Mitsubishi Outlander (2003+). Manual — part 43
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MFI)
13A-35
STEP 6. Check harness between B-08 (terminal
No. 5) air flow sensor connector and C-135
(terminal No. 40) engine-ECU connector.
NOTE: Before checking harness, check intermediate
connector C-16, and repair if necessary.
Check earthing line for open circuit and damage.
Q: Is the check result normal?
YES :
Go to Step 7 .
NO :
Repair.
STEP 7. MUT-II data list
Refer to Data list reference table
a. Item 13: Intake air temperature sensor
OK: At ambient temperature (atmospheric
temperature) or equivalent.
Q: Is the check result normal?
YES :
Intermittent malfunction (Refer to GROUP
00
-
How to Use
Troubleshooting/Inspection Service Points
NO :
Replace engine-ECU.
STEP 8. Measure voltage at B-08 air flow sensor
connector.
Disconnect connector, and measure at harness
side.
Ignition switch: ON
Voltage between terminal No. 6 and earth.
OK: 4.5
-
4.9 V
Q: Is the check result normal?
YES :
Go to Step 13 .
NO :
Go to Step 9 .
AK300253
3
4
5
1
2
6
7
AB
Harness side connector
B-08 (B)
Connector: B-08
AK300256
34 33 32
36 35
37
42
45
31
39
38
46
40
41
43
44
AB
CONNECTOR: C-135
C-135
Harness side connector
AK300253
3
4
5
1
2
6
7
AB
Harness side connector
B-08 (B)
Connector: B-08
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MFI)
13A-36
STEP 9. Measure voltage at C-137 engine-ECU
connector.
Measure engine-ECU terminal voltage.
Disconnect B-08 air flow sensor connector.
Ignition switch: ON
Voltage between terminal No. 72 and earth.
OK: 4.5
-
4.9 V
Q: Is the check result normal?
YES :
Go to Step 10 .
NO :
Go to Step 11 .
STEP 10. Connector check: C-137 engine-ECU
connector
Q: Is the check result normal?
YES :
Check and repair harness between B-08
(terminal No. 6) air flow sensor connector
and C-137 (terminal No. 72) engine-ECU
connector.
Check output line for open circuit.
NO :
Repair.
AK300254
82
78
8180
89
90
91
92
79
87
71
74 73 72
76 75
77
85
88
83
84
86
AB
CONNECTOR: C-137
C-137
Harness side connector
AK300253
3
4
5
1
2
6
7
AB
Harness side connector
B-08 (B)
Connector: B-08
AK300254
82
78
8180
89
90
91
92
79
87
71
74 73 72
76 75
77
85
88
83
84
86
AB
CONNECTOR: C-137
C-137
Harness side connector
AK300253
3
4
5
1
2
6
7
AB
Harness side connector
B-08 (B)
Connector: B-08
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MFI)
13A-37
STEP 11. Connector check: C-137 engine-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 12 .
NO :
Repair.
STEP 12. Check harness between B-08 (terminal
No. 6) air flow sensor connector and C-137
(terminal No. 72) engine-ECU connector.
Check output line for short circuit.
Q: Is the check result normal?
YES :
Go to Step 7 .
NO :
Repair.
AK300254
82
78
8180
89
90
91
92
79
87
71
74 73 72
76 75
77
85
88
83
84
86
AB
CONNECTOR: C-137
C-137
Harness side connector
AK300253
3
4
5
1
2
6
7
AB
Harness side connector
B-08 (B)
Connector: B-08
AK300254
82
78
8180
89
90
91
92
79
87
71
74 73 72
76 75
77
85
88
83
84
86
AB
CONNECTOR: C-137
C-137
Harness side connector
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MFI)
13A-38
STEP 13. Measure voltage at B-08 air flow sensor
connector.
Use special tool test harness (MB991709) to con-
nect only terminal No. 5 and No. 6, and then
measure at pick-up harness.
Ignition switch: ON
Voltage between terminal No. 6 and earth.
OK:
Ambient temperature at
-
20
C: 3.8
-
4.4 V
Ambient temperature at 0
C: 3.2
-
3.8 V
Ambient temperature at 20
C: 2.3
-
2.9 V
Ambient temperature at 40
C: 1.5
-
2.1 V
Ambient temperature at 60
C: 0.8
-
1.4 V
Ambient temperature at 80
C: 0.4
-
1.0 V
Q: Is the check result normal?
YES :
Go to Step 7 .
NO :
Go to Step 14 .
STEP 14. Connector check: C-137 engine-ECU
connector
Q: Is the check result normal?
YES :
Go to Step 15 .
NO :
Repair.
STEP 15. Check harness between B-08 (terminal
No. 6) air flow sensor connector and C-137
(terminal No. 72) engine-ECU connector.
Check output line for damage.
Q: Is the check result normal?
YES :
Go to Step 16 .
NO :
Repair.
AK300253
3
4
5
1
2
6
7
AB
Harness side connector
B-08 (B)
Connector: B-08
AK300254
82
78
8180
89
90
91
92
79
87
71
74 73 72
76 75
77
85
88
83
84
86
AB
CONNECTOR: C-137
C-137
Harness side connector
AK300253
3
4
5
1
2
6
7
AB
Harness side connector
B-08 (B)
Connector: B-08
AK300254
82
78
8180
89
90
91
92
79
87
71
74 73 72
76 75
77
85
88
83
84
86
AB
CONNECTOR: C-137
C-137
Harness side connector
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