Mitsubishi Eclipse. Manual — part 587
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-891
STEP 11. Check for short circuit to ground between
barometric pressure sensor connector B-14 (terminal No.
1) and ECM connector C-58 (terminal No. 42) <M/T> or PCM
connector C-55 (terminal No. 46) <A/T>.
Q: Is the harness wire in good condition?
YES : Replace the ECM or PCM. Then go to Step 18.
NO : Repair it. Then go to Step 18.
AK300078
3
4
5
1
2
6
7
CONNECTOR: B-14
AB
B-14 (B)
HARNESS
CONNECTOR:
COMPONENT SIDE
AK300462
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
CONNECTOR: C-55 <A/T>
C-55 (GR)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
AK300748
65
43
50
42
49
41
48
60
61
64
46
47
58
59
67
68
45
56
66
52 51
44
53
62
54
63
57
55
CONNECTOR: C-58 <M/T>
AB
C-58 (GR)
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-892
STEP 12. Check the ground voltage at barometric pressure
sensor connector B-14 by backprobing.
(1) Do not disconnect the connector B-14.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between terminal No. 5 and ground by
backprobing.
• Voltage should be 0.5 volt or less.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage 0.5 volt or less?
YES : Go to Step 15.
NO : Go to Step 13.
AK300078
3
4
5
1
2
6
7
CONNECTOR: B-14
AB
B-14 (B)
HARNESS
CONNECTOR:
COMPONENT SIDE
AKX01517
1 2 3 4 5 6 7
AG
B-14 HARNESS
CONNECTOR:
HARNESS SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-893
STEP 13. Check connector B-14 at the barometric pressure
sensor and connector C-51 at ECM <M/T> or connector
C-52 at PCM <A/T> for damage.
Q: Is the connector in good condition?
YES : Go to Step 14.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 18.
AK300078
3
4
5
1
2
6
7
CONNECTOR: B-14
AB
B-14 (B)
HARNESS
CONNECTOR:
COMPONENT SIDE
AK300443
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
CONNECTOR: C-51 <M/T>
C-51 (GR)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
AK300458
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
CONNECTOR: C-52 <A/T>
C-52 (GR)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-894
STEP 14. Check for harness damage between barometric
pressure sensor connector B-14 (terminal No. 5) and ECM
connector C-51 (terminal No. 34) <M/T> or PCM connector
C-52 (terminal No. 16) <A/T>.
Q: Is the harness wire in good condition?
YES : Replace the ECM or PCM. Then go to Step 18.
NO : Repair it. Then go to Step 18.
AK300078
3
4
5
1
2
6
7
CONNECTOR: B-14
AB
B-14 (B)
HARNESS
CONNECTOR:
COMPONENT SIDE
AK300443
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
CONNECTOR: C-51 <M/T>
C-51 (GR)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
AK300458
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
CONNECTOR: C-52 <A/T>
C-52 (GR)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
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