Mitsubishi Eclipse. Manual - part 509

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-579

STEP 18. Check for harness damage between MFI relay 
connector A-18X (terminal No. 4) and crankshaft position 
sensor connector B-20 (terminal No. 3).
Q: Is the harness wire in good condition?

YES : Go to Step 19.
NO :  Repair it. Then go to Step 21.

AK300454

2

1

3

4

CONNECTOR: A-18X

AB

A-18X

HARNESS CONNECTOR:
COMPONENT SIDE

AK300448

1

2

3

CRANKSHAFT
POSITION
SENSOR

CONNECTOR: B-20 <WITHOUT INTAKE 
MANIFOLD TUNING  SYSTEM>

AB

B-20 (B)

HARNESS CONNECTOR:
COMPONENT SIDE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-580

STEP 19. Check for harness damage between crankshaft 
position sensor connector B-20 (terminal No. 2) and ECM 
connector C-58 (terminal No. 43) <M/T> or PCM connector 
C-55 (terminal No. 45) <A/T>.
Q: Is the harness wire in good condition?

YES : Go to Step 20.
NO :  Repair it. Then go to Step 21.

AK300449

1

2

3

CONNECTOR: B-20 <WITH INTAKE 
MANIFOLD TUNING  SYSTEM>

AB

B-20 (B)

CRANKSHAFT
POSITION
SENSOR

HARNESS CONNECTOR:
COMPONENT SIDE

AK300448

1

2

3

CRANKSHAFT
POSITION
SENSOR

CONNECTOR: B-20 <WITHOUT INTAKE 
MANIFOLD TUNING  SYSTEM>

AB

B-20 (B)

HARNESS CONNECTOR:
COMPONENT SIDE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-581

AK300449

1

2

3

CONNECTOR: B-20 <WITH INTAKE 
MANIFOLD TUNING  SYSTEM>

AB

B-20 (B)

CRANKSHAFT
POSITION
SENSOR

HARNESS CONNECTOR:
COMPONENT SIDE

AK300462

42

43

48

49

50

51

52

53

54

55

56

57

46 45 44

58

59

60

61

62

63

64

65

66

47

41

CONNECTOR: C-55 <A/T>

C-55 (GR)

AB

HARNESS CONNECTOR:
COMPONENT SIDE

AK300748

65

43
50

42
49

41
48
60

61

64

46

47

58

59

67

68

45

56
66

52 51

44

53

62

54

63

57

55

CONNECTOR: C-58 <M/T>

AB

C-58 (GR)

HARNESS CONNECTOR:
COMPONENT SIDE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-582

STEP 20. Check the crankshaft sensing blade.
Q: Is the crankshaft sensing blade in a good condition?

YES : Replace the crankshaft position sensor. Then go to 

Step 21.

NO :  Replace it. Then go to Step 21.

STEP 21. 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 − Procedure 6 − 

Other Monitor 

P.13B-7

.

(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0335 set?

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