Mitsubishi Colt Ralliart. Manual - part 707

 

  Index      Mitsubishi     Mitsubishi Colt Ralliart - service repair manual

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  705  706  707  708   ..

 

 

Mitsubishi Colt Ralliart. Manual - part 707

 

 

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4G1>

13B-153

STEP 3. Connector check: B-106 engine control 
relay connector

Q: Is the check result normal?

YES : 

Check intermediate connectors A-17 and 

B-112, and repair them if necessary. If the 
intermediate connectors are normal, check 
and repair the harness between A-110 
(terminal No. 3) camshaft position sensor 
connector and B-106 (terminal No. 4) 
engine control relay connector.

• Check power supply line for 

open/short circuit.

NO : 

Repair or replace.

STEP 4. Perform voltage measurement at A-110 
camshaft position sensor connector.

• Disconnect connector and measure at harness 

side.

• Ignition switch: ON

• 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.

3

2

1

4

AK402084

J/B side 
connector

B-106

Connector: B-106
J/B (front side)

AC

AK402097

1

2

3

AC

Connector: A-110

Harness side 
connector

A-110(B)

AK402097

1

2

3

AC

Connector: A-110

Harness side 
connector

A-110(B)

Main

Index

Group

TOC

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4G1>

13B-154

STEP 5. Perform voltage measurement at A-114 
engine-ECU connector.

• Disconnect engine-ECU connector, and connect 

special tool power plant ECU check harness 
(MB991987), and then measure the voltage at 
the check connector.

• Disconnect the A-110 camshaft position sensor 

connector.

• Ignition switch: ON

• Voltage between terminal No. 12 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: A-114 engine-ECU 
connector

Q: Is the check result normal?

YES : 

Check and repair the harness between 

A-110 (terminal No. 2) camshaft position 
sensor connector and A-114 (terminal No. 
12) engine-ECU connector.

• Check output line for open circuit.

NO : 

Repair or replace.

AK402745

6

4

2

5

3

1

9

7

8

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

65

66

L

AF

A-114

Connector: 

A-114

Harness side connector

Engine-ECU

Battery

AK402097

1

2

3

AC

Connector: A-110

Harness side 
connector

A-110(B)

AK402745

6

4

2

5

3

1

9

7

8

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

65

66

L

AF

A-114

Connector: 

A-114

Harness side connector

Engine-ECU

Battery

AK402097

1

2

3

AC

Connector: A-110

Harness side 
connector

A-110(B)

Main

Index

Group

TOC

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4G1>

13B-155

STEP 7. Connector check: A-114 engine-ECU 
connector

Q: Is the check result normal?

YES : 

Go to Step 8.

NO : 

Repair or replace.

STEP 8. Check harness between A-110 (terminal 
No. 2) camshaft position sensor connector and 
A-114 (terminal No. 12) engine-ECU connector.

• Check the output line for short circuit.

Q: Is the check result normal?

YES : 

Go to Step 9.

NO : 

Repair.

STEP 9. M.U.T.-III diagnosis code

• Reconfirmation of diagnosis code.

Q: Is the diagnosis code output?

YES : 

Replace the engine-ECU.

NO : 

Intermittent malfunction (Refer to GROUP 
00 

− How to Use Troubleshooting/Inspection 

Service Points 

− How to Cope with 

Intermittent Malfunctions 

P.00-13

). 

AK402745

6

4

2

5

3

1

9

7

8

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

65

66

L

AF

A-114

Connector: 

A-114

Harness side connector

Engine-ECU

Battery

AK402097

1

2

3

AC

Connector: A-110

Harness side 
connector

A-110(B)

AK402745

6

4

2

5

3

1

9

7

8

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

65

66

L

AF

A-114

Connector: 

A-114

Harness side connector

Engine-ECU

Battery

Main

Index

Group

TOC

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4G1>

13B-156

STEP 10. Perform resistance measurement at 
A-110 camshaft position sensor connector.

• Disconnect connector and measure at harness 

side.

• Voltage between terminal No. 1 and earth.

OK: Continuity (2 

 or less)

Q: Is the check result normal?

YES : 

Go to Step 13.

NO : 

Go to Step 11.

STEP 11. Connector check: A-114 engine-ECU 
connector

Q: Is the check result normal?

YES : 

Go to Step 12.

NO : 

Repair or replace.

STEP 12. Check harness between A-110 (terminal 
No. 1) camshaft position sensor connector and 
A-114 (terminal No. 27) engine-ECU connector.

• Check earthing line for open circuit and damage.

Q: Is the check result normal?

YES : 

Go to Step 9.

NO : 

Repair.

AK402097

1

2

3

AC

Connector: A-110

Harness side 
connector

A-110(B)

AK402745

6

4

2

5

3

1

9

7

8

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

65

66

L

AF

A-114

Connector: 

A-114

Harness side connector

Engine-ECU

Battery

AK402097

1

2

3

AC

Connector: A-110

Harness side 
connector

A-110(B)

AK402745

6

4

2

5

3

1

9

7

8

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

65

66

L

AF

A-114

Connector: 

A-114

Harness side connector

Engine-ECU

Battery

Main

Index

Group

TOC

 

 

 

 

 

 

 

Content   ..  705  706  707  708   ..