Mitsubishi Outlander (2003+). Manual - part 68

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MFI)

13A-135

STEP 3. Connector check: B-17X engine control 
relay connector

Q: Is the check result normal? 

YES : 

Check and repair harness between B-106 

(terminal No. 3) camshaft position sensor 
connector and B-17X (terminal No. 1) 
engine control relay connector.

œ

Check power supply line for 
open/short circuit.

NO : 

Repair.

STEP 4. Measure voltage at B-106 camshaft 
position sensor connector.

œ

Disconnect connector, and measure at harness 
side.

œ

Ignition switch: ON 

œ

Voltage between terminal No. 2 and earth.

OK: 4.9 

-

 5.1 V

Q: Is the check result normal? 

YES : 

Go to Step 10 .

NO : 

Go to Step 5 .

AK300255

2

1

3

4

Relay box’s
triangle marks

AB

CONNECTOR: B-17X

B-17X

Harness side
connector

AK300279

1

2

3

Harness side
connector

B-106 (B)

AB

Connector: B-106

AK300279

1

2

3

Harness side
connector

B-106 (B)

AB

Connector: B-106

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MFI)

13A-136

STEP 5. Measure voltage at C-137 engine-ECU 
connector.

œ

Measure engine-ECU terminal voltage.

œ

Disconnect B-106 camshaft position sensor con-
nector.

œ

Ignition switch: ON 

œ

Voltage between terminal No. 88 and earth.

OK: 4.9 

-

 5.1 V

Q: Is the check result normal? 

YES : 

Go to Step 6 .

NO : 

Go to Step 7 .

STEP 6. Connector check: C-137 engine-ECU 
connector

Q: Is the check result normal? 

YES : 

Check and repair harness between B-106 

(terminal No. 2) camshaft position sensor 
connector and C-137 (terminal No. 88) 
engine-ECU connector. 

œ

Check output line for open circuit.

NO : 

Repair.

AK300254

82

78

8180

89

90

91

92

79

87

71

74 73 72

76 75

77

85

88

83

84

86

AB

CONNECTOR: C-137

C-137

Harness side connector

AK300279

1

2

3

Harness side
connector

B-106 (B)

AB

Connector: B-106

AK300254

82

78

8180

89

90

91

92

79

87

71

74 73 72

76 75

77

85

88

83

84

86

AB

CONNECTOR: C-137

C-137

Harness side connector

AK300279

1

2

3

Harness side
connector

B-106 (B)

AB

Connector: B-106

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MFI)

13A-137

STEP 7. Connector check: C-137 engine-ECU 
connector

Q: Is the check result normal? 

YES : 

Go to Step 8 .

NO : 

Repair.

STEP 8. Check harness between B-106 (terminal 
No. 2) camshaft position sensor connector and 
C-135 (terminal No. 56) engine-ECU connector.

œ

Check output line for short circuit.

Q: Is the check result normal? 

YES : 

Go to Step 9 .

NO : 

Repair. 

STEP 9. Check the trouble symptoms.

Q: Does trouble symptom persist?

YES : 

Replace engine-ECU. 

NO : 

Intermittent malfunction (Refer to GROUP 
00 

-

 How to Use 

Troubleshooting/Inspection Service Points 

3

00



).

AK300254

82

78

8180

89

90

91

92

79

87

71

74 73 72

76 75

77

85

88

83

84

86

AB

CONNECTOR: C-137

C-137

Harness side connector

AK300279

1

2

3

Harness side
connector

B-106 (B)

AB

Connector: B-106

AK300256

34 33 32

36 35

37

42

45

31

39

38

46

40

41

43

44

AB

CONNECTOR: C-135

C-135

Harness side connector

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MFI)

13A-138

STEP 10. Measure resistance at B-106 camshaft 
position sensor connector.

œ

Disconnect connector, and measure at harness 
side.

œ

Resistance between terminal No. 1 and earth.

OK: 2 

W

 or less

Q: Is the check result normal? 

YES : 

Go to Step 13 .

NO : 

Go to Step 11 .

STEP 11. Connector check: C-135 engine-ECU 
connector

Q: Is the check result normal? 

YES : 

Go to Step 12 .

NO : 

Repair.

STEP 12. Check harness between B-106 (terminal 
No. 1) camshaft position sensor connector and 
C-135 (terminal No. 40) engine-ECU connector.

NOTE: Before checking harness, check intermediate 
connector C-16, and repair if necessary.

œ

Check earthing line for open circuit and damage.

Q: Is the check result normal? 

YES : 

Go to Step 9 .

NO : 

Repair.

AK300279

1

2

3

Harness side
connector

B-106 (B)

AB

Connector: B-106

AK300256

34 33 32

36 35

37

42

45

31

39

38

46

40

41

43

44

AB

CONNECTOR: C-135

C-135

Harness side connector

AK300279

1

2

3

Harness side
connector

B-106 (B)

AB

Connector: B-106

AK300256

34 33 32

36 35

37

42

45

31

39

38

46

40

41

43

44

AB

CONNECTOR: C-135

C-135

Harness side connector