Mitsubishi Eclipse. Manual - part 592

 

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Mitsubishi Eclipse. Manual - part 592

 

 

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-911

INSPECTION PROCEDURE 2: Scan Tool Communication with ECM or PCM Is Not Possible.

AK101633

RED

-WHITE

RED

-WHITE

RED

-WHITE

ENGINE CONTROL
MODULE (ECM) <M/T>
OR
POWERTRAIN CONTROL
MODULE (PCM) <A/T>

JOINT
CONNECTOR (1)

DATA LINK
CONNECTOR

9

12

15

7

85

C-28

7 8

5

3 4

35

34

10 11 12

2122 23 24

13 14 15

25 26 27

16

28

17

18 19 20

29

30 31

32 33

36 37

38

9

1 2

6

C-77

16

15

18

17

14

20

22

21

9

7

1 2

5

19

3

33

32

30 31

29

28

25

24

23

27

26

6

11

13

4

10

8

12

C-29

15

14

13

12

11

10

1 2 3 4 5 6 7 8
9

16

98

78

71

88 89

76 77

72
79
91

73
80

74

75

81
92

82 83
93

84 85

94

86 87

95 96

90

80

87

81

94

85

82

84

93

86

98

99

74

92

73

83

88

91

95

97

96

100

89

78

71

90

76 77

75

72
79

97

C-62 <M/T>
(MU803783)

C-59 <A/T>
(MU803782)

Data Link Connector Circuit

AK300113

CONNECTOR: C-29

ACCELERATOR
PEDAL

DATA  LINK
CONNECTOR

AB

C-29 (B)

AK300070

CONNECTOR: C-77

AB

C-77

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-912

.

CIRCUIT OPERATION

• A diagnostic output is made from the ECM (termi-

nal No. 85) <M/T> or PCM (terminal No. 85) 
<A/T> to the diagnostic output terminal (terminal 
7) of the data link connector.

.

COMMENT

• No power supply to ECM <M/T> or PCM <A/T>.

• Defective ground circuit of ECM <M/T> or PCM 

<A/T>.

• Defective ECM <M/T> or PCM <A/T>.

• Improper communication line between ECM 

<M/T> or PCM <A/T> and scan tool.

.

TROUBLESHOOTING HINTS (The most likely 
causes for this case: ) 

• Malfunction of ECM <M/T> or PCM <A/T> power 

supply circuit. 

• Malfunction of the ECM <M/T> or PCM <A/T>. 

• Open circuit between ECM <M/T> or PCM <A/T> 

and data link connector. 

AK300094

CONNECTOR: C-62 <M/T>

ECM

AB

C-62 (GR)

AK300244

CONNECTOR: C-59 <A/T>

AE

PCM

C-59 (GR)

AK300119

CONNECTOR: C-28

AB

C-28

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-913

DIAGNOSIS

STEP 1. Check connector C-62 at ECM <M/T> or connector 
C-59 at PCM <A/T> for damage.
Q: Is the connector in good condition?

YES : Go to Step 2.
NO :  Repair or replace it. Refer to GROUP 00E, Harness 

Connector Inspection 

P.00E-2

. Then confirm that the 

malfunction symptom is eliminated.

AK300460

98

78

71

88

89

76

77

72
79
91

73
80

74

75

81
92

82

83

93

84

85

94

86

87

95

96

90

97

CONNECTOR: C-59 <A/T>

C-59 (GR)

AB

HARNESS CONNECTOR:
COMPONENT SIDE

AK300445

80

87

81

94

85

82

84

93

86

98

99

74

92

73

83

88

91

95

97 96

100

89

78

71

90

76

77

75

72
79

CONNECTOR: C-62 <M/T>

C-62 (GR)

AB

HARNESS CONNECTOR:
COMPONENT SIDE

MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS

TSB Revision

MULTIPORT FUEL INJECTION (MFI) <3.0L>

13B-914

STEP 2. Check for open circuit, short circuit to ground and 
harness damage between data link connector C-29 
(terminal No. 7) and ECM connector C-62 (terminal No. 85) 
<M/T> or PCM connector C-59 (terminal No. 85) <A/T>.

AK300450

1 2 3 4 5 6

12

11

10

1516

14

13

9

7 8

CONNECTOR: C-29

AB

C-29 (B)

HARNESS CONNECTOR:
COMPONENT SIDE

AK300460

98

78

71

88

89

76

77

72
79
91

73
80

74

75

81
92

82

83

93

84

85

94

86

87

95

96

90

97

CONNECTOR: C-59 <A/T>

C-59 (GR)

AB

HARNESS CONNECTOR:
COMPONENT SIDE

AK300445

80

87

81

94

85

82

84

93

86

98

99

74

92

73

83

88

91

95

97 96

100

89

78

71

90

76

77

75

72
79

CONNECTOR: C-62 <M/T>

C-62 (GR)

AB

HARNESS CONNECTOR:
COMPONENT SIDE

 

 

 

 

 

 

 

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