Mitsubishi Colt Ralliart. Manual - part 72

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4A9>

13A-242

STEP 12. Check harness between B-105 (terminal 
No. 4) starter relay connector and A-114 (terminal 
No. 39) engine-ECU connector.

NOTE: Before checking harness, check intermediate 
connectors B-109 and A-17, and repair if necessary.

• Check output line for open/short circuit and dam-

age.

Q: Is the check result normal?

YES : 

Go to Step 13 .

NO : 

Repair.

STEP 13. Connector check: A-125 starter 
connector

Q: Is the check result normal?

YES : 

Go to Step 14 .

NO : 

Repair or replace.

STEP 14. Check harness between B-105 (terminal 
No. 4) starter relay connector and A-125 (terminal 
No. 1) starter connector.

NOTE: Before checking harness, check intermediate 
connectors B-109 and A-17, and repair if necessary.

• Check output line for short circuit.

Q: Is the check result normal?

YES : 

Go to Step 15 .

NO : 

Repair.

AK600403

3

2

1

4

AC

Connector: B-105

B-105

Harness side
connector

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

AK402055

1

Connector: A-125

A-125 Harness side
connector

AC

A-125 (B)

AK600403

3

2

1

4

AC

Connector: B-105

B-105

Harness side
connector

AK402055

1

Connector: A-125

A-125 Harness side
connector

AC

A-125 (B)

Main

Index

Group

TOC

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4A9>

13A-243

STEP 15. Check harness between B-141 (terminal 
No. 5) ignition switch connector and B-105 
(terminal No. 1, 3) starter relay connector.

NOTE: Before checking harness, check intermediate 
connectors B-129, and repair if necessary.

• Check power supply line for damage.

Q: Is the check result normal?

YES : 

Go to Step 16 .

NO : 

Repair.

STEP 16. Check harness between B-105 (terminal 
No. 2) starter relay connector and B-60 (terminal 
No. 2) clutch switch connector.

NOTE: Before checking harness, check intermediate 
connector B-112, and repair if necessary.

• Check power supply line for damage.

Q: Is the check result normal?

YES : 

Replace engine-ECU.

NO : 

Repair.

STEP 17. Connector check: A-124 starter 
connector

Q: Is the check result normal?

YES : 

Go to Step 18 .

NO : 

Repair or replace.

AK402054

B-141

AC

Connector: B-141

1

2

3

4

5

6

B-141 Harness
side connector

AK600403

3

2

1

4

AC

Connector: B-105

B-105

Harness side
connector

AK600403

3

2

1

4

AC

Connector: B-105

B-105

Harness side
connector

AK600404

2 1

AC

Connector: B-60

B-60

Harness side
connector

AK402056

1

Connector: A-124

A-124 Harness side 
connector

AC

A-124

Main

Index

Group

TOC

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4A9>

13A-244

STEP 18. Perform voltage measurement at A-124 
starter connector.

• Disconnect connector, and measure at the har-

ness side.

• Voltage between terminal No. 1 and earth.

OK: System voltage

Q: Is the check result normal?

YES : 

Go to Step 19 .

NO : 

Check and repair harness between battery 

and A-124 (terminal No.1) starter connector. 

• Check power supply line for 

open/short circuit.

STEP 19. Check harness between battery and 
A-124 (terminal No. 1) starter connector.

Q: Is the check result normal?

YES : 

Go to Step 20 .

NO : 

Repair.

STEP 20. Check harness between B-105 (terminal 
No. 4) starter relay connector and A-125 (terminal 
No. 1) starter connector.

NOTE: Before checking harness, check intermediate 
connectors B-109 and A-17, and repair if necessary.

• Check output line for open circuit and damage.

Q: Is the check result normal?

YES : 

Replace starter.   

NO : 

Repair.

AK402056

1

Connector: A-124

A-124 Harness side 
connector

AC

A-124

AK402056

1

Connector: A-124

A-124 Harness side 
connector

AC

A-124

AK600403

3

2

1

4

AC

Connector: B-105

B-105

Harness side
connector

AK402055

1

Connector: A-125

A-125 Harness side
connector

AC

A-125 (B)

Main

Index

Group

TOC

TROUBLESHOOTING

MULTIPORT FUEL INJECTION (MPI) <4A9>

13A-245

Inspection Procedure 5: Starting impossible (No initial combustion) <CVT>

COMMENT ON TROUBLE SYMPTOM

• Failure is possibly caused by failed starter itself 

or failed related circuit.

PROBABLE CAUSES

• Failed battery

• Failed inhibitor switch

• Failed starter motor

• Open/short/damaged circuit in starter associated 

circuit or loose connector contact

• Failed ignition switch

AK402701

1

5 6

1 2 3 4

7

8

9 10

1

1 2 3
4 5 6

19

21

20

18

17

16

15

14

1213

11

8 9

L

10

37
52 53 54 555657585960616263646566

38 39 404142434445464748495051

22 23 24 252627282930313233343536

7

5

3

1

6

4

2

M

Battery

Inhibitor 
switch

OFF

ON

AB

Starter

A-124

A-125

(MU801211)

A-114

A-119

MU802355

B-R

B-141

8

10

9

B-R

Engine-CVT-ECU

B-Y

B-Y

B-R

1

39

1

B-Y

B-40

1

A-17

IG2

ST

LOCK

ACC

IG1

D

N

R

P

Ignition switch

5

Starting Impossible (No Initial Combustion) 

Wire colour code
B: Black  LG: Light green  G: Green  L: Blue  W: White  Y: Yellow  SB: Sky blue  BR: Brown  O: Orange  GR: Gray
R: Red  P: Pink  V: Violet

Main

Index

Group

TOC