Mitsubishi Outlander GS45X. Manual - part 579

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>

13A-139

STEP 8. Test the OBD-II drive cycle.
(1) Carry out a test drive with the drive cycle pattern. Refer to 

Diagnostic Function 

− OBD-II Drive Cycle − Pattern 23 

P.13A-11

.

(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0103 set?

YES : Retry the troubleshooting.
NO :  The inspection is complete.

DTC P0106: Manifold Absolute Pressure Circuit Range/Performance Problem

AK704098

1

2

3 4 5 6 7 8 9 10 11 12 13 14 15 16

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48

49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64

3

2

1

AB

MANIFOLD ABSOLUTE
PRESSURE SENSOR

BLUE

3

1

2

MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT

B-10

B-105

(MU802723)

44

45

46

ENGINE
CONTROL
MODULE

YELLO

W

-BLA

CK

GRA

Y

-BLUE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>

13A-140

.

CIRCUIT OPERATION

• A 5-volt voltage is supplied to the manifold abso-

lute pressure sensor power terminal (terminal No. 
3) from the ECM (terminal No. 44). The ground 
terminal (terminal No. 2) is grounded with ECM 
(terminal No. 46).

• A voltage that is proportional to the intake mani-

fold pressure is sent to the ECM (terminal No. 45) 
from the manifold absolute pressure sensor out-
put terminal (terminal No. 1).

.

TECHNICAL DESCRIPTION

• The manifold absolute pressure sensor outputs a 

voltage which corresponds to the intake manifold 
pressure.

• The ECM checks whether this voltage is within a 

specified range.

.

DESCRIPTIONS OF MONITOR METHODS

Compare load value with manifold absolute pressure 

sensor output voltage.

.

MONITOR EXECUTION

Continuous

.

MONITOR EXECUTION CONDITIONS 
(Other monitor and Sensor)

Other Monitor (There is no temporary DTC stored 

in memory for the item monitored below)

• Not applicable

Sensor (The sensor below is determined to be 

normal)

• Engine coolant temperature sensor

• Throttle position sensor

• Mass airflow sensor

• Intake air temperature sensor

• Barometric pressure sensor

.

AK704090AB

Connector: B-10

B-10 (GR)

AK704099 AB

Intake manifold

Connector: B-105

B-105 (B)

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>

13A-141

DTC SET CONDITIONS <Range/Performance problem 

− high input>

Logic Flow Chart

Check Conditions

• 8 minutes or more have passed since the engine 

starting sequence was completed, when the 
engine coolant temperature at engine start is 0

°C 

(32

°F) or lower.

• Engine speed is between 500 r/min and 1,500 

r/min.

• Throttle position sensor output voltage is 0.8 volt 

or lower.

Judgement Criterion

• Manifold absolute pressure sensor output voltage 

has continued to be 3.5 volts [corresponding to a 
manifold absolute pressure of 89 kPa (26.3 
in.Hg)] or higher for 2 seconds.

.

Start

Yes

Yes

Yes

No

No

No

Pressure > 89kPa (26.3in.Hg)

Continuous

failure for 2secs

Malfunction

End

Good

Monitoring

conditions

AK604311

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>

13A-142

DTC SET CONDITIONS <Range/Performance problem 

− low input>

Logic Flow Chart

Check Conditions

• 8 minutes or more have passed since the engine 

starting sequence was completed, when the 
engine coolant temperature at engine start is 0

°C 

(32

°F) or lower.

• Engine speed is 1,500 r/min or higher.

• Throttle position sensor output voltage is 3.5 volts 

or higher.

Judgement Criterion

• Manifold absolute pressure sensor output voltage 

has continued to be 1.8 volts [corresponding to a 
manifold absolute pressure of 45 kPa (13.3 
in.Hg)] or lower for 2 seconds.

.

OBD-II DRIVE CYCLE PATTERN

• Refer to Diagnostic Function − OBD-II Drive 

Cycle 

− Pattern 7 

P.13A-11

.

.

TROUBLESHOOTING HINTS (The most 
likely causes for this code to be set are:)

• Manifold absolute pressure sensor failed.

• Mass airflow sensor circuit harness damage, or 

connector damage.

• ECM failed.

Start

Yes

Yes

Yes

No

No

No

Pressure < 

45kPa (13.3in.Hg)

Continuous

failure for 2secs

Malfunction

End

Good

Monitoring

conditions

AK604312