Mitsubishi Colt Ralliart. Manual — part 66
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MPI) <4A9>
13A-218
STEP 3. Connector check: A-08 engine-ECU
connector or engine-CVT-ECU connector
Q: Is the check result normal?
YES :
Go to Step 4 .
NO :
Repair or replace the connector.
STEP 4. Check harness between B-26 (terminal
No. 2) accelerator pedal position sensor
connector and A-08 (terminal No. 84) engine-ECU
connector or engine-CVT-ECU connector.
• Check earthing line for damage.
Q: Is the check result normal?
YES :
Go to Step 5 .
NO :
Repair the damaged harness wire.
STEP 5. M.U.T.-III diagnosis code.
• Reconfirmation of diagnosis code.
Q: Is the diagnosis code set?
YES :
Replace the engine-ECU <M/T> or
engine-CVT-ECU <CVT>.
NO :
Intermittent malfunction (Refer to GROUP
00
− How to Use
Troubleshooting/Inspection Service Points
−
How to Cope with Intermittent Malfunctions
).
AK402725
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78
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82
83
84
92
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99
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86
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103
104
105
106
115
116
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120
121
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109
110
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112
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114
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131
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133
134
135
136
122
123
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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>
AK203205
1
6 5 4 3 2
AD
Connector: B-26
B-26 (B)
B-26 Harness side
connector
AK402725
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78
79
80
81
82
83
84
92
93
94
95
96
97
98
99
85
86
87
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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>
Main
Index
Group
TOC
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MPI) <4A9>
13A-219
STEP 6. Perform resistance measurement at B-26
accelerator pedal position sensor connector.
• Disconnect connector, and measure at harness
side.
• Resistance between terminal No. 5 and earth.
OK: Continuity (2
Ω or less)
Q: Is the check result normal?
YES :
Go to Step 9 .
NO :
Go to Step 7 .
STEP 7. Connector check: A-08 engine-ECU
connector or engine-CVT-ECU connector
Q: Is the check result normal?
YES :
Go to Step 8 .
NO :
Repair or replace the connector.
STEP 8. Check harness between B-26 (terminal
No. 5) accelerator pedal position sensor
connector and A-08 (terminal No. 87) engine-ECU
connector or engine-CVT-ECU connector.
• Check earthing line for damage.
Q: Is the check result normal?
YES :
Go to Step 5 .
NO :
Repair the damaged harness wire.
AK203205
1
6 5 4 3 2
AD
Connector: B-26
B-26 (B)
B-26 Harness side
connector
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>
AK203205
1
6 5 4 3 2
AD
Connector: B-26
B-26 (B)
B-26 Harness side
connector
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>
Main
Index
Group
TOC
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MPI) <4A9>
13A-220
STEP 9. Connector check: A-08 engine-ECU
connector or engine-CVT-ECU connector
Q: Is the check result normal?
YES :
Go to Step 10 .
NO :
Repair or replace the connector.
STEP 10. Check harness between B-26 (terminal
No. 4) accelerator pedal position sensor
connector and A-08 (terminal No. 86) engine-ECU
connector or engine-CVT-ECU connector.
• Check power supply line for damage.
Q: Is the check result normal?
YES :
Go to Step 11 .
NO :
Repair the damaged harness wire.
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>
AK203205
1
6 5 4 3 2
AD
Connector: B-26
B-26 (B)
B-26 Harness side
connector
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>
Main
Index
Group
TOC
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MPI) <4A9>
13A-221
STEP 11. Check harness between B-26 (terminal
No. 1) accelerator pedal position sensor
connector and A-08 (terminal No. 85) engine-ECU
connector or engine-CVT-ECU connector.
• Check power supply line for damage.
Q: Is the check result normal?
YES :
Go to Step 12 .
NO :
Repair the damaged harness wire.
STEP 12. Check harness between B-26 (terminal
No. 3) accelerator pedal position sensor
connector and A-08 (terminal No. 83) engine-ECU
connector or engine-CVT-ECU connector.
• Check output line for damage.
Q: Is the check result normal?
YES :
Go to Step 13 .
NO :
Repair the damaged harness wire.
AK203205
1
6 5 4 3 2
AD
Connector: B-26
B-26 (B)
B-26 Harness side
connector
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>
AK203205
1
6 5 4 3 2
AD
Connector: B-26
B-26 (B)
B-26 Harness side
connector
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>
Main
Index
Group
TOC
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