Mitsubishi Eclipse. Manual — part 580
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-863
(2) Measure the voltage between terminal 60 <M/T> or 66
<A/T> and ground.
• Voltage should be battery positive voltage.
Q: Is battery positive voltage (approximately 12 volts)
present?
YES : Go to Step 4.
NO : Check connectors C-07 at intermediate connector for
damage, and repair or replace as required. Refer to
GROUP 00E, Harness Connector Inspection
. If intermediate connector are in good
condition, repair harness wire between battery and
ECM connector C-58 <M/T> (terminal No. 60) or PCM
connector C-55 <A/T> (terminal No. 66) because of
open circuit or short circuit to ground. Then go to Step
6.
AK000374AG
47 46 45
41
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49
50
51
52
53
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55
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58
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60
61
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64
65
66
67
68
<M/T>
C-58 HARNESS
CONNECTOR:
COMPONENT SIDE
AKX01436
41
42
43
44
45
46
57 56 55 54 53 52
48 47
58
59
60
61
62
66 65 64
63
51 50 49
C-55 HARNESS
CONNECTOR:
COMPONENT SIDE
AW
<A/T>
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-864
STEP 4. Check connector C-58 at ECM <M/T> or connector
C-55 at PCM <A/T> for damage.
Q: Is the harness connector in good condition?
YES : Check connectors C-07 at intermediate connector for
damage, and repair or replace as required. Refer to
GROUP 00E, Harness Connector Inspection
. If intermediate connector are in good
condition, repair harness wire between battery and
ECM connector C-58 <M/T> (terminal No. 60) or PCM
connector C-55 <A/T> (terminal No. 66) because of
harness damage. Then go to Step 6.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 6.
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-865
STEP 5. Check connector C-58 at ECM <M/T> or connector
C-55 at PCM <A/T> for damage.
Q: Is the harness connector in good condition?
YES : Replace the ECM or PCM. Then go to Step 6.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 6.
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-866
STEP 6. Using scan tool MB991958, read the diagnostic
trouble code (DTC).
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Read the DTC.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is DTC P1603 set?
YES : Retry the troubleshooting.
NO : The inspection is complete.
AK300810
AB
MB991911
16-PIN
MB991827
MB991824
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