Mitsubishi Eclipse. Manual — part 184
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-229
STEP 12. Check for harness damage between heated
oxygen sensor (front) connector B-17 (terminal No. 2) and
ECM connector C-60 (terminal No. 92) <M/T> or PCM
connector C-54 (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.
AK300403
1
2
3
4
AB
B-17 (B)
HEATED OXYGEN
SENSOR (FRONT)
CONNECTOR: B-17
HARNESS
CONNECTOR:
COMPONENT SIDE
AK300415
82
78
8180
89
90
91
92
79
87
71
74 73 72
76 75
77
85
88
83
84
86
CONNECTOR: C-60 <M/T>
AB
C-60 (G)
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-230
STEP 13. Check for short circuit to ground and harness
damage between heated oxygen sensor (front) connector
B-17 (terminal No. 4) and ECM connector C-60 (terminal
No. 76) <M/T> or PCM connector C-57 (terminal No. 71)
<A/T>.
Q: Is the harness wire in good condition?
YES : Go to Step 14.
NO : Repair it. Then go to Step 15.
AK300412
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
C-54 (GR)
CONNECTOR: C-54 <A/T>
AB
HARNESS CONNECTOR:
COMPONENT SIDE
AK300403
1
2
3
4
AB
B-17 (B)
HEATED OXYGEN
SENSOR (FRONT)
CONNECTOR: B-17
HARNESS
CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-231
AK300415
82
78
8180
89
90
91
92
79
87
71
74 73 72
76 75
77
85
88
83
84
86
CONNECTOR: C-60 <M/T>
AB
C-60 (G)
HARNESS CONNECTOR:
COMPONENT SIDE
AK300735
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-57 <A/T>
C-57 (GR)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-232
STEP 14. Check the heated oxygen sensor (front).
(1) Disconnect the heated oxygen sensor (front) connector
B-17 and connect test harness special tool, MD998464, to
the connector on the heated oxygen sensor (front) side.
(2) Warm-up the engine until engine coolant 80
°C (176°F) or
higher.
CAUTION
Be very careful when connecting the jumper wires; incor-
rect connection can damage the heated oxygen sensor
(front).
(3) Use the jumper wires to connect terminal No. 1 (red clip) to
the positive battery terminal and terminal No. 3 (blue clip) to
the negative battery terminal.
(4) Connect a digital volt meter between terminal No. 2 (black
clip) and terminal No. 4 (white clip).
(5) While repeatedly revving the engine, measure the heated
oxygen sensor (front) output voltage.
Standard value: 0.6
− 1.0 volt
Q: Is the voltage between 0.6 and 1.0 volt?
YES : Replace the ECM or PCM. Then go to Step 15.
NO : Replace the heated oxygen sensor (front). Then go to
Step 15.
STEP 15. 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 P0130 set?
YES : Retry the troubleshooting.
NO : The inspection is complete.
AK300403
1
2
3
4
AB
B-17 (B)
HEATED OXYGEN
SENSOR (FRONT)
CONNECTOR: B-17
HARNESS
CONNECTOR:
COMPONENT SIDE
AKX01625AC
BLUE
RED
BLACK
JUMPER
WIRES
WHITE
MD998464
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