Mitsubishi Outlander GS45X. Manual - part 789

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-89

STEP 4. Check for open circuit and short circuit to ground 
between engine oil pressure switch connector B-107 and 
ECM connector B-10.
(1) Disconnect the connector B-107 and B-10 measure at the 

harness side.

(2) Measure the resistance between connector B-107 (terminal 

No. 1) and connector B-10 (terminal No. 7).

• Should be less than 2 ohms.

(3) Check for the continuity between connector B-107 (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 7.

NO :  Repair it. Then go to Step 8.

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1

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AK700272

1

B-107 harness
connector:
component side 

B-10 harness
connector:
component side 

AB

AK703894

1

B-107 harness
connector:
component side 

AB

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-90

STEP 5. Check for harness damage between engine oil 
pressure switch connector B-107 and ECM connector 
B-10.
(1) Disconnect the connector B-107 and B-10 measure at the 

harness side.

(2) Measure the resistance between B-107 connector (terminal 

No. 1) and B-10 (terminal No. 7) connector.

• Should be less than 2 ohms.

Q: Is the measured resistance less than 2 ohms?

YES : Then go to Step 6.
NO :  Repair it. Then go to Step 8.

STEP 6. Using scan tool MB991958, check data item 98: Oil 
control valve.

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to the data reading mode for item 

98, Oil control valve.

• An operation sound should be heard and vibration 

should be felt when the engine oil control valve is oper-
ated.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the right bank engine oil control valve operating 

properly?
YES : Then go to Step 7.
NO :  Replace the engine oil control valve. Then go to Step 

8.

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

AK700272

1

B-107 harness
connector:
component side 

B-10 harness
connector:
component side 

AB

AK700568AB

MB991824

MB991827

MB991910

Data link
connector

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-91

STEP 7. Replace the engine oil pressure switch
(1) Carry out test drive with the drive cycle pattern. Refer to 

Diagnostic Function 

− OBD-II Drive Cycle − Pattern 19 

P.13B-11

.

(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P003C 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 8.

NO :  The Inspection is complete.

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

Diagnostic Function 

− OBD-II Drive Cycle − Pattern 19 

P.13B-11

.

(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P003C set?

YES : Retry the trouble shooting.
NO :  The Inspection is complete.

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>

13B-92

DTC P0051: Heated Oxygen Sensor Heater Circuit Low (bank 2, sensor 1)

AK700131

1

3

2

4

1

2

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1

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2 3 4

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2

1

4

3

AB

20A

WHITE

BLUE

WHITE

WHITE

WHITE

A-33X

4

3

1

2

22

1

2

3

4

34

4

B-14

MU802605

B-10

A-13

OFF

ON

36

FUSIBLE LINK

RELAY BOX
(ENGINE COMPARTMENT)

TO ECM

TO ECM TO ECM

ENGINE
CONTROL
MODULE

LEFT BANK HEATED OXYGEN SENSOR (FRONT) HEATER CIRCUIT

LEFT BANK HEATED
OXYGEN SENSOR (FRONT)

MFI
RELAY