Mitsubishi Outlander GS45X. Manual — part 978
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
13B-845
MAP
sensor
8
Manifold
absolute
pressure
sensor
Ignition switch:
"ON"
Engine
stopped [At
altitude of 0 m
(0 ft.)]
101 kPa
(29.8 in.Hg)
Code No.
P0106,
P0107,
P0108
Engine
stopped [At
altitude of 600
m (1,969 ft.)]
95 kPa (28.1
in.Hg)
Engine
stopped [At
altitude of
1,200 m (3,937
ft.)]
88 kPa (26.0
in.Hg)
Engine
stopped [At
altitude of
1,800 m (5,906
ft.)]
81 kPa (23.9
in.Hg)
Engine: warming up, idling
16
− 36 kPa
(4.7
− 10.6
in.Hg)
When engine is suddenly
revved
Manifold
pressure
varies
Neutral
switch
87
Neutral
switch
Ignition switch:
"ON"
Shift lever: "P"
or "N"
ON
−
−
Shift lever: "R"
or "D"
OFF
Normally
closed
brake
switch
89
Normally
closed brake
switch
Ignition switch:
"ON"
Depress the
brake pedal
ON
−
−
Release the
brake pedal
OFF
Oil control
valve
(bank 1)
98
Engine oil
control valve
Engine:
warming up
Engine is idling OFF
−
−
5,000 r/min
ON
M.U.T.-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 ENGINE>
13B-846
Oxygen
sensor
(bank1
sensor1)
AC
Heated
oxygen
sensor bank
1, sensor 1
(right front)
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
suddenly.
0.2 V or less
→ 0.6 − 1.0 V
(After several
seconds
have
elapsed)
Code No.
P0131,
P0132,
P0133,
P0134,
P2195
When engine
is suddenly
revved
0.6
− 1.0 V
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)
Engine is idling Voltage
changes
repeatedly
between 0.4
V or less and
0.6
−1.0 V.
2,500 r/min
Oxygen
sensor
(bank1
sensor2)
AD
Heated
oxygen
sensor bank
1, sensor 2
(right rear)
• Transaxle: 2nd
• Drive with wide open throttle
• Engine: 3,500 r/min or more
0.6
− 1.0 V
Code No.
P0137,
P0138,
P0139,
P0140
Oxygen
sensor
(bank2
sensor1)
AE
Heated
oxygen
sensor bank
2, sensor 1
(left front)
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
suddenly.
0.2 V or less
→ 0.6 − 1.0 V
(After several
seconds
have
elapsed)
Code No.
P0151,
P0152,
P0153,
P0154,
P2197
When engine
is suddenly
revved
0.6
− 1.0 V
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)
Engine is idling Voltage
changes
repeatedly
between 0.4
V or less and
0.6
− 1.0 V.
2,500 r/min
M.U.T.-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 ENGINE>
13B-847
Oxygen
sensor
(bank2
sensor2)
AF
Heated
oxygen
sensor bank
2, sensor 2
(left rear)
• Transaxle: 2nd
• Drive with wide open throttle
• Engine: 3,500 r/min or more
0.6
− 1.0 V
Code No.
P0157,
P0158,
P0159,
P0160
Power
steering
switch
83
Power
steering
pressure
switch
Engine: idling
Steering wheel
stationary
OFF
Code No.
P0551
Steering wheel
turning
ON
Power
supply
voltage
1
Power supply
voltage
Ignition switch: "ON"
Battery
positive
voltage
Procedure
No. 21
Relative
APP
sensor
DD
Relative
accelerator
pedal position
sensor
Ignition switch:
"ON"
Release the
accelerator
pedal
0
− 5 %
−
−
Depress the
accelerator
pedal gradually
Increases in
response to
the pedal
depression
stroke
Depress the
accelerator
pedal fully
95
− 100 %
Relative
TP sensor
BC
Relative
throttle
position
sensor
• Remove the
intake air
hose at the
throttle body
• Disconnect
the throttle
position
sensor
connector,
and then
connect
terminals
numbers
No. 3, No. 4,
No. 5 and
No. 6 with
the use of
the special
tool:
MB991658.
• Ignition
switch: "ON"
Fully close the
throttle valve
with your finger
0
− 5 %
−
−
Fully open the
throttle valve
with your finger
88 % or more
M.U.T.-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 ENGINE>
13B-848
Short
term fuel
trim (bank
1)
28
Short-term
fuel trim
(bank 1)
Engine: warming up, 2,500
r/min without any load (during
closed loop)
− 7.4 to 7.4 % Code No.
P0171,
P0172
Short
term fuel
trim (bank
2)
29
Short-term
fuel trim
(bank 2)
Engine: warming up, 2,500
r/min without any load (during
closed loop)
− 7.4 to 7.4 % Code No.
P0174,
P0175
Spark
advance
16
Ignition timing
advance
(bank 1)
• Engine:
warming up
• Timing light
is set (to
check actual
ignition
timing)
• Transaxle:
"P" range
Engine is idling 2
− 18 °CA
(BTDC)
−
−
2,500 r/min
31
− 43 °CA
(BTDC)
Spark
advance
(bank 2)
113 Ignition timing
advance
(bank 2)
• Engine:
warming up
• Timing light
is set (to
check actual
ignition
timing)
• Transaxle:
"P" range
Engine is idling 2
− 18 °CA
(BTDC)
−
−
2,500 r/min
31
− 43 °CA
(BTDC)
Starter
relay
102 Starter relay
Ignition switch: "ON"
OFF
−
−
Engine: cranking
ON
Target
EGR
BA
Target EGR
valve
(stepper
motor)
• The target duty ratio of the
EGR valve driving is shown.
• "0 %" means "fully closed
EGR valve" and "100 %"
means "fully opened EGR
valve".
0
− 100 %
(Display
range)
−
−
Target
ETV value
59
Throttle
actuator
control motor
target value
Engine: warming up
• The target opening degree
of the throttle valve is
shown.
• "0 V" means "fully closed
throttle valve" and "5 V"
means "fully opened
throttle valve".
0
− 5 V
(Display
range)
−
−
M.U.T.-III
SCAN
TOOL
DISPLAY
ITEM
NO.
INSPECTION
ITEM
INSPECTION REQUIREMENT
NORMAL
CONDITION
INSPECTION
PROCEDURE
NO.
REFERENCE
PAGE
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