steering wheel MITSUBISHI LANCER EVOLUTION 2007 Service Workshop Manual

ABS <4WD> -Troubleshooting35B-22
DATA LIST REFERENCE TABLE
The following items can be read by the MUT-IIfrom the ABS-ECU input data.
1. When the system is normal
Item No.Check itemChecking requirementsNormal value
11Front-right wheel speed sensorPerform a test runVehicle speeds
displayedonthe
12Front-left wheel speed sensor
displayedonthe
speedometer and
MUTIIareidentical13Rear-right wheel speed sensorMUT-IIareidentical.
14Rear-left wheel speed sensor
21Power supply voltageIgnition switch: ON10 - 16 V
29Parking brake switchPull the parking brake lever.ON
Release the parking brake lever.OFF
36Stop lamp switchDepress the brake pedal.ON
Release the brake pedal.OFF
37Steering wheel sensor neutral
position learningAfter driving straightly with vehicle speed more
than 10km/hON
Before driving with ignition switch ONOFF
71Lateral G sensorWhen vehicle stops2.4 - 2.6 V
When vehicle drives1.0 - 4.0 V
74Steering wheel sensor (ST-N)Ignition switch: ONSteering:
Neutral position and
position near by±
360_ON
Steering:
Except for aboveOFF
75Steering wheel sensor (ST-1)Ignition switch: ONSteering:
Turnlaterallyslowly
Display ON and OFF
alternately
76Steering wheel sensor (ST-2)
Turnlaterallyslowlyalternately
86Steering degreeIgnition switch: ON
Steering wheel sensor
tlitili
Steering: Steer by
90_to the right+90_
g
neutral position learning
is finished (service data
N37di lON)
Steering: NeutralOFF(
No. 37 displays ON)Steering: Steer by
90_to the left-90_
2. When the ABS-ECU shut off ABS operation
When the diagnosis system stops the ABS-ECU, the MUT-IIdisplay data will be unreliable.

ABS <4WD> -Troubleshooting35B-24
CHECK AT ABS-ECU
Use the following steps to remove the connector cover and
measure the terminal voltage.
1. Move the lock lever of the ABS-ECU connector as shown
in the illustration, and then disconnect the ABS-ECU
connector.
2. Push up and unlock the hooks of the ABS-ECU connector
shown in the illustration, then remove the connector cover.
TERMINAL VOLTAGE CHECK CHART
1. Measure the voltage between each terminal and earth
(terminal No.12).
2. The terminal layout is shown in the illustration.
Terminal No.Check itemChecking requirementsNormal condition
1Parking brake switch
input
Parking brake switch: ON1 V or less
input
Parking brake switch: OFFSystem voltage
2MUT-IIWhen the MUT-IIis connectedSerial communication with MUT-II
When the MUT-IIis not connected1 V or less
3ABS ON output to
4WD ECU
With ABS active (reference)(0.5 V or less)
4WD-ECU
With ABS not activeSystem voltage
4Steering wheel sensor
(ST-N) inputIgnition
switch: ONSteering wheel: Neutral
position and position
near by±360_0.8 - 2.1 V
Steering wheel: Except
for above2.7 - 4.4 V
5Diagnosis changeover
input
When the MUT-IIis connected0V
input
When the MUT-IIis not connectedApprox. 12 V
Lock lever

ABS <4WD> -Troubleshooting35B-25
Terminal No. Normal conditionChecking requirements Check item
10ABS-ECU power
supply
Ignition switch: ONSystem voltage
supply
Ignition switch: START or ACC0V
11Solenoid valve power
supplyAlwaysSystem voltage
14Lateral G sensor inputIgnition switch: ON2.4 - 2.6 V (horizontal position)
15Longitudinal G sensor
earthAlways0V
17Steering wheel sensor
(ST-2) inputIgnition
switch: ONSteering wheel: Turn
laterallyVariation in the voltage value 0.8 -
2.1 V and 2.7 - 4.4 V
18Wheel speed sensor
(front right) outputMoving forward slowly0-5V
19Stop lamp monitor
input
Ignition
switch:ON
Stop lamp switch: ONSystem voltage
inputswitch:ON
Stop lamp switch: OFF1 V or less
20Wheel speed sensor
(rear left) outputMoving forward slowly0-5V
21Wheel speed sensor
(rear right) outputMoving forward slowly0-5V
24Lateral G sensor earthAlways0V
25Longitudinal G sensor
inputIgnition switch: ON2.4 - 2.6 V (horizontal position)
26Steering wheel sensor
(ST-1) inputIgnition
switch: ONSteering wheel: Turn
laterallyVariation in the voltage value 0.8 -
2.1 V and 2.7 - 4.4 V
27ABS warning lamp
transistor outputIgnition
switch: ONWhen the lamp is
switched off1 V or less
When the lamp is
illuminated7 V or more
32Wheel speed sensor
(front left) outputMoving forward slowly0-5V
33Motor power supplyAlwaysSystem voltage

ABS <4WD> -G Sensors and Steering Wheel Sensor35B-35
G SENSORS AND STEERING WHEEL
SENSOR
REMOVAL AND INSTALLATION
Refer to GROUP 22 - Sensor, Switch and Relay.
Parking brake lever
Lateral G sensorLongitudinal G sensor
Steering wheel sensor

37A-1
STEERING
CONTENTS
GENERAL INFORMATION 2..................
SERVICE SPECIFICATIONS 4.................
LUBRICANTS 4..............................
SEALANT 4..................................
SPECIAL TOOLS 4...........................
ON-VEHICLE SERVICE 7.....................
Steering Wheel Free Play Check 7..............
Steering Angle Check 7........................
Tie Rod End Ball Joint Turning Torque Check 7..
Stationary Steering Effort Check 8...............
Checking Steering Wheel Return to Centre 8.....
Drive Belt Tension Check 8.....................Power Steering Fluid Level Check 9.............
Power Steering Fluid Replacement 9.............
Power Steering System Bleeding 9..............
Oil Pump Pressure Test 10.....................
Power Steering Oil Pressure Switch Check 11....
Ball Joint Dust Cover Check 11.................
STEERING WHEEL* 12.......................
STEERING SHAFT* 14.......................
POWER STEERING GEAR BOX AND
LINKAGE* 16................................
POWER STEERING OIL PUMP 29............
POWER STEERING OIL HOSES 30...........
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 may have to be removed/installed in connection with SRS service or maintenance) are
indicated in the table of contents by an asterisk (*).

STEERING -General Information37A-2
GENERAL INFORMATION
The system has been equipped with the MOMO
leather 3-spoke-type steering wheel with built-in
SRS airbag.
The steering column is equipped with tilt steering
mechanism.
The power steering is an integral rack and piniontype that combines the steering gear and linkage
into one light-weight and compact assembly.
The steering system uses a vane oil pump with
a fluid flow control system, so that steering effort
varies with engine speed.
ItemLancer EVOLUTION-
Steering wheelTypeMOMO 3-spoke typeg
Outside diameter mm380 ,
365
Maximum number of turns2.1
Steering columnColumn mechanismTilt steering
Power steering typeIntegral type
Oil pumpTypeVariable capacity type (vane pump)pp
Basic discharge amount cm3/rev.9.6
Relief pressure MPa8.3 - 9.0
Reservoir typeSeparate type
Pressure switchEquipped
Steering gear and linkageTypeRack and pinionggg
Stroke ratio (Rack stroke/Steering wheel
Maximum turning radius)68.61
Rack stroke mm146
Steering angleInner wheel32°gg
Outer wheel (for reference)27°
Power steering fluidSpecified lubricantsAutomatic transmission fluid DEXRON IIg
Quantity LApproximately 1.0

STEERING -General Information37A-3
CONSTRUCTION DIAGRAM
Reservoir tank
Reservoir tank

Steering gear and linkage Return hose
Suction hose
Pressure hoseSteering wheel
Steering column and shaft
Oil pump
assembly

Steering gear
and linkage Return hose
Suction hose
Pressure hoseSteering wheel
Steering column and shaft
Oil pump
assembly
Cooler tube
Cooler tube

STEERING -Service Specifications/Lubricants/Sealant/Special Tools37A-4
SERVICE SPECIFICATIONS
ItemsStandard valueLimit
Steering wheel free play mmwhen engine running-30 or less
with engine stopped0-10-
Steering angleInner wheel31_45’±1_30’-
Outer wheel 27_15’-
Ball joint turning torque N·m1.0 - 3.0-
Stationary steering effort NSteering effort32 or less-
Fluctuation allowance6.0 or less-
Oil pump relief pressure MPa8.4 - 9.0-
Pressure under no-load conditions MPa0.2 - 0.8-
Steering gear retention hydraulic pressure MPa8.4 - 9.0-
Oil pressure switch operating
pressureMPa
OFF→ON1.8 - 2.4-
pressure MPaON→OFF1.0 - 2.4-
Total pinion torque N·mTotal rotation torque0.8 - 1.8-
Torque variation0.49 or less-
Tie rod joint swing resistance N (Tie rod joint swing torque N·m)8 - 27 (1.5 - 4.9)-
Opening dimension of special tool (MB991561) mm2.9-
Band crimped width mm2.4 - 2.8-
LUBRICANTS
ItemsSpecified lubricantQuantity
Power steering fluidAutomatic transmission fluid DEXRONIIApprox. 1.0 L
Tie rod bellowsSilicone greaseAs required
Pinion and valve assemblyRepair kit greaseAs required
Rack assembly
SEALANT
ItemsSpecified sealantRemarks
Toe boad (steering shaft cover
mounting bolt hole)3M ATD Part No. 8513 or equivalentDrying sealant
Rack support cover end plug3M ATD Part No. 8661, 8663 or equivalentSemi-drying sealant
SPECIAL TOOLS
ToolNumberNameUse
MB990635,
MB991113 or
MB991406Steering linkage
pullerDisconnection of tie rod end

STEERING -Special Tools37A-5
Tool UseName Number
MB991006Preload socketMeasurement of the total pinion torque
MB990326Preload socketMeasurement of the ball joint turning torque
MB990993Power steering oil
pressure gauge
adapter (pump
side)Measurement of oil pressure
MB990994Power steering oil
pressure gauge
adapter (hose
side)
MB990662Oil pressure gauge
assemblyMeasurement of oil pressure
MB991204Torque wrench
socketDAdjustment of rack support
DRemoval of rack support cover
MB990784Ornament removerRemoval of steering wheel cover

MB990803Steering wheel
pullerDisconnection of the steering wheel
MB991199Oil seal and
bearing installerDPress fitting of rack housing bearing
DTo press in the oil seal for the rack

STEERING -On-vehicle Service37A-7
ON-VEHICLE SERVICE
STEERING WHEEL FREE PLAY CHECK
1. With engine running (hydraulic operation), set front wheels
straight ahead.
2. Measure the play on steering wheel circumference before
wheels start to move when slightly moving steering wheel
in both directions.
Limit: 30 mm or less
3. When play exceeds the limit, check for play on steering
shaft connection and steering linkage. Correct or replace.
4. If the free play still exceeds the limit value, set steering
wheel straight ahead with engine stopped. Load 5 N
towards steering wheel circumference and check play.
Standard value: 0 - 10 mm
5. If the play exceeds the standard value, remove steering
gear box and check total pinion torque. (Refer to
P.37A-17.)
STEERING ANGLE CHECK
1. Locate front wheels on turning radius gauge and measure
steering angle.
Standard value:
Inner wheel31_45’±1_30’
Outer wheel27_15’
2. When the angle is not within the standard value, the
toe-in is probably incorrect. Adjust the toe-in.
Standard value: 0±2mm
Adjust the toe-in by undoing the clip and lock nut, and
turning the left and right tie rod turnbuckles by the same
amount (in opposite directions).
3. Recheck the steering angle.
TIE ROD END BALL JOINT TURNING TORQUE
CHECK
1. Disconnect tie rod and knuckle with special tool.
Caution
(1) Loosen the nut of the special tool, but do not
remove it. If it is removed, the ball joint thread
may be damaged.
(2) Tie the special tool with a cord so as not to fall
off.
Clip
Lock nut
Cord
Ball jointNutMB990635,
MB991113 or
MB991406