Mitsubishi Eclipse. Manual — part 421
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-227
STEP 10. Check for open circuit and harness damage
between right bank heated oxygen sensor (front)
connector B-27 (terminal No. 2) and ECM connector C-58
(terminal No. 49) <M/T> or PCM connector C-55 (terminal
No. 57) <A/T>.
Q: Is the harness wire in good condition?
YES : Replace the ECM or PCM. Then go to Step 15.
NO : Repair it. Then go to Step 15.
AK300409
1
2
3
4
RIGHT BANK
HEATED OXYGEN
SENSOR (FRONT)
AB
B-27 (B)
CONNECTOR: B-27
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
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-228
STEP 11. 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 12.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 15.
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
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-229
STEP 12. Check for harness damage between right bank
heated oxygen sensor (front) connector B-27 (terminal No.
2) and ECM connector C-58 (terminal No. 49) <M/T> or PCM
connector C-55 (terminal No. 57) <A/T>.
Q: Is the harness wire in good condition?
YES : Go to Step 13.
NO : Repair it. Then go to Step 15.
AK300409
1
2
3
4
RIGHT BANK
HEATED OXYGEN
SENSOR (FRONT)
AB
B-27 (B)
CONNECTOR: B-27
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
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-230
STEP 13. Check for short circuit to ground and harness
damage between right bank heated oxygen sensor (front)
connector B-27 (terminal No. 4) and ECM connector C-62
(terminal No. 72) <M/T> or PCM connector C-59 (terminal
No. 72) <A/T>.
Q: Is the harness wire in good condition?
YES : Go to Step 14.
NO : Repair it. Then go to Step 15.
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
AK300409
1
2
3
4
RIGHT BANK
HEATED OXYGEN
SENSOR (FRONT)
AB
B-27 (B)
CONNECTOR: B-27
HARNESS CONNECTOR:
COMPONENT SIDE
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