Mitsubishi Eclipse. Manual — part 556
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-767
DTC SET CONDITIONS
Logic Flow Chart
.
INDICATED FUEL LEVEL
CHANGE < 2L
ACCUMULATE FUEL CONSUMPTION
THROUGH FUEL INJECTORS.
ACCUMULATED FUEL
CONSUMPTION WILL NOT
RESET WHEN KEY-OFF/ON.
ACCUMULATED FUEL >= SPECIFIED
CONSUMPTION VALUE
START
END
NO
NO
NO
YES
YES
YES
MALFUNCTION
GOOD
MONITORING
CONDITIONS
RESET ACCUMULATE
FUEL CONSUMPTION.
AK301450
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-768
Check Conditions, Judgement Criteria
• When the fuel consumption calculated from the
operation time of the injector amounts to 20 litter,
the diversity of the amount of fuel in tank calcu-
lated from the fuel level sensor is 2 litter or less.
.
OBD-ll DRIVE CYCLE PATTERN
Refer to Diagnostic Function
− OBD-ll Drive Cycle −
Procedure 6
− Other Monitor
.
.
TROUBLESHOOTING HINTS (The most likely
causes for this code to be set are:)
• Fuel level sensor failed.
• Open or shorted fuel level sensor circuit, harness
damage, or connector damage.
• ECM failed. <M/T>
• PCM failed. <A/T>
DIAGNOSIS
STEP 1. Check fuel gauge.
Q: Is the fuel gauge functioning?
YES : Go to Step 3.
NO : Go to Step 2.
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-769
STEP 2. Check for short circuit to ground between fuel
level sensor connector D-17 (terminal No. 2) and ECM
connector C-62 (terminal No. 97) <M/T> or PCM connector
C-55 (terminal No. 60) <A/T>.
AK300446
1
2
3
4
5
D-17 (GR)
AB
CONNECTOR: D-17
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
AK300445
80
87
81
94
85
82
84
93
86
98
99
74
92
73
83
88
91
95
97 96
100
89
78
71
90
76
77
75
72
79
CONNECTOR: C-62 <M/T>
C-62 (GR)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L>
13B-770
NOTE: Check harness after checking intermediate connectors
C-90, and C-28. If intermediate connectors are damaged,
repair or replace them. Refer to GROUP 00E, Harness Con-
nector Inspection
. Then go to Step 6.
Q: Is the harness wire in good condition?
YES : Refer to GROUP 54A, Combination Meter
NO : Repair it. Then go to Step 6.
STEP 3. Check connector C-62 at ECM <M/T> or connector
C-55 at PCM <A/T> for damage.
Q: Is the connector in good condition?
YES : Go to Step 4.
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
AK300445
80
87
81
94
85
82
84
93
86
98
99
74
92
73
83
88
91
95
97 96
100
89
78
71
90
76
77
75
72
79
CONNECTOR: C-62 <M/T>
C-62 (GR)
AB
HARNESS CONNECTOR:
COMPONENT SIDE
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