check engine MITSUBISHI SPYDER 1990 Service Repair Manual

S T E E R I N G
POWER PRESSURE
Shut-off valve
Pressure
2.
3.
4.
Disconnect the from bump, and
then connect the special tools. Bleed the air, and then turn the
times while the is-not
ture of the fluid rises to
The engine should be idling.
5.
Disconnect the connection of the connector for the pres-
sure switch, and place an ohmmeter in position.
Gradually close the shut-off valve of the pressure gauge
and increase the hydraulic pressure then check
or not the hydraulic pressure that activates the sw itch
is the standard value.
Standard value:
(213-284 psi)
6.Gradually open the shut-off valve and reduce the hy draulic
pressure; then check whether or not the hydraulic p ressure
that deactivates the switch is the standard value.
Standard value: 0.8
(114 psi) or less
8.
Remove the special tools, and tighten’ the pressure
hose to the specified torque.
Bleed the, system.
NOTEl l or 217 Engine and (Non-turbo)>
l 2: Enaine (Turbo) and Engine> Engine (Non-turbo)>
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STEERING Power Steering Gear.
POWER STEERING GEAR BOX
REMOVAL AND INSTALLATION
Engine (Non-turbo)>
Pre-removal OperationPower Steering Fluid Draining (Refer to Stabilizer Bar Removal (Refer to GROUP Stabilizer Bar.)l Washer Tank Removal(Refer to GROUP 51 Windshield Wiper andWasher.)
tive, risking serious driver injury.
Nm Nm Nm51-58
3720039007~
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Removal steps
1. Joint assembly and gear boxconnecting bolt2. Power steering pipe connection
3. Cotter pin
4. Tie rod end and knuckle connec-
tion5. Stay (L.H.)
6. Stay (R.H.) Post-installation
lStabilizer Bar Installation (Refer to GROUP Stabilizer Bar.)lWasher Tank (Refer to GROUP Windshield Wiper and Washer.),lPower Steering Fluid l
Power Steering Fluid Line Bleeding (Refer to
l Wheel Position with Wheels StraightAhead Checkingl Front Wheel Alignment Adjustment
(Refer to GROUP On-vehicle Service.)
6951
7. Center member assembly
8. Clamp
Gear box assembly
CautionThe fasteners marked should be temporarily tightened
before they are finally tightened once the total we ight of
the engine has been placed on the vehicle body.

STEERING Power Steering Gear
Engine (Turbo) and Engine>
CAUTION: SRSBefore removal of steering gear box, GROUP General Information, center front wheels and
remove ignition key. Failure to do so may damage
SRS clock spring and render SRS system inopera-
tive, risking serious driver injury.
Post-installationlStabilizer Bar Installation (Refer to GROUP Stabilizer Bar.)l Drive-belt Tension Adjustment Engine (Turbo): On-vehicle Engine; Refer to On-vehicle
l Fluid Supplying l Fluid (Refer to
.
l ‘Wheel Position Ahead Checking lFront Alignment Adjustment(Refer to GROUP
1523-26 Nm
24-33 Nm
Removal steps
1. Brake fluid reservoir assembly
2. A/C compressor3. Joint assembly and gear box bolt 24-33 Nm4. Power pipe connection
5. pin
6. Tie rod end and knuckle
tion
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STEERING Power Steering OilPump Engine,
POWER STEERING OIL PUMP
. . . .
REMOVAL AND INSTALLATION
On-vehicle Service.)l Power Fluid Line Bleeding (Refer to l
Oil Pump Pressure Check to
39 Nm
29
57 Nm
.
39 Nm29
Removal steps
1. Drive-belt
2. Suction hose
3. Pressure hose
4. Gasket
uc ion ose
5. Pressure switch connector 6. Oil pump assembly 7. Oil pump bracket
REMOVAL SERVICE
Caution
A/C is below oil A/C
compressor with a before hose.
.
,
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STEERING Power Steering Oil Pump Engine (Non-turbo)>
Punch mark
Snap ring
Direct round edgeto the cam rina
ROTOR INSTALLATION
install the rotor to the shaft so that rotor’s punch mark
is at the pump cover side.
SNAP RING INSTALLATION
(1) Install the snap ring with the snap ring plier.
(2) After installation of snap ring, lift the rotor and check
that the snap ring has entered the countersunk part .
CAM RING INSTALLATION
Install the cam ring with the punch mark facing the pump
cover.
VANE INSTALLATION
Install the vanes on the rotor, paying close attention to the
installation direction.
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STEERING Power Steering Pump Engine (Turbo) and Engine>
Suction
REMOVAL SERVICE POINT
SUCTION’ HOSE/PRESSURE HOSE
Caution
Generator is below the oil pump,
with a shop towel before removing of, the ‘hoses.
INSTALLATION SERVICE POINT
PRESSURE HOSE INSTALLATION
Connect the pressure hose so that its notch part co ntacts
the suction connector.
INSPECTION
l Check the drive-belt for
lCheck the pulley assembly for rdtation.
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S T E E R I N G ower Steering Oil Pump Engine (Turbo) and Engine>
INSPECTION
l Check the flow control valve for
Check the pulley assembly for wear or damage.
l Check the groove of rotor and vane for “stepped” we ar.
l Check the contact surface of cam ring and vanes for
“stepped” wear.
l Check the vanes for damage.
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INTERIOR Front Seat Belt
INSPECTION CHART FOR TROUBLE SYMPTOM
Trouble symptom
Communication with
tool is not
possible. Communication with all systems is not
possible.
Communication with one-shot pulse
input signal only is not possible.
When the seat belts are not fastened and the igniti on switch is turned to the ON
position, the seat belt warning buzzer does not sou nd and the seat belt warning
light does not illuminate nor flash.
When the seat belts are not fastened and the igniti on switch is turned to the ON
position, the seat belt warning light illuminates o r flashes, but the seat belt warn-
ing buzzer does not sound.
When the seat belts are not fastened and the igniti on switch is turned to the ON
position, the seat belt warning buzzer sound, but t he seat belt warning light does
not illuminate nor flash.
After having the ignition switch turned to the ON p osition, the seat belt warning
buzzer does not stop sounding for six seconds, even though the seat belt is
buckled immediately.
INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
INSPECTION PROCEDURE 1
I n s p e c t i o n R e f e r e n c e
p r o c e d u r e N o .
2
3
4
5
Communication with scan tool is not possible.
(Communication with all systems is not possible.) Probable cause
[Comment] Malfunction of connector
The cause is probably in the defective power supply system (including ground) for
l Malfunction of harness
the diagnostic line.
Refer to GROUP
-Troubleshooting Engine (Non-Turbo)>
Refer to GROUP
Troubleshooting Engine (Turbo) and Engine>
INSPECTION PROCEDURE 2
Communication with scan tool is not possible. Probab le cause
(Communication with the one-shot pulse input signal only
is not possible.)
[Comment]l Malfunction of connectorThe cause is probably a defective one-shot pulse in put circuit system of the diagnosticl Malfunction of harness wireline.l Malfunction of ETACS-ECU
OK NG Check the following connectors: Repairdata link connector and junction block. and
NGOK
RepairCheck trouble symptom.
N G
Replace the EATCS-ECU.
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CONTENTS
AIR CONDITIONING SWITCH . . . . . . . . . . . . . . 23
LUBRICANTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
BLOWER ASSEMBLY AND RESISTOR*
. . . .26
COMPRESSOR AND TENSION PULLEY
ENGINE (NON-TURBO)>.. . . . . . . . . . . .38
COMPRESSOR AND TENSION PULLEY
ENGINE (TURBO) AND ENGINE>
ON-VEHICLE SERVICE. . . . . . . . . . . . . . . . . . . . .8
Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Compressor Noise Check. . . . . . . . . . . . . . . . . . . .16
Compressor Drive Belt Adjustment . . . . . . . . . . . .9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31Dual Pressure Switch Check. . . . . . . . . . . . . . . . . .9
Handling Tubing and Fittings. . . . . . . . . . . . . . . . .15
CONDENSER AND CONDENSER
46Idle-up Operation Check. . . . . . . . . . . . . . . . . . . . .17FAN MOTOR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Magnetic Clutch Test. . . . . . . . . . . . . . . . . . . . . . . . .9
COOLING UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
GENERAL INFORMATION3. . . . . . . . . . . . . . . . . .
Performance Test. . . . . . . . . . . . . . . . . . . . . . . . . . .14
Power Relay Check . . . . . . . . . . . . . . . . . . . . . . . . .17
Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . .4Receiver Drier Test. . . . . . . . . . . . . . . . . . . . . . . . . .9
. . . . . . . . . . . . . . . . . . . . .15HEATER CONTROL ASSEMBLY*19Refrigerant Leak Repair. . . . . . . . . .
Sight Glass Refrigerant Level Test . . . . . . . . . . . .8
HEATER UNIT AND HEATER CORE*. . . . . . . 24CONTINUED ON NEXT PAGE
WARNINGS REGARDING SERVICING OF SUPPLEMENTAL RESTRA
INT SYSTEM (SRS) EQUIPPED VEHICLES
WARNING!
(1)
improperservice or maintenance of any component of the SRS, or any SRS-related component, can lead to
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 Supplemental straint System (SRS) and GROUP 00 Maintenance Service before beginning any service or maintenance of any com-
ponent of the SRS or any SRS-related component.
N O T EThe SRS includes the following components: SRS ECU, SRS warning light, air bag module, clocksprin g and interconnecting wiring.Other components (that may have to be removed/installed in connection with SRS service or maintenance) are indi-
cated in the table of contents by an asterisk(*).

HEATER, AIR
AND VENTILATION Troubleshooting
Trouble
symptomProblem cause
Remedy
ReferencepageEngine Engine’
(Non-turbo)(Turbo) and Engine
When the A/C isRefrigerant leak
Replenish the refrigerant and 0o p e r a t i n g , t e r n -pair the leakperature inside
the passengerDual pressure switch is Replace the dual pressure switch55-45
compartmenttive
(no cool air).Fin sensor is defective
Replace the fin sensor
Refrigerant temperature switch Replace the refriger ant tempera-
is defective Engine (Tur-
ture switch
bo) and
Engine>
Automatic compressor-ECM Replace the automatic
55-26is defectivesor-ECM
Blower-motor/fan Blower moter relay is
Replace the blower moter relay55-1755-17inoperativetive
Blower fan and motor is Replace the blower fan and motor55-26
Resistor (for blower motor) is
Replace the resistor55-26
defective
Blower switch is defective Replace the blower switch
55-2255-22
Blower fan and Short circuit of the harness Repair the harness
motor keeps
between the blower fan and
ningmotor and the blower switch
Blower switch is defective Replace the blower switch
55-2255-22
Blower relay is defective
Replace the blower moter relay 55-1755-17
the A/C is Condenser fan motor is Replace the condenser fan motor55-47 55-46
fan Condenser fan relay (LO) is
Replace the condenser fan relay 55-18
defective
Condenser fan relay (HI) is Replace the condenser fa n relay55-1855-18
defective
INSPECTION AT THE AUTOMATIC COMPRESSOR-ECM TERMINAL
Engine (Turbo) and Engine>
Terminal No.Name of Signal Check requirementsTerminal voltage
1Automatic compressor-ECM power The ignition switch, blower switch Battery positive
supply (output side) and A/C switch are all ON
v o l t a g e
2Automatic compressor-ECM power
supply (input side)
The ignition switch,
and switch are all ON Batteryvoltage
3A u t o m a t i c c o m p r e s s o r - E C M g r o u n d o v
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