Mitsubishi Eclipse. Manual — part 433
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-275
STEP 9. Check for harness damage between MFI relay
connector A-18X (terminal No. 4) and right bank heated
oxygen sensor (front) connector B-27 (terminal No. 1).
Q: Is the harness wire in good condition?
YES : Go to Step 10.
NO : Repair it. Then go to Step 12.
AK300454
2
1
3
4
CONNECTOR: A-18X
AB
A-18X
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
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-276
STEP 10. Check for harness damage between right bank
heated oxygen sensor (front) connector B-27 (terminal No.
3) and ECM connector C-51 (terminal No. 4) <M/T> or PCM
connector C-52 (terminal No. 4) <A/T>.
Q: Is the harness wire in good condition?
YES : Go to Step 11.
NO : Repair it. Then go to Step 12.
AK300409
1
2
3
4
RIGHT BANK
HEATED OXYGEN
SENSOR (FRONT)
AB
B-27 (B)
CONNECTOR: B-27
HARNESS CONNECTOR:
COMPONENT SIDE
AK300458
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
20
30
21
22
23
24
25
26
27
28
29
31
32
33
34
35
1
10
CONNECTOR: C-52 <A/T>
C-52 (GR)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-277
STEP 11. Check the trouble symptoms.
(1) Carry out a test drive with the drive cycle pattern. Refer to
Diagnostic Function
− OBD-II Drive Cycle − Procedure 6 −
Other Monitor
(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0135 set?
YES : Replace the ECM or PCM. Then go to Step 12.
NO : It can be assumed that this malfunction is intermittent.
Refer to GROUP 00, How to Use Troubleshooting/
Inspection Service Points
STEP 12. 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
(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0135 set?
YES : Retry the troubleshooting.
NO : The inspection is complete.
AK300443
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
20
30
21
22
23
24
25
26
27
28
29
31
32
33
34
35
1
10
CONNECTOR: C-51 <M/T>
C-51 (GR)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-278
DTC P0136: Heated Oxygen Sensor Circuit (bank 1, sensor 2)
AK103015
BLA
CK
BLA
CK
PINK
BLUE
3 4
1 2
FROM MFI RELAY
RIGHT BANK HEATED
OXYGEN SENSOR (REAR)
TO ECM
OR PCM
74<M/T>*2
74<A/T>*4
49<M/T>*1
57<A/T>*3
1
3
2
4
B-28
MU802665
NOTE
*1: ECM connector C-58 <M/T>
*2: ECM connector C-62 <M/T>
*3: PCM connector C-55 <A/T>
*4: PCM connector C-59 <A/T>
ENGINE CONTROL
MODULE (ECM) <M/T>
OR
POWERTRAIN CONTROL
MODULE (PCM) <A/T>
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
C-58 <M/T>
(MU803782)
C-55 <A/T>
(MU803781)
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
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)
Right Bank Heated Oxygen Sensor (rear) Circuit
S142
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