Mitsubishi Colt Ralliart. Manual — part 86
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MPI) <4A9>
13A-298
STEP 21. Check harness between B-141 (terminal
No. 2) ignition switch connector and B-103
(terminal No. 1) fuel pump relay (2) connector.
NOTE: Before checking harness, check intermediate
connector B-129, and repair if necessary.
• Check power supply line for damage.
Q: Is the check result normal?
YES :
Go to Step 22 .
NO :
Repair the damaged harness wire.
STEP 22. Connector check: A-08 engine-ECU
connector or engine-CVT-ECU connector
AK402054
B-141
AC
Connector: B-141
1
2
3
4
5
6
B-141 Harness
side connector
AK402063
3
2
1
4
AC
B-103
J/B side
connector
Connector: B-103
J/B (front side)
B-103
AK402725
77
78
79
80
81
82
83
84
92
93
94
95
96
97
98
99
85
86
87
88
89
90
91
100
101
102
103
104
105
106
115
116
117
118
119
120
121
107
108
109
110
111
112
113
114
130
131
132
133
134
135
136
122
123
124
125
126
127
128
129
72 71
74 73
76 75
R
AG
A-08
Connector:
A-08
Harness side connector
Battery
Engine-ECU <M/T> or
engine-CVT-ECU <CVT>
AK402063
3
2
1
4
AC
B-103
J/B side
connector
Connector: B-103
J/B (front side)
B-103
Main
Index
Group
TOC
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MPI) <4A9>
13A-299
Q: Is the check result normal?
YES :
Check intermediate connector B-110, and
repair if necessary. If intermediate
connector is normal, check and repair
harness between A-08 (terminal No. 110)
engine-ECU connector or engine-CVT-ECU
connector and B-103 (terminal No. 2) fuel
pump relay (2) connector.
• Check earthing line for damage.
NO :
Repair or replace the connector.
STEP 23. Connector check: B-141 ignition switch
connector
Q: Is the check result normal?
YES :
Go to Step 22 .
NO :
Repair or replace the connector.
STEP 24. Check harness between B-141 (terminal
No. 2) ignition switch connector and B-117
(terminal No. 1) fuel pump relay (1) connector.
NOTE: Before checking harness, check intermediate
connector B-129, and repair if necessary.
• Check power supply line for damage.
Q: Is the check result normal?
YES :
Go to Step 25 .
NO :
Repair the damaged harness wire.
AK402054
B-141
AC
Connector: B-141
1
2
3
4
5
6
B-141 Harness
side connector
AK402054
B-141
AC
Connector: B-141
1
2
3
4
5
6
B-141 Harness
side connector
AK402062
3
2
1
4
AC
B-117
J/B side
connector
Connector: B-117
J/B (front side)
B-117
Main
Index
Group
TOC
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MPI) <4A9>
13A-300
STEP 25. Check harness between battery and
B-117 (terminal No. 3) fuel pump relay (1)
connector.
NOTE: Before checking harness, check intermediate
connector B-108, and repair if necessary.
• Check power supply line for damage.
Q: Is the check result normal?
YES :
Go to Step 26 .
NO :
Repair the damaged harness wire.
STEP 26. Check harness between B-117 (terminal
No. 4) fuel pump relay (1) connector and B-103
(terminal No. 3) fuel pump relay (2) connector.
• Check power supply line for damage.
Q: Is the check result normal?
YES :
Go to Step 27 .
NO :
Repair the damaged harness wire.
AK402062
3
2
1
4
AC
B-117
J/B side
connector
Connector: B-117
J/B (front side)
B-117
AK402061
3
2
1
4
AC
B-103, B-117
J/B side
connector
Connector: B-103, B-117
J/B (front side)
B-117
B-103
Main
Index
Group
TOC
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MPI) <4A9>
13A-301
STEP 27. Check harness between B-103 (terminal
No. 4) fuel pump relay (2) connector and C-16
(terminal No. 5) fuel pump connector.
NOTE: Before checking harness, check intermediate
connectors B-128, and repair if necessary.
• Check output line for damage.
Q: Is the check result normal?
YES :
Go to Step 28 .
NO :
Repair the damaged harness wire.
STEP 28. Check harness between C-16 (terminal
No. 4) fuel pump connector and body earth.
• Check earthing line for damage.
Q: Is the check result normal?
YES :
Replace fuel pump.
NO :
Repair the damaged harness wire.
AK402063
3
2
1
4
AC
B-103
J/B side
connector
Connector: B-103
J/B (front side)
B-103
AK402064
1
2
3
4
5
AC
Connector: C-16
C-16
C-16 Harness side
connector
AK402064
1
2
3
4
5
AC
Connector: C-16
C-16
C-16 Harness side
connector
Main
Index
Group
TOC
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