the rear seat cushion into the rear seat hook securely.
Rear seat back
assembly
Attachment wire
Hook
Rear seat cushion
assembly
Rear seat
hook

INTERIOR -Seat52A-24
DISASSEMBLY AND REASSEMBLY
1
24
3
Removal steps
1. Rear seat cushion cover
2. Rear seat cushion pad3. Rear seatback cover
4. Rear seatback pad

INTERIOR -Seat Belt52A-25
SEAT BELT
FRONT SEAT BELT
REMOVAL AND INSTALLATION
7
1
8 34
5 6
44±10 NSm 44±10 NSm44±10 NSm
44±10 NSm
2
Outer seat belt removal steps
1. Sash guide cover
2. Seat belt lower anchor bolt connection
DCenter pillar trim, lower
(Refer to P.52A-15.)
3. Bracket
4. Seat belt shoulder anchor bolt
connection
5. Outer seat belt with pre-tensioner
6. Center pillar trim, upper
(Refer to P.52A - 15.)
7. Adjustable seat belt anchorInner seat belt removal steps
DShield cover (Refer to P.52A-20.)
8. Inner seat belt

INTERIOR -Seat belt52A-26
REAR SEAT BELT
REMOVAL AND INSTALLATION
1
1 24
44±10 NSm44±10 NSm
44±10 NSm
44±10 NSm
13
Removal steps
DRear seat cushion assembly
(Refer to P.52A-22.)
DRear seatback assembly
(Refer to P.52A-22.)
DRear shelf trim (Refer to P.52A-15.)1. Inner seat belt
2. Center seat belt, inner
3. Center seat belt, outer
4. Outer seat belt

52B-1
SUPPLEMENTAL
RESTRAINT
SYSTEM (SRS)
CONTENTS
GENERAL INFORMATION 2..................
SRS SERVICE PRECAUTIONS 3..............
SPECIAL TOOLS 5...........................
TEST EQUIPMENT 6.........................
TROUBLESHOOTING 6.......................
SRS MEINTENANCE 42......................
POST-COLLISION DIAGNOSIS 45.............
INDIVIDUAL COMPONENT SERVICE 49.......
WARNING/CAUTION LABELS 49..............SRS AIR BAG CONTROL UNIT
(SRS-ECU) 50................................
AIR BAG MODULES AND CLOCK
SPRING 52..................................
SEAT BELT PRE-TENSIONER 61..............
AIR BAG MODULE AND SEAT BELT
PRE-TENSIONER DISPOSAL
PROCEDURES 64............................
Undeployed Air Bag Module and Seat Belt
Pre-tensioner Disposal 64.......................
Deployed Air Bag Module and Seat Belt
Pre-tensioner Disposal Procedures 75............
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-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-49.) for the components involved.
DIf you have any questions about the SRS, please contact your local distributor.

SRS -General InformationSRS -General Information52B-2
GENERAL INFORMATION
To improve safety, the SRS and seat belts with
pre-tensioner. These systems enhance collision
safety by restraining the front passengers in case
of an accident. The SRS works with the
pre-tensioner simultaneously when a collision is
detected.
The SRS consists of two air bag modules, SRS
air bag control unit (SRS-ECU), SRS warning lamp
and clock spring. The air bags are located in the
center of the steering wheel, above the glove box.
Each air bag has a folded air bag and an inflator
unit. The SRS-ECU under the floor console monitors
the system and has a safing G-sensor and an
analog G-sensor. The warning lamp on theinstrument panel indicates the operational status
of the SRS. The clock spring is installed in the
steering column. The seat belt pre-tensioner is built
into the front seat belt retractor. Only authorized
service personnel should do work on or around
the SRS components and seat belt with
pre-tensioner. Those service personnel should read
this manual carefully before starting any such work.
Extreme care must be used when servicing the
SRS to avoid injury to the service personnel (by
inadvertent deployment of the air bags or
inadvertent operation of the seat belt with
pre-tensioner) or the driver (by rendering the SRS
or the seat belt with pre-tensioner inoperative).
Diagnosis
connectorFront passenger’s
air bag module
Clock spring Driver’s air bag
module
SRS-ECU
SRS warning lamp
Driver’s air bag
Front
passenger’s
air bag
Seat belt with
pre-tensioner

SRS -SRS Service Precautions52B-3
SRS SERVICE PRECAUTIONS
1. In order to avoid injury to yourself or others
from accidental deployment of the air bag and
accidental operation of the seat belt with
pre-tensioner during servicing, read and
carefully follow all the precautions and
procedures described in this manual.
2. Do not use any electrical test equipment on
or near SRS components, except those
specified on P.52B-6.
3. Never Attempt to Repair the Following
Components:
DSRS air bag control unit (SRS-ECU)
DClock spring
DDriver’s and front passenger’s air bag
modules
DSeat belt with pre-tensionerNOTE
If any of these components are diagnosed as
faulty, they should only be replaced, in
accordance with the INDIVIDUAL COM-
PONENTS SERVICE procedures in this
manual. (Refer to P.52B-49.)
4. After disconnecting the negative (–) battery cable,
wait 60 seconds at least before any service and
insulate the disconnected cable with tape. The SRS
retain enough voltage to deploy the air bags for a
short time even after the disconnection of the battery.
So, serious injury may result by accidental air bag
deployment if a work is done on the SRS just after
the disconnection of the battery.
5. Do not attempt to repair the wiring harness connectors
of the SRS. If the connector(s) are diagnosed as defective,
replace the wiring harness(es). If the harness(es) are
diagnosed as faulty, replace or repair the wiring
harness(es) according to the table that follows.
Insulating tape
Battery
SRS-ECU connector

SRS -SRS Service Precautions52B-4
SRS-ECU
Terminal No.Destination of harnessCorrective action
7Instrument panel wiring harness→EarthRepair or replace each wiring
harness
8Instrument panel wiring harness→Combination meter
(SRS warning lamp)
harness
9, 10Instrument panel wiring harness→Front passenger’s air bag
module
11 , 1 2Instrument panel wiring harness→Clock spring→Driver’s air bag
module)Repair or replace the dash wiring
harness. Replace clock spring.
13Instrument panel wiring harness→Junction block (fuse No.3)Repair or replace each wiring
harness
16Instrument panel wiring harness→Junction block (fuse No.2)
harness.
20Instrument panel wiring harness→Diagnosis connector
29, 30Floor wiring harnessàDriver’s seat belt pre-tensioner
27, 28Floor wiring harnessàFront passenger’s seat belt pre-tensioner
6. Inspection of the SRS-ECU harness connector should be carried out by the following procedure.
Insert the special tool (probe, MB991222, in the harness set) into the connector from harness side
(rear side), and connect the tester to this probe. If any tool than specified is used, damage to the
harness and other components will result. Furthermore, measurement should not be carried out by
touching the probe directly against the terminals from the front of the connector. The terminals are
plated to increase their conductivity, so that if they are touched directly by the probe, the plating
may break, which will cause drops in reliability.
MB991222 SRS-ECU harness connector
SRS-ECU harness connector (rear view)
7. SRS components and seat belt with pre-tensioner should not be subjected to hart, so remove the
SRS-ECU, driver’s and front passenger’s air bag modules, clock spring, and seat belt with pre-tensioner
before drying or baking the vehicle after painting.
DSRS - ECU, air bag module, clock spring : 93Æ
or more
DSeat belt with pre-tensioner : 90Æ
or more
8. Whenever you finish servicing the SRS, check warning lamp operation to make sure that the system
functions properly. (Refer to P.52B-6.)
9. Make certain that the ignition switch is LOCK (OFF) position when the MUT-IIis connected or
disconnected.
10. If you have any questions about the SRS, please contact your local distributor.
NOTE
SERIOUS INJURY CAN RESULT FROM UNINTENDED AIR BAG DEPLOYMENT, SO USE ONLY
THE PROCEDURES AND EQUIPMENT SPECIFIED IN THIS MANUAL.

SRS -Special Tools52B-5
SPECIAL TOOLS
ToolNumberNameUse
MB991502MUT-IIsub
assemblyDReading and erasing diagnosis codes
DReading trouble period
DReading erase times
MB991865Dummy resistorChecking SRS air bag circuit
MB991866Resistor harness
MB991613SRS check
harnessChecking SRS electrical circuitry
A
B
C
DMB991223
A: MB991219
B: MB991220
C: MB991221
D: MB991222Harness set
A: Check harness
B: LED harness
C: LED harness
adapter
D: ProbeChecking continuity and measuring voltage at
SRS-ECU harness connector
MB990803Steering wheel
pullerRemoving steering wheel
MR372530SRS air bag
adapter harnessDeploying driver’s air bag module inside
vehicle

SRS -Special Tools/Test Equipment/Troubleshooting52B-6
Tool UseName Number
MB686560SRS air bag
adapter harnessDeploying front passenger’s air bag module
inside or outside vehicle
MR203491or
MB628919SRS air bag
adapter harnessDeploying driver’s air bag module inside
vehicle
TEST EQUIPMENT
ToolNameUse
Digital multi-meterChecking SRS electrical circuitry
Use multi-meter for which the maximum test
current is 2 mA or less at minimum range of
resistance measurement
TROUBLESHOOTING
STANDARD FLOW OF DIAGNOSTIC TROUBLESHOOTING
Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points.
DIAGNOSIS FUNCTION
DIAGNOSIS CODES CHECK
Connect the MUT-IIto the diagnosis connector (16-pin) under the instrument under cover, then check
diagnosis codes.
(Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points.)
ERASING DIAGNOSIS CODE
Connect the MUT-IIto the diagnosis connector and erase the diagnosis code.
Caution
Turn off the ignition switch before connecting or disconnecting the MUT-II.
SRS WARNING LAMP CHECK
1. Check that the SRS warning lamp comes on when the
ignition switch is turned ON.
2. Check that the SRS warning lamp illuminates for about
7 seconds and then goes out.
3. If this is not the cause, check the diagnosis codes.
SRS warning lamp