Mitsubishi Eclipse. Manual — part 337
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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-841
STEP 3. Measure the power supply voltage at MFI relay
harness side connector A-18X.
(1) Disconnect the connector A-18X and measure at the
harness side.
(2) Measure the voltage between terminal No. 1, No. 2 and
ground.
• Voltage should be battery positive voltage.
Q: Is battery positive voltage (approximately 12 volts)
present?
YES : Go to Step 4.
NO : Check harness connector C-07 at intermediate
connector for damage, and repair or replace as
required. Refer to, GROUP 00E, Harness Connector
Inspection
. If intermediate connector is in
good condition, repair harness wire between relay
box (9) and MFI relay connector A-18X (terminal No.
1, No. 2) because of open circuit. Then confirm that
the malfunction symptom is eliminated.
AK300454
2
1
3
4
CONNECTOR: A-18X
AB
A-18X
HARNESS CONNECTOR:
COMPONENT SIDE
2
1
3
4
AK203258
B-18X HARNESS
CONNECTOR:
COMPONENT SIDE
AC
![](/vehicles/winoney/grold/thow/erilelouter.png)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-842
STEP 4. Check connector C-60 at ECM <M/T> or connector
C-57 at PCM <A/T> for damage.
Q: Is the connector in good condition?
YES : Go to Step 5.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then confirm that the
malfunction symptom is eliminated.
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
![](/vehicles/winoney/grold/thow/rine.png)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-843
STEP 5. Measure the ignition switch-IG signal voltage at
ECM harness side connector C-60 <M/T> or PCM harness
side connector C-57 <A/T>.
(1) Disconnect the connector C-60 <M/T> or C-57 <A/T> and
measure at the harness side.
(2) Turn the ignition switch to the "ON" position.
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
![](/vehicles/winoney/grold/thow/juche.png)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-844
(3) Measure the voltage between terminal No. 82 <M/T> or No.
98 <A/T> and ground.
• Voltage should be battery positive voltage.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is battery positive voltage (approximately 12 volts)
present?
YES : Go to Step 6.
NO : Check harness connector C-07, C-89, C-111 and
C-112 at intermediate connector for damage, and
repair or replace as required. Refer to, GROUP 00E,
Harness Connector Inspection
. If
intermediate connectors are in good condition, repair
harness wire between ignition switch connector C-87
(terminal No. 2) and ECM connector C-60 (terminal
No. 82) <M/T> or PCM connector C-57 (terminal No.
98) <A/T> because of open circuit. Then confirm that
the malfunction symptom is eliminated.
AK000402 AI
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
<M/T>
C-60 HARNESS
CONNECTOR:
COMPONENT SIDE
AKX01435
77 76
89 88
98
75
87
97
86
96
85
95
84
82
83
94 93
81
92
80
74 73 72 71
79 78
91 90
AN
<A/T>
C-57 HARNESS
CONNECTOR:
COMPONENT SIDE
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