Mitsubishi Eclipse. Manual — part 379
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-59
STEP 3. Measure the sensor supply voltage at ECM
connector C-58 <M/T> or PCM connector C-55 <A/T> by
backprobing.
(1) Do not disconnect the connector C-58 <M/T> or C-55
<A/T>.
(2) Turn the ignition switch to the "ON" position.
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-60
(3) Measure the voltage between terminal No. 42 <M/T> or No.
46 <A/T> and ground.
• Voltage should be between 4.8 and 5.2 volts.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage between 4.8 and 5.2 volts?
YES : Go to Step 4.
NO : Go to Step 5.
AK300866
AK
41424344
48
50 51
49
52 5354555657 58 59
45 46 47
60 61
626364
65
67 68
66
AB
<M/T>
C-58 HARNESS
CONNECTOR:
HARNESS SIDE
AK300865
41424344
48
50 51
49
52 5354555657 58 59
45 46 47
60 61
626364
65
67 68
66
AB
<A/T>
C-55 HARNESS
CONNECTOR:
HARNESS SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-61
STEP 4. Check connector B-04 at the manifold absolute
pressure sensor and connector C-58 at ECM <M/T> or C-55
at PCM <A/T> for damage.
Q: Is the connector in good condition?
YES : Repair harness wire between manifold absolute
pressure sensor connector B-04 (terminal No. 3) and
ECM connector C-58 (terminal No. 42) or PCM
connector C-55 (terminal No. 46) because of harness
damage. Then go to Step 12.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 12.
AK103763
2 1
3
CONNECTOR: B-04
AC
B-04(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-62
STEP 5. Check connector B-04 at the manifold absolute
pressure sensor and connector C-58 at ECM <M/T> or C-55
at PCM <A/T> for damage.
Q: Is the connector in good condition?
YES : Replace the ECM or PCM. Then go to Step 12.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 12.
AK103763
2 1
3
CONNECTOR: B-04
AC
B-04(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
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