Mitsubishi Eclipse. Manual — part 139
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-49
STEP 8. Check for short circuit to ground between volume
airflow sensor connector B-14 (terminal No. 3) and ECM
connector C-60 (terminal No. 90) <M/T> or PCM connector
C-54 (terminal No. 65) <A/T>.
Q: Is the harness wire in good condition?
YES : Replace the ECM or PCM. Then go to Step 13.
NO : Repair it. Then go to Step 13.
AK300078
3
4
5
1
2
6
7
CONNECTOR: B-14
AB
B-14 (B)
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
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
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-50
STEP 9. Check the continuity at volume airflow sensor
harness side connector B-14.
(1) Disconnect the connector B-14 and measure at the harness
side.
(2) Check for the continuity between terminal No. 5 and
ground.
• Should be less than 2 ohms.
Q: Is the continuity normal?
YES : Go to Step 12.
NO : Go to Step 10.
STEP 10. Check connector C-53 at ECM <M/T> or
connector C-50 at PCM <A/T> for damage.
Q: Is the connector in good condition?
YES : Go to Step 11.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 13.
AKX01409AI
7 6 5 4 3 2 1
B-14 HARNESS
CONNECTOR:
COMPONENT SIDE
AK300417
34 33 32
36 35
37
42
45
31
39
38
46
40
41
43
44
CONNECTOR: C-53 <M/T>
C-53 (G)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
AK300414
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
20
30
21
22
23
24
25
26
27
28
29
31
32
33
34
35
1
10
C-50 (GR)
CONNECTOR: C-50 <A/T>
AB
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-51
STEP 11. Check for open circuit and harness damage
between volume airflow sensor connector B-14 (terminal
No. 5) and ECM connector C-53 (terminal No. 40) <M/T> or
PCM connector C-50 (terminal No. 16) <A/T>.
Q: Is the harness wire in good condition?
YES : Replace the ECM or PCM. Then go to Step 13.
NO : Repair it. Then go to Step 13.
AK300078
3
4
5
1
2
6
7
CONNECTOR: B-14
AB
B-14 (B)
HARNESS
CONNECTOR:
COMPONENT SIDE
AK300417
34 33 32
36 35
37
42
45
31
39
38
46
40
41
43
44
CONNECTOR: C-53 <M/T>
C-53 (G)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
AK300414
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
20
30
21
22
23
24
25
26
27
28
29
31
32
33
34
35
1
10
C-50 (GR)
CONNECTOR: C-50 <A/T>
AB
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-52
STEP 12. Check connector C-53 at ECM <M/T> or
connector C-50 at PCM <A/T> for damage.
Q: Is the connector in good condition?
YES : Replace the volume airflow sensor. Then go to Step
13.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 13.
STEP 13. 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 P0102 set?
YES : Retry the troubleshooting.
NO : The inspection is complete.
AK300417
34 33 32
36 35
37
42
45
31
39
38
46
40
41
43
44
CONNECTOR: C-53 <M/T>
C-53 (G)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
AK300414
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
20
30
21
22
23
24
25
26
27
28
29
31
32
33
34
35
1
10
C-50 (GR)
CONNECTOR: C-50 <A/T>
AB
HARNESS CONNECTOR:
COMPONENT SIDE
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