Mitsubishi Eclipse. Manual — part 465
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-403
STEP 7. Check connector B-23 at left bank heated oxygen
sensor (rear) for damage.
Q: Is the connector in good condition?
YES : Go to Step 8.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 15.
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
AK300410
1
2
3
4
LEFT BANK
HEATED OXYGEN
SENSOR (REAR)
CONNECTOR: B-23
AB
B-23 (GR)
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-404
STEP 8. Check the continuity at left bank heated oxygen
sensor (rear) harness side connector B-23.
(1) Disconnect the connector B-23 and measure at the harness
side.
(2) Check for the continuity between terminal No. 2 and
ground.
• Should be less than 2 ohms.
Q: Is the continuity normal?
YES : Go to Step 11.
NO : Go to Step 9.
AK300410
1
2
3
4
LEFT BANK
HEATED OXYGEN
SENSOR (REAR)
CONNECTOR: B-23
AB
B-23 (GR)
HARNESS CONNECTOR:
COMPONENT SIDE
AK000243 AL
B-23 HERNESS
CONNECTOR:
COMPONENT SIDE
2 1
4 3
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-405
STEP 9. Check connector C-58 at ECM <M/T> or connector
C-55 at PCM <A/T> for damage.
Q: Is the connector in good condition?
YES : Go to Step 10.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 15.
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-406
STEP 10. Check for open circuit and harness damage
between left bank heated oxygen sensor (rear) connector
B-23 (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.
AK300410
1
2
3
4
LEFT BANK
HEATED OXYGEN
SENSOR (REAR)
CONNECTOR: B-23
AB
B-23 (GR)
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
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