Mitsubishi Eclipse. Manual — part 631
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-1067
ENGINE
SPEED
22
*6
Crankshaft
position
sensor
(engine
speed)
*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
(
−4°F)
1,300
− 1,500
r/min
Engine
coolant
temperature
is 0
°C (32°F)
1,300
− 1,500
r/min
Engine
coolant
temperature
is 20
°C (68°F)
1,300
− 1,500
r/min
Engine
coolant
temperature
is 40
°C
(104
°F)
1,040
− 1,240
r/min
Engine
coolant
temperature
is 80
°C
(176
°F)
600
− 800
r/min
FUEL
TEMP
4A
Fuel
tempreature
sensor
In cooled srateignittion
switch: "ON"
approximately
the same as
the outdoor
temperature
Code No.
P0181,
P0182,
P0183
,
MUT-III
SCAN
TOOL
DISPLAY
ITEM
NO.
INSPECTION
ITEM
INSPECTION REQUIREMENT
NORMAL
CONDITION
INSPECTION
PROCEDURE
NO.
REFERENCE
PAGE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-1068
HO2S
BANK1
S1
39
Heated
oxygen
sensor (bank
1, sensor 1)
Engine:
warming up
(Air/fuel
mixture is
made leaner
when
decelerating,
and is made
richer when
revving.)
When the
engine is
running at
4,000 r/min,
decelerated
suddenly.
200 millivolts
or less
Code No.
P0130,
P0131,
P0132,
P0133,
P0134
,
,
When engine
is suddenly.
600
− 1,000
millivolts
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 PCM
<A/T> or
ECM <M/T>.)
Engine is
idling
Voltage
changes
repeatedly
between 400
millivolts or
less and 600
− 1,000
millivolts.
2,500 r/min
MUT-III
SCAN
TOOL
DISPLAY
ITEM
NO.
INSPECTION
ITEM
INSPECTION REQUIREMENT
NORMAL
CONDITION
INSPECTION
PROCEDURE
NO.
REFERENCE
PAGE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-1069
HO2S
BANK1
S1
A1
*6
Heated
oxygen
sensor (bank
1, sensor 1)
Engine:
warming up
(Air/fuel
mixture is
made leaner
when
decelerating,
and is made
richer when
revving.)
When the
engine is
running at
4,000 r/min,
decelerate
suddennly
0.2 volt or
less
Code No.
P0130,
P0131,
P0132,
P0133,
P0134
,
,
When engine
is suddenly
0.6
− 1 volt
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 PCM
<A/T> or
ECM <M/T>.)
Engine is
idling
Voltage
changes
repeatedly
between 0.4
volt or less
and 0.6
− 1
volt.
2,500 r/min
HO2S
BANK1
S2
69
Heated
oxygen
sensor (bank
1, sensor 2)
Engine:
warming up
Revving
0 and 600
−
1,000
millivolts
alternate.
Code No.
P0136,
P0137,
P0138,
P0139
,
HO2S
BANK1
S2
A2
*6
Heated
oxygen
sensor (bank
1, sensor 2)
Engine:
warming up
Revving
0 and 0.6
− 1
volt alternate.
Code No.
P0136,
P0137,
P0138,
P0139
,
MUT-III
SCAN
TOOL
DISPLAY
ITEM
NO.
INSPECTION
ITEM
INSPECTION REQUIREMENT
NORMAL
CONDITION
INSPECTION
PROCEDURE
NO.
REFERENCE
PAGE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-1070
HO2S
BANK2
S1
11
Heated
oxygen
sensor (bank
2, sensor 1)
Engine: Warm
(air/fuel
mixture is
made leaner
when
decelerating,
and is made
richer when
revving.)
When the
engine is
running at
4,000 r/min,
decelerated
suddenly.
200 millivolts
or less
Code No.
P0150,
P0151,
P0152,
P0153,
P0154
,
,
when engine
is suddenly
raced.
600
− 1,000
millivolts
Engine: Warm
(the heated
oxygen
sensor signal
is used to
check the
air/fuel
mixture ratio,
and control
condition is
also checked
by the PCM
<A/T> or
ECM <M/T>)
Engine is
idling
Voltage
alternates
between 400
millivolts or
less and 600
− 1,000
millivolts.
2,500 r/min
HO2S
BANK2
S1
A3
*6
Heated
oxygen
sensor (bank
2, sensor 1)
Engine: Warm
(air/fuel
mixture is
made leaner
when
decelerating,
and is made
richer when
revving.)
When the
engine is
running at
4,000 r/min,
decelerated
suddenly.
0.2 volt or
less
Code No.
P0150,
P0151,
P0152,
P0153,
P0154
,
,
When engine
is suddenly
raced
0.6
− 1 volt
Engine: Warm
(the heated
oxygen
sensor signal
is used to
check the
air/fuel
mixture ratio,
and control
condition is
also checked
by the PCM
<A/T> or
ECM <M/T>)
Engine is
idling
Voltage
alternates
between 0.4
volt or less
and 0.6
− 1
volt.
2,500 r/min
MUT-III
SCAN
TOOL
DISPLAY
ITEM
NO.
INSPECTION
ITEM
INSPECTION REQUIREMENT
NORMAL
CONDITION
INSPECTION
PROCEDURE
NO.
REFERENCE
PAGE
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