Mitsubishi Eclipse. Manual — part 338
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-845
STEP 6. Measure the backup power supply voltage at ECM
harness side connector C-60 <M/T> or PCM harness side
connector C-54 <A/T>.
(1) Disconnect the connector C-60 <M/T> or C-54 <A/T> and
measure at the harness 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-846
(2) Measure the voltage between terminal No. 80 <M/T> or No.
66 <A/T> and ground.
• Voltage should be battery positive voltage.
Q: Is the voltage normal?
YES : Go to Step 7.
NO : Check harness connector C-07 at intermediate
connector for damage, and repair or replace as
required. Refer to, GROUP 00E, Harness Connector
Inspection
. If intermediate connectors are in
good condition, repair harness wire between relay
box (9) and ECM connector C-60 (terminal No. 80)
<M/T> or PCM connector C-54 (terminal No. 66)
<A/T> because of open circuit. Then confirm that the
malfunction symptom is eliminated.
AK000403 AK
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
<M/T>
C-60 HARNESS
CONNECTOR:
COMPONENT SIDE
AKX01436
46 45 44
57 56 55
66 65 64
54 53 52 51 50 49 48 47
43 42 41
63 62 61 60
59 58
C-54 HARNESS
CONNECTOR:
COMPONENT SIDE
<A/T>
AY
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-847
STEP 7. Check the continuity at ECM harness side
connector C-49 <M/T> or PCM harness side connector
C-54 <A/T>.
(1) Disconnect the connector C-49 <M/T> or C-54 <A/T> and
measure at the harness side.
AK300413
1
14
4
19
5
22
6
17
8
15
9
18
7
20
16
2
21
23
26
24
25
3
10
11
12
13
CONNECTOR: C-49 <M/T>
C-49 (G)
AB
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-848
(2) Check for the continuity between terminal (No. 13, No. 26)
<M/T> or (No. 42, No. 48) <A/T> and ground.
• Should be less than 2 ohms.
Q: Is the continuity normal?
YES : Go to Step 8.
NO : Repair harness wire between ECM connector C-49
(terminal No. 13, No. 26) <M/T> or PCM connector
C-54 (terminal No. 42, No. 48) <A/T> and ground
because of open circuit. Then confirm that the
malfunction symptom is eliminated.
AK000404AJ
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
<M/T>
C-49 HARNESS
CONNECTOR:
COMPONENT SIDE
AKX01437
<A/T>
C-54 HARNESS
CONNECTOR:
COMPONENT SIDE
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
AR
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