Mitsubishi Montero (2004+). Manual - part 249

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-483

STEP 18. Check for harness damage between MFI relay 
connector B-22X (terminal No. 1) and crankshaft position 
sensor connector B-36 (terminal No. 3).
Q: Is the harness wire in good condition?

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

AK200951

2 1

3

4

B-22X

AB

CONNECTOR: B-22X

HARNESS 
CONNECTOR: 
COMPONENT SIDE

AK200962

1

2

3

AB

CONNECTOR: B-36

B-36(B)

CRANKSHAFT
POSITION
SENSOR

HARNESS 
CONNECTOR: 
COMPONENT SIDE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-484

STEP 19. Check for harness damage between crankshaft 
position sensor connector B-36 (terminal No. 2) and PCM 
connector D-134 (terminal No. 70).
Q: Is the harness wire in good condition?

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

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

YES : Replace the crankshaft position sensor. Then go to 

Step 21.

NO :  Replace it. Then go to Step 21.

AK200962

1

2

3

AB

CONNECTOR: B-36

B-36(B)

CRANKSHAFT
POSITION
SENSOR

HARNESS 
CONNECTOR: 
COMPONENT SIDE

AK201166

61

62

63

64

65

66

67

68

69

70

71

76

77

78

79

85

86

87

80

72

73

74

75

81

82

83

84

88

89

CONNECTOR: D-134

AB

PCM

D-134(GR)

HARNESS CONNECTOR: 
COMPONENT SIDE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-485

STEP 21. Perform 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.13A-4

.

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

YES : Repeat the troubleshooting.
NO :  The procedure is complete.

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI)

13A-486

DTC P0340: Camshaft Position Sensor Circuit

WHITE-

BLA

CK

WHITE-

BLA

C

K

AK201143

RED

RED

BLA

CK-

WHITE

BLUE

BLUE

MFI RELAY

BATTERY

71

3

2

1

3 4

1 2

B-22X

5V

POWERTRAIN
CONTROL
MODULE (PCM)

3

1 2

B-10

MU802337

2

1

4

CAMSHAFT
POSITION
SENSOR

3

3

1

2

2 3

1

B-08

MU802663

Camshaft Position Sensor Circuit

SKY B

U

LE

88

61
656667686970 717273
74757677787980 8182
8384

858687

8889

62

6364

D-134

(MU803804)