Mitsubishi Eclipse. Manual — part 292
![](/vehicles/winoney/grold/thow/nllind.png)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-661
STEP 7. Measure the power supply voltage at ECM
connector C-53 <M/T> or PCM connector C-54 <A/T> by
backprobing.
(1) Do not disconnect the ECM connector C-53 <M/T> or PCM
connector C-54 <A/T>.
(2) Disconnect the power steering pressure switch connector
B-19.
(3) Turn the ignition switch to the "ON" position.
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
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
![](/vehicles/winoney/grold/thow/allong.png)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-662
(4) Measure the voltage between terminal No. 37 <M/T> or No.
52 <A/T> and ground by backprobing.
• Voltage should be between battery positive voltage.
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is battery positive voltage (approximately 12 volts)
present?
YES : Go to Step 8.
NO : Go to Step 9.
AK000308
3132 33 34 35 36 37 38
39 40 41 42 43 44 45 46
AI
<M/T>
C-53 HARNESS
CONNECTOR:
HARNESS SIDE
AK000309 AK
<A/T>
C-54 HARNESS
CONNECTOR:
HARNESS 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
![](/vehicles/winoney/grold/thow/ureses.png)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-663
STEP 8. Check connector C-53 at ECM <M/T> or connector
C-54 at PCM <A/T> for damage.
Q: Is the connector in good condition?
YES : Repair harness wire between power steering
pressure switch connector B-19 (terminal No. 1) and
ECM connector C-53 (terminal No. 37) <M/T> or PCM
connector C-54 (terminal No. 52) <A/T> because of
open circuit. Then go to Step 14.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 14.
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
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
![](/vehicles/winoney/grold/thow/jovendeandy.png)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L>
13A-664
STEP 9. Check connector C-53 at ECM <M/T> or connector
C-54 at PCM <A/T> for damage.
Q: Is the connector in good condition?
YES : Go to Step 10.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 14.
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
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
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