Mitsubishi Eclipse / Eclipse Spyder (2000-2002). Service and repair manual — part 187
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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-447
VAF
SENSOR
12
Volume air
flow sensor
(mass air
flow rate)
*5
•
Engine
coolant
temperature
: 80
−
95
°
C
(176
−
203
°
F)
•
Lights,
electric
cooling fan
and all
accessories
: "OFF"
•
Transaxle:
neutral (A/T:
"P" range)
Engine is idling 12
−
38 HZ
(1.7
−
4.2 g/s)
-
-
2,500 r/min
55
−
95 Hz (7.9
−
12.1 g/s)
Engine is
revved
Frequency (or
air flow
volume)
increases in
response to
revving
CRANK
SENSOR
22
*6
Crankshaft
position
sensor
*1
•
Engine: cranking
•
Tachometer: connected
Engine speeds
displayed on
the scan tool
and
tachometer are
identical.
Code No.
P0335
Engine: idling
Engine coolant
temperature is
-20
°
C (-40
°
F)
1,275
−
1,475
r/min
Engine coolant
temperature is
0
°
C (32
°
F)
1,220
−
1,420
r/min
Engine coolant
temperature is
20
°
C (68
°
F)
1,100
−
1,300
r/min
Engine coolant
temperature is
40
°
C (104
°
F)
930
−
1,130
r/min
Engine coolant
temperature is
80
°
C (176
°
F)
600
−
800
r/min
MUT-II SCAN
TOOL
DISPLAY
ITEM
NO.
INSPECTION
ITEM
INSPECTION REQUIREMENT
NORMAL
CONDITION
INSPECTION
PROCEDURE
NO.
REFERENCE
PAGE
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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-448
ECT
SENSOR
21
*6
Engine
coolant
temperature
sensor
Ignition switch:
"ON" or with
engine running
Engine coolant
temperature is
-20
°
C (-4
°
F)
-20 deg C
(-4 deg F)
Code No.
P0115,
P0116,
P0117
Engine coolant
temperature is
0
°
C (32
°
F)
0 deg C
(32 deg F)
Engine coolant
temperature is
20
°
C (68
°
F)
20 deg C
(68 deg F)
Engine coolant
temperature is
40
°
C(104
°
F)
40 deg C
(104 deg F)
Engine coolant
temperature is
80
°
C (176
°
F)
80 deg C
(176 deg F)
ENGINE
LOAD
87
*6
Calculation
load value
•
Engine:
warming up
Engine is idling 12
−
32%
-
-
2,500 r/min
10
−
30%
HO2S
BANK1
S1
A1
*
6
Heated
oxygen
sensor (front)
Engine:
Warming up
(air/fuel
mixture is
made leaner
when
decelerating,
and is made
richer when
revving.)
When at 4000
r/min, engine is
suddenly
decelerated
0.2 V or less
→
0.6
−
1 V (After
several
seconds have
elapsed)
Code No.
P0130,
P0133,
P0134
,
,
Engine:
Warming up
(the heated
oxygen sensor
signal is used
to check the
air/fuel mixture
ratio, and
control
condition is
also checked
by the ECM
<M/T> or PCM
<A/T>)
Engine is idling Voltage
changes
repeatedly
between 0.4 V
or less and 0.6
−
1 V.
2,500 r/min
HO2S
BANK1
S2
A2
*
6
Heated
oxygen
sensor (rear)
Engine:
warming up
Revving
0 and 0.6
−
1 V
alternate.
Code No.
P0136,
P0139
,
MUT-II SCAN
TOOL
DISPLAY
ITEM
NO.
INSPECTION
ITEM
INSPECTION REQUIREMENT
NORMAL
CONDITION
INSPECTION
PROCEDURE
NO.
REFERENCE
PAGE
![](/vehicles/winoney/isene/butrele/czedeceed.png)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-449
IAT
SENSOR
13
*6
Intake air
temperature
sensor
Ignition switch:
"ON" or with
engine running
Intake air
temperature is
-20
°
C (-4
°
F)
-20 deg C
(-4 deg F)
Code No.
P0111
Intake air
temperature is
0
°
C (32
°
F)
0 deg C
(32 deg F)
Intake air
temperature is
20
°
C (68
°
F)
20 deg C
(68 deg F)
Intake air
temperature is
40
°
C (104
°
F)
40 deg C
(104 deg F)
Intake air
temperature is
80
°
C (176
°
F)
80 deg C
(176 deg F)
IG.
TIMING
ADV
44
*6
Ignition coils
and ignition
power
transistor
•
Engine:
warming up
•
Timing light
is set (to
check actual
ignition
timing)
Engine is idling 2 -18 deg
-
-
2,500 r/min
22
−
42 deg
LONG
TRIM B1
81
*6
Long-term
fuel trim
Engine: warming up, 2,500
r/min without any load (during
closed loop)
-12.5
−
12.5%
Code No.
P0171,
P0172
,
SHORT
TRIM B1
82
*6
Short-term
fuel trim
Engine: warming up, 2,500
r/min without any load (during
closed loop)
-25
−
16.8%
Code No.
P0171,
P0172
,
SYS.
STATUS
B1
88
*6
Fuel control
condition
Engine:
warming up
2,500 r/min
Closed loop
-
-
When engine
is suddenly
revved
Open circuit
−
drive condition
TP
SENSOR
8A
*
6
Throttle
position
sensor
Ignition switch:
"ON"
Set to idle
position
0.535
−
0.735
V (0
−
1%)
Code No.
P0121,
P0122,
P0123
Gradually open Increases in
proportion to
throttle
opening angle
Open fully
4.5
−
5.5 V
(80
−
100%)
MUT-II SCAN
TOOL
DISPLAY
ITEM
NO.
INSPECTION
ITEM
INSPECTION REQUIREMENT
NORMAL
CONDITION
INSPECTION
PROCEDURE
NO.
REFERENCE
PAGE
![](/vehicles/winoney/isene/butrele/jese.png)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-450
ACTUATOR TEST REFERENCE TABLE
M1131009000057
VAF
SENSOR
12
*6
Volume air
flow sensor
(mass air
flow rate)
*5
•
Engine
coolant
temperature
: 80
−
95
°
C
(176
−
203
°
F)
•
Lights,
electric
cooling fan
and all
accessories
: "OFF"
•
Transaxle:
neutral (A/T:
"P" range)
Engine is idling 1.7
−
4.2 gm/s
-
-
2,500 r/min
10
−
30 gm/s
Engine is
revved
Frequency (or
air flow
volume)
increases in
response to
revving
VSS
24
*6
Vehicle
speed sensor
Drive at 40 km/h (25 mph).
Approximately
40 km/h (25
mph)
Code No.
P0500
<M/T>
<A/T>
MUT-II SCAN
TOOL
DISPLAY
ITEM
NO.
INSPECTION
ITEM
INSPECTION REQUIREMENT
NORMAL
CONDITION
INSPECTION
PROCEDURE
NO.
REFERENCE
PAGE
MUT-II
SCAN
TOOL
DISPLAY
ITEM
NO.
INSPECTION
ITEM
DRIVE
CONTENTS
INSPECTION REQUIREMENT
NORMAL
CONDITION
INSPECTION
PROCEDURE
NO.
REFERENCE
PAGE
EGR
SOLEN
OID
10
EGR
solenoid
Solenoid
valve turns
from OFF to
ON.
Ignition switch: "ON"
Clicks when
solenoid
valve is
driven.
Code No.
P0403
EVAP
PURGE
SOL
08
Evaporative
emission
purge
solenoid
Solenoid
valve turns
from OFF to
ON.
Ignition switch: "ON"
Clicks when
solenoid
valve is
driven.
Code No.
P0443
EVAP
VENT
SOL
29
Evaporative
emission
ventilation
solenoid
Solenoid
valve turns
from OFF to
ON.
Ignition switch: "ON"
Clicks when
solenoid
valve is
driven.
Code No.
P0446
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