1990 MITSUBISHI SPYDER Service Repair Manual

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Page 617 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE (TURBO)
AND
ENGINE> Troubleshooting
INSPECTION PROCEDURE 50
Check the ignition signal circuit.
lDisconnect the connector and measure at the harness
side.
lVoltage between 5

Page 618 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE (TURBO)
AND
ENGINE>
DATA LIST REFERENCE TABLE
Item No.
1 1
12
13
14
16
18
21
22
Inspection item
Heated oxygen sensor (Front)
Volume air flow sensor
Intake air temperature sen

Page 619 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE (TURBO)
AND ENGINE>
Caution
1. Always apply the brakes when shifting the select or lever to ran&, or vehicle will
forward.
2. Driving tests always need another personnel

ENGINE (TURBO)
AND ENGINE>
Caution
1. Always apply the brakes when shifting the select or lever to ran&, or vehicle will
forward.
2. Driving tests always need another personnel.
NOTE
In a new vehicle [driven approximately 500 km (300 mile) or less], the volume air sensor output
is sometimes 10 higher than the standard frequency.
The injector drive time represents the time when the cranking speed is at 250 or below when the
supply voltage is 11 V.
In a new vehicle [driven approximately 500 km (300 mile) or less], the injector drive time is sometimes
longer than the standard time.
Fuel is injected into all cylinders simultaneously.
In a new vehicle [driven approximately km (300 mile) or less], the step of the stepper mo tor is sometimes
30 steps greater than the standard value.
If the throttle position sensor voltage rises 100 from the voltage when the engine is at idle and th e
closed throttle position switch turns from on to of f at this time, the sensors are normal. If the throttle position
sensor voltage rises 100
from the voltage when the engine is at idle, the t hrottle valve opens, and the
closed throttle position switch turns from on to of f at this, time, the sensors should be adjusted.
Item Inspection
No.item
Inspection contents Normal contentsInspection
procedure page
11HeatedEngine: WarmWhen at 4000 200 or Code No.
gen sensor engine is suddenly(Air/fuel mixture is 30
(Front)
made leaner
when decelerat- ing, and is made
richer when
When engine is
suddenly raceding.)
Engine: Warm Engine is idling
400 or
(The heated 1,000 ,gen sensor signal(Changes)
is used to check
2,500
the air/fuel mix-
ture ratio.)
Volume airl Engine coolant Engine is idling 22-46 Hz’
flow sensortemperature(4.3-5.3 g/s)
(Mass airl
Lights,electric
flow rate) cooling fan and all Engine
accessories: OFF(Turbo)>
l Transaxle: Neutral Hz
range)(1 g/s)
2,500
Engine is raced
Hz
(9.8-12.1
Engine,
Hz ,
Engine>
Frequency (or air
flow volume) in
creases
re- ,
sponse to racing.
TSB Revision

Page 620 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual E N G I N E .
AND ENGINE> Troubleshooting
Item InspectionInspection contentsNormal contents
No. itemInspection
‘ p r o c e d u r e
No., ,
13Intake airIgnition switch: ON orIntakeA tCode

Page 621 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE (TURBO)
AND
ENGINE>
Inspection
No. item
Inspection contents Normal contentsInspection
p r o c e d u r e p a g e
No.
22
Crankshaftl Engine: Idle
Engine At Code No. position l Clo

Page 622 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual E N G I N E
AND ENGINE>. . .
Item Inspection
No. item
41Injectors**Inspection contents
Engine: Cranking
procedure
When engine
a n t t e m p e r a t u r e
Engine>
When engine cool-

Page 623 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual E N G I N E ( T U R B O ) .AND ENGINE>
Inspection
No.item
Inspection contents , . N
O.
55 motorl Engine coolantA/C switch: OFFIncreases by
positiontemperature:
sor80 (176
Engine>
l

Page 624 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE (TURBO)
AND
ACTUATOR TEST REFERENCE TABLE
iter
NoDrive contents inspection contents Normal condition
Inspection
iteminspection
No.
Code01
02
Cut fuel to
injector Idle speed drops
equa

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