Mitsubishi Outlander GS45X. Manual - part 881

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-457

STEP 4. Check for short circuit to ground between the 
camshaft position sensor connector B-112 and the ECM 
connector B-10.
(1) Disconnect the camshaft position sensor connector B-112 

and the ECM connector B-10.

(2) Check for the camshaft position sensor connector B-112 

(terminal No. 1) and ground.

• Not continuity.

Q: Is the harness wire in good condition?

YES : Replace the ECM. When the ECM is replaced, 

register the ID code. Refer to GROUP 42B, Diagnosis 
− ID Codes Registration Judgment Table <Vehicles 

with KOS> 

P.42B-15

 or GROUP 42C, Diagnosis 

− ID 

Codes Registration Judgment Table <Vehicles with 
WCM> 

P.42C-10

. Then go to step 9.

NO :  Repair it. Refer to GROUP 00E, Harness Connector 

Inspection 

P.00E-2

. Then go to Step 9.

AK700313

3

2

1

AB

B-112 harness
connector:
component side

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-458

STEP 5. Check for open circuit and short circuit to ground 
between the camshaft position sensor connector B-112 
and the ECM connector B-10.
(1) Disconnect the camshaft position sensor connector B-112 

and the ECM connector B-10.

(2) Measure the resistance between the camshaft sensor 

connector B-112 and the ECM connector B-10.

• Should be less than 2 ohms.

a. Connector B-112 (terminal No. 3) and Connector B-10 

(terminal No. 14).

b. Connector B-112 (terminal No. 2) and Connector B-10 

(terminal No. 30).

(3) Check for the camshaft position sensor connector B-112 

(terminal No. 3) and ground.

• Not continuity.

Q: Is the harness wire in good condition?

YES : Go to Step 6.
NO :  Repair it. Then go to Step 9.

AK700562

16 15 14 13 12 11 10 9 8 7 6 5 4 3

2

1

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

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

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

1

2

3

AB

B-112 harness connector:
component side 

B-10 harness connector:
component side 

1

2

3

AK700315AB

B-112 harness
connector:
component side

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-459

STEP 6. Using the oscilloscope, check the camshaft 
position sensor.
(1) Disconnect the camshaft position sensor connector B-112, 

and connect test harness special tool (MB991709) between 
the separated connectors (All terminals should be 
connected).

(2) Connect the oscilloscope probe to the camshaft position 

sensor side connector terminal No. 3.
NOTE: When measuring with the ECM side connector, dis-
connect all ECM connectors. Connect the check harness 
special tool (MB992110) between the separated connec-
tors. then connector the oscilloscope probe to the check 
harness connector terminal No. 14.

(3) Start the engine and run at idle.

(4) Check the waveform.

• The waveform should show a pattern similar to the illus-

tration.

(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the waveform normal?

YES : Go to Step 8.
NO :  Go to Step 7.

STEP 7. Check the camshaft position sensing cylinder.
Q: Is the camshaft position sensing cylinder in good 

condition?
YES : Replace the camshaft position sensor. Then go to 

Step 8.

NO :  Repair it. Then go to Step 8.

STEP 8. Check the trouble symptoms.
(1) Carry out a test drive with the drive cycle pattern. Refer to 

Diagnostic Function 

− OBD-II Drive Cycle − Pattern 22 

P.13B-11

.

(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0340 set?

YES : Replace the ECM. When the ECM is replaced, 

register the ID code. Refer to GROUP 42B, Diagnosis 
− ID Codes Registration Judgment Table <Vehicles 

with KOS> 

P.42B-15

 or GROUP 42C, Diagnosis 

− ID 

Codes Registration Judgment Table <Vehicles with 
WCM> 

P.42C-10

. Then go to Step 9.

NO :  It can be assumed that this malfunction is intermittent. 

Refer to GROUP 00, How to Use 
Troubleshooting/Inspection Service Points 

− How to 

Cope with Intermittent Malfunctions 

P.00-15

.

AK700326

3

2

1

AB

Crankshaft position
sensor connector

Oscilloscope

MB991709

AK700318AB

2 Engine revolutions

5V

Normal wavefome

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-460

STEP 9. 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 22 

P.13B-11

.

(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0340 set?

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

DTC P0401: Exhaust Gas Recirculation Flow Insufficient Detected

.

TECHNICAL DESCRIPTION

• When the EGR valve (stepper motor) is actuated 

from the fully closed position toward the open 
position while the engine is running, EGR gas 
flows.

• The ECM checks how the EGR gas flow signal 

changes.

.

DESCRIPTIONS OF MONITOR METHODS

Small manifold pressure change during exhaust gas 

recirculation (EGR) operation from closed to 
open.

.

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)

• EGR stepper motor monitor

Sensor (The sensor below is determined to be 

normal)

• Mass airflow sensor

• Engine coolant temperature sensor

• Intake air temperature sensor

• Barometric pressure sensor

• Manifold absolute pressure sensor

• Accelerator pedal position sensor

.