1990 MITSUBISHI SPYDER clutch

ENGINE AND EMISSION CONTROL ,
CHECK AT THE ECU TERMINALS
NormalCheck conditionsTermi-nal No.
1
Check item
Clutch pedal
position switch
input
Park/neutral
position switch
input
ECU power supply
Power supply for
OD signal control
Closed throttle
position switch
output
Throttle position sensor input
Ground
output
switch input
vacuum pump
Irelease valve and
valve input
pumpelease valve and
valve input
positive
voltage
When pedal is not depressed When clutch pedal positi
on
switch is OFF
When pedal is depressed When clutch pedal position
is ON
When selector lever is in a
position other than
range
When selector lever is in
range
When park/neutral position
switch is OFF
When park/neutral
switch is
Battery positive voltage
Battery positive
voltage
When ignition switch is ON
Battery positive
When ignition switch is ON
When accelerator pedal isWhen closed throttle position
depressed switch is OFF
,
When accelerator pedal is not
When throttle position
depressedswitch is ON.
When accelerator pedal is fully depressed
When accelerator pedal is releasedov
Continuity6At all times
all times
When OD switch is ON
OD switch is OFF
OD switch is ON
OD switch is OFF
I
driving at constant
speed using the SET switch
When accelerating with the
RESUME switch while driving
constant speed
When decelerating with the
SET switch while driving at
speed
canceling Release valve open
driving with the CANCEL Control valve open
C o n t i n u i t y
positive
8
10
Battery positive
voltage
positive
voltage
positive
voltage
,
11
12
13
12
13
12
13
12
Release valve closed
Control valve open
13
TSB Revision
I

17-36ENGINE AND EMISSION CONTROL Auto-cruise Control System
RESUME switch: ON
SET switch: ON 6
CANCEL switch: ON
RESUMEswitch: ON1
SPEED-INCREASE
1. Set to the desired speed.
2. Switch ON the RESUME switch. 3. Check to be sure that acceleration continues whi le the
switch is hold, and that when it is released the co nstant
speed at the time when it was
becomes the
driving speed.
SPEED REDUCTION
1.
2.
3.
Set to the desired speed.
Switch ON the SET switch.
Check to be sure that deceleration -continues while the
switch is pressed, and that when it is released the constant
speed at the time when it was released becomes the
driving speed.
NOTE
W h e n t h e v e h i c l e s p e e d r e a c h e s t h e l o w l i m i t[approximately 40 km/h (25 mph)] during deceleratio n,
the auto-cruise control will be canceled.
RETURN TO THE SET SPEED BEFORE
CANCELLATION AND AUTO-CRUISE CONTROL
CANCELLATION
1. Set the auto-cruise speed control.
2.When any of the following operations are performed while
at constant speed during auto-cruise control, check if
normal driving is resumed and
occurs.
(1) Switch ON the CANCEL switch.
(2) The brake pedal is depressed.
(3) The clutch pedal is depressed. (M/T)
(4) The selector lever’is moved to the
range.
3.At a vehicle speed of 40 km/h (25 mph) or higher, c heck
if when the RESUME switch is switched ON, vehicle s peed
returns to the speed before auto-cruise control driving
was canceled, and constant speed driving occurs.
4. When the main switch is turned to OFF while driv ing
at constant speed, check if normal driving is resum ed
and deceleration occurs.
TSB Revision

ENGINE AND EMISSION CONTROL Auto-cruise Control System
CONTROL COMPONENT
STOP LIGHT SWITCH
MeasurementFor stop lightFor
conditionscircuitcontrol circuit
terminal No.
terminal
2314
When brake pedal
depressed.0
When brake pedal notdepressed.0 0
CLUTCH PEDAL POSITION SWITCH
Engine (Turbo) and Engine
Measurement conditions
When clutch pedal depressed.Terminal No.
12
0
When clutch pedal not depressed.
PARK/NEUTRAL POSITION SWITCH POSITION)
Engine (Turbo) and Engine>
Measurement Terminal No.Iconditions Engine (Turbo)7 8I
Engine
Selector lever is not at position
Selector lever is at
position 5
8
0
AUTO-CRUISE VACUUM PUMP (Turbo)
and
Engine>
1. Disconnect the vacuum hose from
vacuum
pump and connect a vacuum the vacuum pump.
2. Disconnect the electric vacuum pump connector.
TSB Revision

17-42ENGINE AND EMISSION CONTROL Auto-cruise Control System
CAUTION:Beforeremoval of air bag module and clock spring, refer t o the following sections:GROUP SRS Service Precautions.GROUP Air Bag Modules Clock Spring.
5.9 Nm4.3
41Nm30
2 8
Auto-cruise control switch and
clock spring
steps
27. Air bag module (Refer to GROUP
Bag
Modules and Clock Spring.)
28. Auto-cruise control
29. Steering wheel
30. Steering column upper cover
31. Steering column lower cover
l
under cover (Refer to
GROUP Panel.)
32. Clock spring (Refer to GROUP
Bag
Modules and Clock Spring.) 3 8
Sensor removal steps
33. Throttle position sensor
Engine (Turbo) and Engine>
34. Transaxle range switch
Engine (Non-turbo) 35. Park/neutral position switch Engine AA and Engine
36. Stop light switch
37. Clutch pedal position switch
Engine (Turbo) M/T and Engine 38. Vehicle speed sensor Revision

CLUTCH
CONTENTS
CLUTCH. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .
CLUTCHOVERHAUL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C O N T E N T S
CLUTCH CONTROL . . . . . . . . . . . . . . . . . . . . . . . 10
CLUTCH MASTER CYLINDER . . . . . . . . . . . . . 13
Bleeding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .‘7
Clutch Pedal Check and . . . . . . .
Interlock Switch Check and Adjustment . . . . . . . . 6
CLUTCH PEDAL
. . . . . . . . . . . . . . . . . . . . . . . . . . .8Interlock Switch Operating Check . . . . . . . . . . . . . 6
GENERAL INFORMATION2SERVICE SPECIFICATIONS. . . . . . . . . . . . . . . . .3. . . . . . . . . . . . . . . . . .
LUBRICANTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . .4
ON-VEHICLE SERVICE. . . . . . . . . . . . . . . . . . . . .5

21CLUTCH General Information
GENERAL INFORMATION
The clutch is a dry single-disc, diaphragm type;hydraulic pressure is used for the clutch control.
Items
Clutch operating method
Clutch disc type
Clutch disc facing diameter
O.D.
I.D. mm (in.)
Clutch cover type
Clutch cover setting load
Clutch release cylinder I.D. mm (in.)
Engine (Non-turbo) (Turbo)
Hydraulic type Hydraulic type
Single dry disc type Single dry disc type
225 150 (8.9 5.9)
Diaphragm spring strap
drive type Diaphragm spring strap
drive type
4,400 (989) 6,174 (1,388)
22.23
20.64
Clutch hose
Clutch release cylinder
EngineI
NOTE
This figure shows Engine (Turbo).
Revision
Clutch master cylinder
Pedal support bracket

CLUTCH Service Specifications/Lubricants
SERVICE SPECIFICATIONS
Clutch pedal height mm (in.)
Clutch pedal
pin play mm (in.)
Clutch pedal free play mm (in.) Distance between the clutch pedal and
the
when the clutch is disengaged mm (in.)
LUBRICANTS
Standard value
6-13
70 (2.76) or more
Items
Clutch fluid
Push rod assembly
Boot
Specified lubricants
Brake Fluid DOT 3 or DOT 4
Rubber grease
Q u a n t i t y
A s r e q u i r e d
As required
Release cylinder push rod MITSUBISHI genuine grease
Part No. 0101011 or equivalentAs required
Clutch pedal shaft, bushings and end of the Brake grease SAE
No. 1As required
pedal
Clutch master cylinder push rod, pin
and washer
Clutch release cylinder
pin
Revision